Lyxor ETF Commodities Thomson Reuters/Jefferies CRB TR: Unit HKD
| Exchange | Code | Listed | Last trade | Delisted | |
|---|---|---|---|---|---|
| HKCIS | 02809 | 2007-04-26 | 2012-03-07 | 2012-03-13 |
Historic prices
Note: Hit the "total return" button above for a graph. Adj are adjusted prices and volume used in Webb-site Total Returns. VWAP is Volume-Weighted Average Price, which in thinly-traded stocks is probably a better guide to achievable prices on the day than the closing price, which is sometimes rigged. S=1 if suspended. Hit the trade date to see CCASS movements on the settlement date.
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| Trade date | S | Close | Bid | Ask | Low | High | Volume | Turnover $ | VWAP | Adj Close |
Adj Bid |
Adj Ask |
Adj Low |
Adj High |
Adj Volume |
Adj VWAP |
Total Return |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2012-03-12 | 1 | - | - | - | - | - | 0 | 0 | - | 23.00 | - | - | - | - | 0 | - | 0.00% |
| 2012-03-09 | 1 | - | - | - | - | - | 0 | 0 | - | 23.00 | - | - | - | - | 0 | - | 0.00% |
| 2012-03-08 | 1 | - | - | - | - | - | 0 | 0 | - | 23.00 | - | - | - | - | 0 | - | 0.00% |
| 2012-03-07 | 0 | 23.00 | 23.00 | 23.05 | 22.95 | 23.15 | 263,500 | 6,074,775 | 23.054 | 23.00 | 23.00 | 23.05 | 22.95 | 23.15 | 263,500 | 23.054 | -1.08% |
| 2012-03-06 | 0 | 23.25 | 23.25 | 23.45 | 23.20 | 23.40 | 315,795 | 7,355,689 | 23.293 | 23.25 | 23.25 | 23.45 | 23.20 | 23.40 | 315,795 | 23.293 | -0.64% |
| 2012-03-05 | 0 | 23.40 | 23.40 | 23.60 | 22.70 | 23.55 | 356,115 | 8,351,695 | 23.452 | 23.40 | 23.40 | 23.60 | 22.70 | 23.55 | 356,115 | 23.452 | -0.64% |
| 2012-03-02 | 0 | 23.55 | 23.50 | 23.60 | 23.20 | 23.75 | 262,250 | 6,187,116 | 23.592 | 23.55 | 23.50 | 23.60 | 23.20 | 23.75 | 262,250 | 23.592 | -0.21% |
| 2012-03-01 | 0 | 23.60 | 23.60 | 23.65 | 23.50 | 23.70 | 147,250 | 3,484,525 | 23.664 | 23.60 | 23.60 | 23.65 | 23.50 | 23.70 | 147,250 | 23.664 | -0.63% |
| 2012-02-29 | 0 | 23.75 | 23.75 | 23.80 | 23.75 | 23.85 | 249,800 | 5,935,390 | 23.761 | 23.75 | 23.75 | 23.80 | 23.75 | 23.85 | 249,800 | 23.761 | -0.63% |
| 2012-02-28 | 0 | 23.90 | 23.85 | 23.90 | 23.80 | 23.90 | 60,121 | 1,433,829 | 23.849 | 23.90 | 23.85 | 23.90 | 23.80 | 23.90 | 60,121 | 23.849 | 0.21% |
| 2012-02-27 | 0 | 23.85 | 23.85 | 23.90 | 23.75 | 23.95 | 110,000 | 2,626,937 | 23.881 | 23.85 | 23.85 | 23.90 | 23.75 | 23.95 | 110,000 | 23.881 | 0.21% |
| 2012-02-24 | 0 | 23.80 | 23.75 | 23.85 | 22.50 | 23.80 | 90,500 | 2,142,587 | 23.675 | 23.80 | 23.75 | 23.85 | 22.50 | 23.80 | 90,500 | 23.675 | 0.42% |
| 2012-02-23 | 0 | 23.70 | 23.65 | 23.75 | 23.60 | 23.70 | 123,160 | 2,914,077 | 23.661 | 23.70 | 23.65 | 23.75 | 23.60 | 23.70 | 123,160 | 23.661 | 0.21% |
| 2012-02-22 | 0 | 23.65 | 23.60 | 23.70 | 23.40 | 23.70 | 213,750 | 5,041,200 | 23.585 | 23.65 | 23.60 | 23.70 | 23.40 | 23.70 | 213,750 | 23.585 | 0.85% |
| 2012-02-21 | 0 | 23.45 | 23.45 | 23.50 | 23.20 | 23.45 | 159,000 | 3,722,050 | 23.409 | 23.45 | 23.45 | 23.50 | 23.20 | 23.45 | 159,000 | 23.409 | 0.64% |
| 2012-02-20 | 0 | 23.30 | 23.25 | 23.35 | 22.90 | 23.35 | 76,450 | 1,781,670 | 23.305 | 23.30 | 23.25 | 23.35 | 22.90 | 23.35 | 76,450 | 23.305 | -0.21% |
| 2012-02-17 | 0 | 23.35 | 23.35 | 23.40 | 23.05 | 23.35 | 177,750 | 4,139,124 | 23.286 | 23.35 | 23.35 | 23.40 | 23.05 | 23.35 | 177,750 | 23.286 | 1.30% |
| 2012-02-16 | 0 | 23.05 | 23.05 | 23.10 | 22.65 | 23.15 | 95,750 | 2,206,037 | 23.040 | 23.05 | 23.05 | 23.10 | 22.65 | 23.15 | 95,750 | 23.040 | -0.65% |
| 2012-02-15 | 0 | 23.20 | 23.20 | 23.25 | 23.05 | 23.20 | 94,750 | 2,192,300 | 23.138 | 23.20 | 23.20 | 23.25 | 23.05 | 23.20 | 94,750 | 23.138 | 0.65% |
| 2012-02-14 | 0 | 23.05 | 23.05 | 23.10 | 23.00 | 23.10 | 70,000 | 1,612,262 | 23.032 | 23.05 | 23.05 | 23.10 | 23.00 | 23.10 | 70,000 | 23.032 | 0.22% |
| 2012-02-13 | 0 | 23.00 | 23.00 | 23.10 | 22.85 | 23.10 | 39,000 | 896,950 | 22.999 | 23.00 | 23.00 | 23.10 | 22.85 | 23.10 | 39,000 | 22.999 | -0.43% |
| 2012-02-10 | 0 | 23.10 | 23.00 | 23.10 | 23.00 | 23.15 | 40,500 | 935,575 | 23.101 | 23.10 | 23.00 | 23.10 | 23.00 | 23.15 | 40,500 | 23.101 | -0.22% |
| 2012-02-09 | 0 | 23.15 | 23.15 | 23.20 | 23.10 | 23.20 | 33,000 | 763,162 | 23.126 | 23.15 | 23.15 | 23.20 | 23.10 | 23.20 | 33,000 | 23.126 | -0.64% |
| 2012-02-08 | 0 | 23.30 | 23.15 | 23.30 | 23.00 | 23.30 | 124,250 | 2,877,312 | 23.157 | 23.30 | 23.15 | 23.30 | 23.00 | 23.30 | 124,250 | 23.157 | 1.08% |
| 2012-02-07 | 0 | 23.05 | 23.00 | 23.10 | 23.00 | 23.10 | 60,500 | 1,395,225 | 23.062 | 23.05 | 23.00 | 23.10 | 23.00 | 23.10 | 60,500 | 23.062 | 0.22% |
| 2012-02-06 | 0 | 23.00 | 23.00 | 23.05 | 22.75 | 23.10 | 65,000 | 1,492,800 | 22.966 | 23.00 | 23.00 | 23.05 | 22.75 | 23.10 | 65,000 | 22.966 | 1.10% |
| 2012-02-03 | 0 | 22.75 | 22.75 | 22.85 | 22.75 | 22.85 | 108,250 | 2,470,587 | 22.823 | 22.75 | 22.75 | 22.85 | 22.75 | 22.85 | 108,250 | 22.823 | -0.66% |
| 2012-02-02 | 0 | 22.90 | 22.85 | 23.00 | 22.85 | 22.90 | 25,000 | 571,862 | 22.874 | 22.90 | 22.85 | 23.00 | 22.85 | 22.90 | 25,000 | 22.874 | -0.22% |
| 2012-02-01 | 0 | 22.95 | 22.95 | 23.05 | 22.90 | 23.10 | 72,500 | 1,663,637 | 22.947 | 22.95 | 22.95 | 23.05 | 22.90 | 23.10 | 72,500 | 22.947 | -0.86% |
| 2012-01-31 | 0 | 23.15 | 23.05 | 23.20 | 23.05 | 23.15 | 29,226 | 675,762 | 23.122 | 23.15 | 23.05 | 23.20 | 23.05 | 23.15 | 29,226 | 23.122 | -0.22% |
| 2012-01-30 | 0 | 23.20 | 23.15 | 23.30 | 23.20 | 23.35 | 152,750 | 3,552,562 | 23.257 | 23.20 | 23.15 | 23.30 | 23.20 | 23.35 | 152,750 | 23.257 | -0.43% |
| 2012-01-27 | 0 | 23.30 | 23.20 | 23.35 | 23.25 | 23.35 | 31,653 | 737,214 | 23.290 | 23.30 | 23.20 | 23.35 | 23.25 | 23.35 | 31,653 | 23.290 | -0.21% |
| 2012-01-26 | 0 | 23.35 | 23.30 | 23.40 | 22.95 | 23.40 | 172,500 | 3,992,412 | 23.144 | 23.35 | 23.30 | 23.40 | 22.95 | 23.40 | 172,500 | 23.144 | 1.52% |
| 2012-01-20 | 0 | 23.00 | 22.95 | 23.05 | 22.90 | 23.00 | 162,410 | 3,725,248 | 22.937 | 23.00 | 22.95 | 23.05 | 22.90 | 23.00 | 162,410 | 22.937 | 0.44% |
| 2012-01-19 | 0 | 22.90 | 22.90 | 22.95 | 22.70 | 23.00 | 25,251 | 579,135 | 22.935 | 22.90 | 22.90 | 22.95 | 22.70 | 23.00 | 25,251 | 22.935 | -0.43% |
| 2012-01-18 | 0 | 23.00 | 22.90 | 23.00 | 22.90 | 23.00 | 37,750 | 865,437 | 22.925 | 23.00 | 22.90 | 23.00 | 22.90 | 23.00 | 37,750 | 22.925 | 0.44% |
| 2012-01-17 | 0 | 22.90 | - | 22.95 | 22.05 | 22.90 | 89,500 | 2,042,450 | 22.821 | 22.90 | - | 22.95 | 22.05 | 22.90 | 89,500 | 22.821 | 1.10% |
| 2012-01-16 | 0 | 22.65 | 22.65 | 22.70 | 22.60 | 22.65 | 27,000 | 611,075 | 22.632 | 22.65 | 22.65 | 22.70 | 22.60 | 22.65 | 27,000 | 22.632 | -1.74% |
| 2012-01-13 | 0 | 23.05 | 22.85 | 23.15 | 22.80 | 23.05 | 55,500 | 1,271,275 | 22.906 | 23.05 | 22.85 | 23.15 | 22.80 | 23.05 | 55,500 | 22.906 | -0.65% |
| 2012-01-12 | 0 | 23.20 | 23.15 | 23.25 | 22.95 | 23.20 | 64,050 | 1,483,177 | 23.157 | 23.20 | 23.15 | 23.25 | 22.95 | 23.20 | 64,050 | 23.157 | 0.87% |
| 2012-01-11 | 0 | 23.00 | 22.95 | 23.00 | 22.60 | 23.00 | 43,000 | 982,675 | 22.853 | 23.00 | 22.95 | 23.00 | 22.60 | 23.00 | 43,000 | 22.853 | 0.44% |
| 2012-01-10 | 0 | 22.90 | 22.90 | 23.05 | 22.00 | 23.00 | 42,158 | 965,760 | 22.908 | 22.90 | 22.90 | 23.05 | 22.00 | 23.00 | 42,158 | 22.908 | 0.66% |
| 2012-01-09 | 0 | 22.75 | 22.20 | 22.80 | 22.55 | 22.80 | 79,000 | 1,796,675 | 22.743 | 22.75 | 22.20 | 22.80 | 22.55 | 22.80 | 79,000 | 22.743 | 0.00% |
| 2012-01-06 | 0 | 22.75 | 22.70 | 22.85 | 22.65 | 22.75 | 27,500 | 625,337 | 22.740 | 22.75 | 22.70 | 22.85 | 22.65 | 22.75 | 27,500 | 22.740 | -1.09% |
| 2012-01-05 | 0 | 23.00 | 22.90 | 23.10 | 22.50 | 23.00 | 102,000 | 2,338,325 | 22.925 | 23.00 | 22.90 | 23.10 | 22.50 | 23.00 | 102,000 | 22.925 | 2.45% |
| 2012-01-04 | 0 | 22.45 | 22.15 | 22.45 | 22.15 | 23.00 | 81,250 | 1,837,212 | 22.612 | 22.45 | 22.15 | 22.45 | 22.15 | 23.00 | 81,250 | 22.612 | -0.22% |
| 2012-01-03 | 0 | 22.50 | 22.25 | 22.50 | 22.15 | 22.50 | 61,676 | 1,384,843 | 22.454 | 22.50 | 22.25 | 22.50 | 22.15 | 22.50 | 61,676 | 22.454 | 1.12% |
| 2011-12-30 | 0 | 22.25 | 22.25 | 22.50 | 22.25 | 22.45 | 97,750 | 2,190,862 | 22.413 | 22.25 | 22.25 | 22.50 | 22.25 | 22.45 | 97,750 | 22.413 | -0.67% |
| 2011-12-29 | 0 | 22.40 | 22.30 | 22.50 | 22.30 | 22.40 | 57,500 | 1,286,575 | 22.375 | 22.40 | 22.30 | 22.50 | 22.30 | 22.40 | 57,500 | 22.375 | -0.88% |
| 2011-12-28 | 0 | 22.60 | 22.60 | 22.80 | 22.40 | 22.70 | 95,750 | 2,160,750 | 22.567 | 22.60 | 22.60 | 22.80 | 22.40 | 22.70 | 95,750 | 22.567 | 0.44% |
| 2011-12-23 | 0 | 22.50 | 22.40 | 22.50 | 22.35 | 22.60 | 71,500 | 1,612,550 | 22.553 | 22.50 | 22.40 | 22.50 | 22.35 | 22.60 | 71,500 | 22.553 | 0.45% |
| 2011-12-22 | 0 | 22.40 | 22.30 | 22.45 | 21.80 | 22.45 | 41,250 | 921,112 | 22.330 | 22.40 | 22.30 | 22.45 | 21.80 | 22.45 | 41,250 | 22.330 | 0.45% |
| 2011-12-21 | 0 | 22.30 | 22.10 | 22.30 | 21.90 | 22.30 | 114,500 | 2,543,662 | 22.215 | 22.30 | 22.10 | 22.30 | 21.90 | 22.30 | 114,500 | 22.215 | 2.29% |
| 2011-12-20 | 0 | 21.80 | 21.80 | 21.85 | 21.40 | 21.85 | 73,250 | 1,588,312 | 21.683 | 21.80 | 21.80 | 21.85 | 21.40 | 21.85 | 73,250 | 21.683 | 0.69% |
| 2011-12-19 | 0 | 21.65 | 21.65 | 21.75 | 21.55 | 21.70 | 91,250 | 1,976,650 | 21.662 | 21.65 | 21.65 | 21.75 | 21.55 | 21.70 | 91,250 | 21.662 | -0.69% |
| 2011-12-16 | 0 | 21.80 | 21.70 | 21.90 | 21.50 | 21.90 | 97,750 | 2,126,200 | 21.751 | 21.80 | 21.70 | 21.90 | 21.50 | 21.90 | 97,750 | 21.751 | -0.46% |
| 2011-12-15 | 0 | 21.90 | 21.65 | 21.90 | 21.80 | 22.00 | 27,000 | 589,775 | 21.844 | 21.90 | 21.65 | 21.90 | 21.80 | 22.00 | 27,000 | 21.844 | -2.45% |
| 2011-12-14 | 0 | 22.45 | 22.30 | 22.45 | 21.65 | 22.50 | 227,500 | 5,071,562 | 22.293 | 22.45 | 22.30 | 22.45 | 21.65 | 22.50 | 227,500 | 22.293 | 0.90% |
| 2011-12-13 | 0 | 22.25 | 22.00 | 22.40 | 22.00 | 22.40 | 180,250 | 4,020,300 | 22.304 | 22.25 | 22.00 | 22.40 | 22.00 | 22.40 | 180,250 | 22.304 | -0.67% |
| 2011-12-12 | 0 | 22.40 | 21.60 | 22.45 | 22.40 | 22.60 | 170,750 | 3,845,100 | 22.519 | 22.40 | 21.60 | 22.45 | 22.40 | 22.60 | 170,750 | 22.519 | -1.10% |
| 2011-12-09 | 0 | 22.65 | 22.60 | 22.75 | 22.65 | 22.75 | 22,250 | 504,962 | 22.695 | 22.65 | 22.60 | 22.75 | 22.65 | 22.75 | 22,250 | 22.695 | -1.09% |
| 2011-12-08 | 0 | 22.90 | 22.80 | 23.00 | 22.90 | 23.25 | 13,500 | 310,037 | 22.966 | 22.90 | 22.80 | 23.00 | 22.90 | 23.25 | 13,500 | 22.966 | -1.72% |
| 2011-12-07 | 0 | 23.30 | 23.25 | 23.30 | 23.25 | 23.30 | 25,750 | 599,937 | 23.299 | 23.30 | 23.25 | 23.30 | 23.25 | 23.30 | 25,750 | 23.299 | 0.65% |
| 2011-12-06 | 0 | 23.15 | 23.10 | 23.20 | 23.30 | 23.30 | 1,000 | 23,300 | 23.300 | 23.15 | 23.10 | 23.20 | 23.30 | 23.30 | 1,000 | 23.300 | -0.64% |
| 2011-12-05 | 0 | 23.30 | 23.30 | 23.35 | 23.20 | 23.30 | 13,095 | 304,071 | 23.220 | 23.30 | 23.30 | 23.35 | 23.20 | 23.30 | 13,095 | 23.220 | 0.22% |
| 2011-12-02 | 0 | 23.25 | 23.25 | 23.40 | 23.20 | 23.20 | 3,000 | 69,600 | 23.200 | 23.25 | 23.25 | 23.40 | 23.20 | 23.20 | 3,000 | 23.200 | -0.21% |
| 2011-12-01 | 0 | 23.30 | 23.30 | 23.40 | 23.25 | 23.35 | 3,000 | 69,850 | 23.283 | 23.30 | 23.30 | 23.40 | 23.25 | 23.35 | 3,000 | 23.283 | 1.75% |
| 2011-11-30 | 0 | 22.90 | 22.85 | 23.00 | 22.90 | 23.00 | 7,500 | 172,087 | 22.945 | 22.90 | 22.85 | 23.00 | 22.90 | 23.00 | 7,500 | 22.945 | -0.22% |
| 2011-11-29 | 0 | 22.95 | 22.85 | 22.95 | 23.00 | 23.00 | 1,000 | 23,000 | 23.000 | 22.95 | 22.85 | 22.95 | 23.00 | 23.00 | 1,000 | 23.000 | 0.22% |
| 2011-11-28 | 0 | 22.90 | 22.85 | 23.00 | 22.70 | 22.70 | 4,000 | 91,400 | 22.850 | 22.90 | 22.85 | 23.00 | 22.70 | 22.70 | 4,000 | 22.850 | 0.66% |
| 2011-11-25 | 0 | 22.75 | 22.75 | 22.85 | 22.75 | 22.75 | 1,000 | 22,750 | 22.750 | 22.75 | 22.75 | 22.85 | 22.75 | 22.75 | 1,000 | 22.750 | -0.44% |
| 2011-11-24 | 0 | 22.85 | 22.75 | 22.85 | - | - | 0 | 0 | - | 22.85 | 22.75 | 22.85 | - | - | 0 | - | 0.00% |
| 2011-11-23 | 0 | 22.85 | 22.85 | 23.00 | 22.85 | 22.95 | 9,500 | 217,175 | 22.861 | 22.85 | 22.85 | 23.00 | 22.85 | 22.95 | 9,500 | 22.861 | -0.44% |
| 2011-11-22 | 0 | 22.95 | 22.95 | 23.00 | 22.90 | 23.00 | 11,750 | 269,225 | 22.913 | 22.95 | 22.95 | 23.00 | 22.90 | 23.00 | 11,750 | 22.913 | -0.43% |
| 2011-11-21 | 0 | 23.05 | 22.80 | 23.20 | 23.00 | 23.05 | 60,250 | 1,388,450 | 23.045 | 23.05 | 22.80 | 23.20 | 23.00 | 23.05 | 60,250 | 23.045 | -1.28% |
| 2011-11-18 | 0 | 23.35 | 23.30 | 23.40 | 23.25 | 23.80 | 1,750 | 41,062 | 23.464 | 23.35 | 23.30 | 23.40 | 23.25 | 23.80 | 1,750 | 23.464 | -2.10% |
| 2011-11-17 | 0 | 23.85 | 23.80 | 23.85 | 23.80 | 23.85 | 21,750 | 518,037 | 23.818 | 23.85 | 23.80 | 23.85 | 23.80 | 23.85 | 21,750 | 23.818 | 0.85% |
| 2011-11-16 | 0 | 23.65 | 23.60 | 23.70 | 23.50 | 23.75 | 3,250 | 76,712 | 23.604 | 23.65 | 23.60 | 23.70 | 23.50 | 23.75 | 3,250 | 23.604 | 0.64% |
| 2011-11-15 | 0 | 23.50 | 23.40 | 23.55 | 23.50 | 23.60 | 2,250 | 53,025 | 23.567 | 23.50 | 23.40 | 23.55 | 23.50 | 23.60 | 2,250 | 23.567 | -1.47% |
| 2011-11-14 | 0 | 23.85 | 23.70 | 23.90 | 23.75 | 23.85 | 15,500 | 368,762 | 23.791 | 23.85 | 23.70 | 23.90 | 23.75 | 23.85 | 15,500 | 23.791 | 0.42% |
| 2011-11-11 | 0 | 23.75 | 23.60 | 23.75 | 23.60 | 23.75 | 21,250 | 502,550 | 23.649 | 23.75 | 23.60 | 23.75 | 23.60 | 23.75 | 21,250 | 23.649 | 1.28% |
| 2011-11-10 | 0 | 23.45 | 23.35 | 23.60 | 23.45 | 23.60 | 4,000 | 94,000 | 23.500 | 23.45 | 23.35 | 23.60 | 23.45 | 23.60 | 4,000 | 23.500 | -2.09% |
| 2011-11-09 | 0 | 23.95 | 23.90 | 23.95 | 23.85 | 24.00 | 56,250 | 1,343,837 | 23.890 | 23.95 | 23.90 | 23.95 | 23.85 | 24.00 | 56,250 | 23.890 | 0.21% |
| 2011-11-08 | 0 | 23.90 | 23.80 | 23.90 | 23.65 | 23.95 | 10,500 | 249,987 | 23.808 | 23.90 | 23.80 | 23.90 | 23.65 | 23.95 | 10,500 | 23.808 | 0.84% |
| 2011-11-07 | 0 | 23.70 | 23.65 | 23.80 | 23.70 | 23.90 | 251,250 | 5,954,775 | 23.701 | 23.70 | 23.65 | 23.80 | 23.70 | 23.90 | 251,250 | 23.701 | 0.00% |
| 2011-11-04 | 0 | 23.70 | 23.70 | 23.75 | 23.55 | 23.70 | 21,500 | 508,800 | 23.665 | 23.70 | 23.70 | 23.75 | 23.55 | 23.70 | 21,500 | 23.665 | 2.16% |
| 2011-11-03 | 0 | 23.20 | 23.15 | 23.35 | 23.20 | 23.40 | 60,841 | 1,412,491 | 23.216 | 23.20 | 23.15 | 23.35 | 23.20 | 23.40 | 60,841 | 23.216 | -1.28% |
| 2011-11-02 | 0 | 23.50 | 23.35 | 23.50 | 23.00 | 23.50 | 50,000 | 1,167,700 | 23.354 | 23.50 | 23.35 | 23.50 | 23.00 | 23.50 | 50,000 | 23.354 | 0.00% |
| 2011-11-01 | 0 | 23.50 | 23.50 | 23.55 | 23.40 | 23.75 | 51,250 | 1,202,587 | 23.465 | 23.50 | 23.50 | 23.55 | 23.40 | 23.75 | 51,250 | 23.465 | -0.84% |
| 2011-10-31 | 0 | 23.70 | 23.65 | 23.85 | 23.65 | 24.00 | 54,750 | 1,302,637 | 23.792 | 23.70 | 23.65 | 23.85 | 23.65 | 24.00 | 54,750 | 23.792 | -1.25% |
| 2011-10-28 | 0 | 24.00 | 24.00 | 24.10 | 24.00 | 24.10 | 33,500 | 805,000 | 24.030 | 24.00 | 24.00 | 24.10 | 24.00 | 24.10 | 33,500 | 24.030 | 1.27% |
| 2011-10-27 | 0 | 23.70 | 23.55 | 25.00 | 23.65 | 23.80 | 54,250 | 1,285,862 | 23.703 | 23.70 | 23.55 | 25.00 | 23.65 | 23.80 | 54,250 | 23.703 | -0.42% |
| 2011-10-26 | 0 | 23.80 | 23.75 | 23.90 | 23.80 | 23.85 | 27,500 | 655,637 | 23.841 | 23.80 | 23.75 | 23.90 | 23.80 | 23.85 | 27,500 | 23.841 | 0.21% |
| 2011-10-25 | 0 | 23.75 | 23.65 | 23.90 | 23.55 | 23.70 | 26,500 | 625,700 | 23.611 | 23.75 | 23.65 | 23.90 | 23.55 | 23.70 | 26,500 | 23.611 | 1.93% |
| 2011-10-24 | 0 | 23.30 | 23.20 | 23.40 | 22.90 | 23.30 | 1,000 | 23,150 | 23.150 | 23.30 | 23.20 | 23.40 | 22.90 | 23.30 | 1,000 | 23.150 | 1.75% |
| 2011-10-21 | 0 | 22.90 | 22.85 | 22.95 | 22.85 | 23.10 | 171,000 | 3,912,600 | 22.881 | 22.90 | 22.85 | 22.95 | 22.85 | 23.10 | 171,000 | 22.881 | -0.22% |
| 2011-10-20 | 0 | 22.95 | 22.80 | 23.00 | 22.95 | 23.05 | 1,750 | 40,187 | 22.964 | 22.95 | 22.80 | 23.00 | 22.95 | 23.05 | 1,750 | 22.964 | -1.71% |
| 2011-10-19 | 0 | 23.35 | 23.25 | 23.40 | 23.30 | 23.50 | 4,000 | 93,400 | 23.350 | 23.35 | 23.25 | 23.40 | 23.30 | 23.50 | 4,000 | 23.350 | 0.86% |
| 2011-10-18 | 0 | 23.15 | 23.10 | 23.25 | 23.15 | 23.20 | 8,250 | 191,025 | 23.155 | 23.15 | 23.10 | 23.25 | 23.15 | 23.20 | 8,250 | 23.155 | -2.11% |
| 2011-10-17 | 0 | 23.65 | 23.45 | 23.80 | 23.40 | 23.65 | 12,500 | 294,200 | 23.536 | 23.65 | 23.45 | 23.80 | 23.40 | 23.65 | 12,500 | 23.536 | 2.16% |
| 2011-10-14 | 0 | 23.15 | 23.10 | 23.20 | 23.00 | 23.15 | 35,000 | 805,562 | 23.016 | 23.15 | 23.10 | 23.20 | 23.00 | 23.15 | 35,000 | 23.016 | 0.22% |
| 2011-10-13 | 0 | 23.10 | 23.00 | 23.20 | 22.90 | 23.15 | 86,750 | 1,999,912 | 23.054 | 23.10 | 23.00 | 23.20 | 22.90 | 23.15 | 86,750 | 23.054 | -0.43% |
| 2011-10-12 | 0 | 23.20 | 22.30 | 23.50 | 22.80 | 23.20 | 18,250 | 420,375 | 23.034 | 23.20 | 22.30 | 23.50 | 22.80 | 23.20 | 18,250 | 23.034 | 1.75% |
| 2011-10-11 | 0 | 22.80 | 22.80 | 22.90 | 22.80 | 23.05 | 6,500 | 149,500 | 23.000 | 22.80 | 22.80 | 22.90 | 22.80 | 23.05 | 6,500 | 23.000 | 0.44% |
| 2011-10-10 | 0 | 22.70 | 22.45 | 22.80 | 22.55 | 22.60 | 19,500 | 439,850 | 22.556 | 22.70 | 22.45 | 22.80 | 22.55 | 22.60 | 19,500 | 22.556 | 0.44% |
| 2011-10-07 | 0 | 22.60 | 22.55 | 22.75 | 22.35 | 22.70 | 64,250 | 1,454,712 | 22.641 | 22.60 | 22.55 | 22.75 | 22.35 | 22.70 | 64,250 | 22.641 | 1.35% |
| 2011-10-06 | 0 | 22.30 | 22.20 | 22.40 | 21.95 | 22.25 | 66,250 | 1,467,262 | 22.147 | 22.30 | 22.20 | 22.40 | 21.95 | 22.25 | 66,250 | 22.147 | 2.29% |
| 2011-10-04 | 0 | 21.80 | 21.70 | 21.90 | 21.75 | 22.00 | 52,500 | 1,146,512 | 21.838 | 21.80 | 21.70 | 21.90 | 21.75 | 22.00 | 52,500 | 21.838 | -0.68% |
| 2011-10-03 | 0 | 21.95 | 21.80 | 22.00 | 21.95 | 22.70 | 20,500 | 450,500 | 21.976 | 21.95 | 21.80 | 22.00 | 21.95 | 22.70 | 20,500 | 21.976 | -3.52% |
| 2011-09-30 | 0 | 22.75 | 22.75 | 22.85 | 22.70 | 22.75 | 201,750 | 4,589,800 | 22.750 | 22.75 | 22.75 | 22.85 | 22.70 | 22.75 | 201,750 | 22.750 | -1.52% |
| 2011-09-28 | 0 | 23.10 | 23.05 | 23.15 | 22.80 | 23.30 | 65,500 | 1,507,150 | 23.010 | 23.10 | 23.05 | 23.15 | 22.80 | 23.30 | 65,500 | 23.010 | 0.65% |
| 2011-09-27 | 0 | 22.95 | 22.75 | 22.95 | 22.35 | 23.00 | 39,750 | 901,075 | 22.669 | 22.95 | 22.75 | 22.95 | 22.35 | 23.00 | 39,750 | 22.669 | 3.85% |
| 2011-09-26 | 0 | 22.10 | 21.55 | 22.15 | 21.90 | 22.50 | 342,500 | 7,554,675 | 22.057 | 22.10 | 21.55 | 22.15 | 21.90 | 22.50 | 342,500 | 22.057 | -2.86% |
| 2011-09-23 | 0 | 22.75 | 22.75 | 22.80 | 22.60 | 22.90 | 62,250 | 1,417,862 | 22.777 | 22.75 | 22.75 | 22.80 | 22.60 | 22.90 | 62,250 | 22.777 | -2.99% |
| 2011-09-22 | 0 | 23.45 | 23.40 | 23.50 | 23.45 | 24.10 | 127,750 | 3,019,900 | 23.639 | 23.45 | 23.40 | 23.50 | 23.45 | 24.10 | 127,750 | 23.639 | -2.70% |
| 2011-09-21 | 0 | 24.10 | 24.10 | 24.15 | 24.00 | 24.10 | 36,250 | 872,225 | 24.061 | 24.10 | 24.10 | 24.15 | 24.00 | 24.10 | 36,250 | 24.061 | 0.00% |
| 2011-09-20 | 0 | 24.10 | 24.00 | 24.20 | 24.00 | 24.25 | 55,750 | 1,344,450 | 24.116 | 24.10 | 24.00 | 24.20 | 24.00 | 24.25 | 55,750 | 24.116 | -0.62% |
| 2011-09-19 | 0 | 24.25 | 24.20 | 24.50 | 24.25 | 24.55 | 35,250 | 856,487 | 24.298 | 24.25 | 24.20 | 24.50 | 24.25 | 24.55 | 35,250 | 24.298 | -2.22% |
| 2011-09-16 | 0 | 24.80 | 24.70 | 24.80 | - | - | 0 | 0 | - | 24.80 | 24.70 | 24.80 | - | - | 0 | - | 0.00% |
| 2011-09-15 | 0 | 24.80 | 24.80 | 25.00 | 24.70 | 24.80 | 29,000 | 717,937 | 24.756 | 24.80 | 24.80 | 25.00 | 24.70 | 24.80 | 29,000 | 24.756 | 0.00% |
| 2011-09-14 | 0 | 24.80 | 24.80 | 25.00 | 21.00 | 24.85 | 86,750 | 2,124,837 | 24.494 | 24.80 | 24.80 | 25.00 | 21.00 | 24.85 | 86,750 | 24.494 | 0.40% |
| 2011-09-12 | 0 | 24.70 | 24.50 | 24.70 | 24.70 | 25.40 | 6,250 | 156,175 | 24.988 | 24.70 | 24.50 | 24.70 | 24.70 | 25.40 | 6,250 | 24.988 | -2.95% |
| 2011-09-09 | 0 | 25.45 | 25.25 | 25.45 | 25.30 | 25.45 | 8,750 | 222,475 | 25.426 | 25.45 | 25.25 | 25.45 | 25.30 | 25.45 | 8,750 | 25.426 | 0.79% |
| 2011-09-08 | 0 | 25.25 | 25.20 | 25.30 | 25.25 | 25.30 | 13,000 | 328,837 | 25.295 | 25.25 | 25.20 | 25.30 | 25.25 | 25.30 | 13,000 | 25.295 | 1.00% |
| 2011-09-07 | 0 | 25.00 | 25.00 | 25.10 | 25.00 | 25.15 | 12,250 | 306,300 | 25.004 | 25.00 | 25.00 | 25.10 | 25.00 | 25.15 | 12,250 | 25.004 | 0.40% |
| 2011-09-06 | 0 | 24.90 | 24.90 | 25.00 | 24.80 | 25.00 | 9,750 | 242,650 | 24.887 | 24.90 | 24.90 | 25.00 | 24.80 | 25.00 | 9,750 | 24.887 | -0.80% |
| 2011-09-05 | 0 | 25.10 | 25.10 | 25.20 | 25.00 | 25.30 | 7,250 | 181,712 | 25.064 | 25.10 | 25.10 | 25.20 | 25.00 | 25.30 | 7,250 | 25.064 | -0.79% |
| 2011-09-02 | 0 | 25.30 | 25.30 | 25.40 | 25.25 | 25.40 | 11,750 | 297,487 | 25.318 | 25.30 | 25.30 | 25.40 | 25.25 | 25.40 | 11,750 | 25.318 | -0.20% |
| 2011-09-01 | 0 | 25.35 | 25.30 | 25.40 | 25.35 | 25.40 | 16,000 | 406,287 | 25.393 | 25.35 | 25.30 | 25.40 | 25.35 | 25.40 | 16,000 | 25.393 | 0.00% |
| 2011-08-31 | 0 | 25.35 | 25.10 | 25.40 | 25.30 | 25.40 | 30,000 | 759,562 | 25.319 | 25.35 | 25.10 | 25.40 | 25.30 | 25.40 | 30,000 | 25.319 | 1.00% |
| 2011-08-30 | 0 | 25.10 | 25.05 | 25.15 | 25.05 | 25.10 | 7,250 | 181,812 | 25.078 | 25.10 | 25.05 | 25.15 | 25.05 | 25.10 | 7,250 | 25.078 | 0.40% |
| 2011-08-29 | 0 | 25.00 | 24.95 | 25.10 | 24.70 | 25.10 | 8,000 | 199,687 | 24.961 | 25.00 | 24.95 | 25.10 | 24.70 | 25.10 | 8,000 | 24.961 | 1.21% |
| 2011-08-26 | 0 | 24.70 | 24.65 | 24.85 | 24.70 | 24.85 | 36,500 | 902,025 | 24.713 | 24.70 | 24.65 | 24.85 | 24.70 | 24.85 | 36,500 | 24.713 | 0.00% |
| 2011-08-25 | 0 | 24.70 | 24.65 | 24.75 | 24.65 | 24.95 | 9,250 | 228,787 | 24.734 | 24.70 | 24.65 | 24.75 | 24.65 | 24.95 | 9,250 | 24.734 | -0.60% |
| 2011-08-24 | 0 | 24.85 | 24.80 | 24.95 | 24.85 | 24.90 | 10,500 | 261,187 | 24.875 | 24.85 | 24.80 | 24.95 | 24.85 | 24.90 | 10,500 | 24.875 | -0.20% |
| 2011-08-23 | 0 | 24.90 | 24.80 | 24.90 | 24.80 | 24.90 | 4,250 | 105,500 | 24.824 | 24.90 | 24.80 | 24.90 | 24.80 | 24.90 | 4,250 | 24.824 | 1.63% |
| 2011-08-22 | 0 | 24.50 | 24.50 | 24.55 | 24.15 | 24.60 | 45,500 | 1,109,587 | 24.387 | 24.50 | 24.50 | 24.55 | 24.15 | 24.60 | 45,500 | 24.387 | 1.87% |
| 2011-08-19 | 0 | 24.05 | 24.00 | 24.15 | 24.00 | 24.60 | 16,500 | 398,600 | 24.158 | 24.05 | 24.00 | 24.15 | 24.00 | 24.60 | 16,500 | 24.158 | -2.63% |
| 2011-08-18 | 0 | 24.70 | 24.65 | 24.80 | 24.70 | 24.80 | 27,500 | 680,675 | 24.752 | 24.70 | 24.65 | 24.80 | 24.70 | 24.80 | 27,500 | 24.752 | 0.41% |
| 2011-08-17 | 0 | 24.60 | 24.60 | 24.70 | 24.60 | 24.70 | 20,750 | 510,725 | 24.613 | 24.60 | 24.60 | 24.70 | 24.60 | 24.70 | 20,750 | 24.613 | 0.00% |
| 2011-08-16 | 0 | 24.60 | 24.50 | 24.65 | 24.50 | 24.70 | 25,250 | 620,287 | 24.566 | 24.60 | 24.50 | 24.65 | 24.50 | 24.70 | 25,250 | 24.566 | 1.03% |
| 2011-08-15 | 0 | 24.35 | 24.35 | 24.40 | 24.35 | 24.45 | 5,000 | 121,962 | 24.392 | 24.35 | 24.35 | 24.40 | 24.35 | 24.45 | 5,000 | 24.392 | 0.00% |
| 2011-08-12 | 0 | 24.35 | 24.25 | 24.35 | 24.20 | 24.40 | 17,250 | 419,812 | 24.337 | 24.35 | 24.25 | 24.35 | 24.20 | 24.40 | 17,250 | 24.337 | 1.04% |
| 2011-08-11 | 0 | 24.10 | 24.10 | 24.15 | 23.80 | 24.15 | 92,000 | 2,206,200 | 23.980 | 24.10 | 24.10 | 24.15 | 23.80 | 24.15 | 92,000 | 23.980 | 0.42% |
| 2011-08-10 | 0 | 24.00 | 23.95 | 24.00 | 23.80 | 24.05 | 22,750 | 544,775 | 23.946 | 24.00 | 23.95 | 24.00 | 23.80 | 24.05 | 22,750 | 23.946 | 1.91% |
| 2011-08-09 | 0 | 23.55 | 23.50 | 23.70 | 23.05 | 24.20 | 108,250 | 2,523,187 | 23.309 | 23.55 | 23.50 | 23.70 | 23.05 | 24.20 | 108,250 | 23.309 | -2.89% |
| 2011-08-08 | 0 | 24.25 | 24.25 | 24.35 | 24.00 | 24.25 | 138,250 | 3,338,725 | 24.150 | 24.25 | 24.25 | 24.35 | 24.00 | 24.25 | 138,250 | 24.150 | -0.41% |
| 2011-08-05 | 0 | 24.35 | 24.20 | 24.35 | 24.05 | 24.90 | 94,750 | 2,298,875 | 24.263 | 24.35 | 24.20 | 24.35 | 24.05 | 24.90 | 94,750 | 24.263 | -3.56% |
| 2011-08-04 | 0 | 25.25 | 25.15 | 25.50 | 25.15 | 25.25 | 12,250 | 308,512 | 25.185 | 25.25 | 25.15 | 25.50 | 25.15 | 25.25 | 12,250 | 25.185 | -0.59% |
| 2011-08-03 | 0 | 25.40 | 25.35 | 25.55 | 25.40 | 25.60 | 5,196 | 132,282 | 25.458 | 25.40 | 25.35 | 25.55 | 25.40 | 25.60 | 5,196 | 25.458 | 0.20% |
| 2011-08-02 | 0 | 25.35 | 25.35 | 25.45 | 25.35 | 25.60 | 11,750 | 298,225 | 25.381 | 25.35 | 25.35 | 25.45 | 25.35 | 25.60 | 11,750 | 25.381 | -1.36% |
| 2011-08-01 | 0 | 25.70 | 25.70 | 25.75 | 25.60 | 25.75 | 7,000 | 179,950 | 25.707 | 25.70 | 25.70 | 25.75 | 25.60 | 25.75 | 7,000 | 25.707 | 0.78% |
| 2011-07-29 | 0 | 25.50 | 25.50 | 25.60 | 25.50 | 25.85 | 51,250 | 1,310,350 | 25.568 | 25.50 | 25.50 | 25.60 | 25.50 | 25.85 | 51,250 | 25.568 | -1.35% |
| 2011-07-28 | 0 | 25.85 | 25.80 | 25.85 | 25.85 | 25.85 | 750 | 19,387 | 25.849 | 25.85 | 25.80 | 25.85 | 25.85 | 25.85 | 750 | 25.849 | -0.39% |
| 2011-07-27 | 0 | 25.95 | 25.90 | 26.00 | 25.90 | 26.00 | 38,250 | 992,612 | 25.951 | 25.95 | 25.90 | 26.00 | 25.90 | 26.00 | 38,250 | 25.951 | 0.39% |
| 2011-07-26 | 0 | 25.85 | 25.85 | 25.90 | 25.70 | 25.85 | 15,000 | 387,600 | 25.840 | 25.85 | 25.85 | 25.90 | 25.70 | 25.85 | 15,000 | 25.840 | 0.19% |
| 2011-07-25 | 0 | 25.80 | 25.80 | 25.90 | 25.75 | 25.75 | 3,500 | 90,200 | 25.771 | 25.80 | 25.80 | 25.90 | 25.75 | 25.75 | 3,500 | 25.771 | -0.39% |
| 2011-07-22 | 0 | 25.90 | 25.80 | 25.90 | 25.75 | 25.90 | 10,500 | 271,225 | 25.831 | 25.90 | 25.80 | 25.90 | 25.75 | 25.90 | 10,500 | 25.831 | 0.58% |
| 2011-07-21 | 0 | 25.75 | 25.75 | 25.90 | 25.75 | 25.90 | 3,250 | 84,100 | 25.877 | 25.75 | 25.75 | 25.90 | 25.75 | 25.90 | 3,250 | 25.877 | -0.58% |
| 2011-07-20 | 0 | 25.90 | 25.85 | 25.90 | 25.80 | 26.00 | 8,750 | 226,400 | 25.874 | 25.90 | 25.85 | 25.90 | 25.80 | 26.00 | 8,750 | 25.874 | 0.58% |
| 2011-07-19 | 0 | 25.75 | 25.65 | 25.80 | 25.65 | 25.75 | 34,750 | 891,712 | 25.661 | 25.75 | 25.65 | 25.80 | 25.65 | 25.75 | 34,750 | 25.661 | 0.19% |
| 2011-07-18 | 0 | 25.70 | 25.70 | 25.75 | 25.70 | 25.75 | 5,500 | 141,500 | 25.727 | 25.70 | 25.70 | 25.75 | 25.70 | 25.75 | 5,500 | 25.727 | 0.39% |
| 2011-07-15 | 0 | 25.60 | 25.60 | 25.70 | 25.60 | 25.95 | 7,750 | 199,962 | 25.802 | 25.60 | 25.60 | 25.70 | 25.60 | 25.95 | 7,750 | 25.802 | -1.54% |
| 2011-07-14 | 0 | 26.00 | 25.95 | 26.00 | 25.95 | 26.00 | 23,000 | 597,287 | 25.969 | 26.00 | 25.95 | 26.00 | 25.95 | 26.00 | 23,000 | 25.969 | 1.17% |
| 2011-07-13 | 0 | 25.70 | 25.70 | 25.80 | 25.05 | 25.80 | 18,750 | 480,512 | 25.627 | 25.70 | 25.70 | 25.80 | 25.05 | 25.80 | 18,750 | 25.627 | 2.59% |
| 2011-07-12 | 0 | 25.05 | 25.05 | 25.20 | 25.05 | 25.40 | 12,500 | 313,500 | 25.080 | 25.05 | 25.05 | 25.20 | 25.05 | 25.40 | 12,500 | 25.080 | -1.76% |
| 2011-07-11 | 0 | 25.50 | 25.40 | 25.50 | 25.50 | 25.80 | 20,750 | 532,300 | 25.653 | 25.50 | 25.40 | 25.50 | 25.50 | 25.80 | 20,750 | 25.653 | -0.97% |
| 2011-07-08 | 0 | 25.75 | 25.70 | 25.80 | 25.75 | 25.85 | 8,500 | 219,150 | 25.782 | 25.75 | 25.70 | 25.80 | 25.75 | 25.85 | 8,500 | 25.782 | 1.58% |
| 2011-07-07 | 0 | 25.35 | 25.35 | 25.50 | 25.35 | 25.50 | 5,250 | 133,712 | 25.469 | 25.35 | 25.35 | 25.50 | 25.35 | 25.50 | 5,250 | 25.469 | -0.39% |
| 2011-07-06 | 0 | 25.45 | 25.35 | 25.55 | 25.15 | 25.60 | 24,000 | 610,325 | 25.430 | 25.45 | 25.35 | 25.55 | 25.15 | 25.60 | 24,000 | 25.430 | 1.80% |
| 2011-07-05 | 0 | 25.00 | 25.00 | 25.10 | 25.00 | 25.10 | 25,000 | 626,162 | 25.046 | 25.00 | 25.00 | 25.10 | 25.00 | 25.10 | 25,000 | 25.046 | -0.40% |
| 2011-07-04 | 0 | 25.10 | 25.05 | 25.10 | 25.15 | 25.25 | 4,750 | 119,862 | 25.234 | 25.10 | 25.05 | 25.10 | 25.15 | 25.25 | 4,750 | 25.234 | -0.59% |
| 2011-06-30 | 0 | 25.25 | 25.20 | 25.40 | 25.25 | 25.40 | 41,000 | 1,041,250 | 25.396 | 25.25 | 25.20 | 25.40 | 25.25 | 25.40 | 41,000 | 25.396 | 0.40% |
| 2011-06-29 | 0 | 25.15 | 25.00 | 25.15 | 24.90 | 25.15 | 40,000 | 997,875 | 24.947 | 25.15 | 25.00 | 25.15 | 24.90 | 25.15 | 40,000 | 24.947 | 2.24% |
| 2011-06-28 | 0 | 24.60 | 24.60 | 24.65 | 24.50 | 24.65 | 19,250 | 472,275 | 24.534 | 24.60 | 24.60 | 24.65 | 24.50 | 24.65 | 19,250 | 24.534 | 0.82% |
| 2011-06-27 | 0 | 24.40 | 24.40 | 24.45 | 24.40 | 24.70 | 30,000 | 736,600 | 24.553 | 24.40 | 24.40 | 24.45 | 24.40 | 24.70 | 30,000 | 24.553 | -1.21% |
| 2011-06-24 | 0 | 24.70 | 24.70 | 24.75 | 24.70 | 24.85 | 34,250 | 849,062 | 24.790 | 24.70 | 24.70 | 24.75 | 24.70 | 24.85 | 34,250 | 24.790 | -1.59% |
| 2011-06-23 | 0 | 25.10 | 25.05 | 25.10 | 25.05 | 25.10 | 20,500 | 514,512 | 25.098 | 25.10 | 25.05 | 25.10 | 25.05 | 25.10 | 20,500 | 25.098 | -0.79% |
| 2011-06-22 | 0 | 25.30 | 25.20 | 25.35 | 25.20 | 25.35 | 6,500 | 164,175 | 25.258 | 25.30 | 25.20 | 25.35 | 25.20 | 25.35 | 6,500 | 25.258 | 0.40% |
| 2011-06-21 | 0 | 25.20 | 25.15 | 25.20 | 25.05 | 25.20 | 20,750 | 520,575 | 25.088 | 25.20 | 25.15 | 25.20 | 25.05 | 25.20 | 20,750 | 25.088 | 1.61% |
| 2011-06-20 | 0 | 24.80 | 24.80 | 24.90 | 24.80 | 25.05 | 58,000 | 1,449,612 | 24.993 | 24.80 | 24.80 | 24.90 | 24.80 | 25.05 | 58,000 | 24.993 | -0.40% |
| 2011-06-17 | 0 | 24.90 | 24.90 | 25.00 | 24.90 | 25.30 | 39,250 | 984,025 | 25.071 | 24.90 | 24.90 | 25.00 | 24.90 | 25.30 | 39,250 | 25.071 | -1.78% |
| 2011-06-16 | 0 | 25.35 | 25.25 | 25.45 | 25.25 | 25.50 | 66,500 | 1,688,575 | 25.392 | 25.35 | 25.25 | 25.45 | 25.25 | 25.50 | 66,500 | 25.392 | -1.74% |
| 2011-06-15 | 0 | 25.80 | 25.75 | 25.85 | 25.75 | 25.95 | 6,750 | 174,075 | 25.789 | 25.80 | 25.75 | 25.85 | 25.75 | 25.95 | 6,750 | 25.789 | 0.58% |
| 2011-06-14 | 0 | 25.65 | 25.60 | 25.75 | 25.60 | 25.85 | 18,250 | 470,125 | 25.760 | 25.65 | 25.60 | 25.75 | 25.60 | 25.85 | 18,250 | 25.760 | -0.77% |
| 2011-06-13 | 0 | 25.85 | 25.85 | 25.95 | 25.80 | 26.00 | 62,250 | 1,611,887 | 25.894 | 25.85 | 25.85 | 25.95 | 25.80 | 26.00 | 62,250 | 25.894 | -0.58% |
| 2011-06-10 | 0 | 26.00 | 26.00 | 26.10 | 26.00 | 26.25 | 66,750 | 1,738,487 | 26.045 | 26.00 | 26.00 | 26.10 | 26.00 | 26.25 | 66,750 | 26.045 | 0.19% |
| 2011-06-09 | 0 | 25.95 | 25.95 | 26.00 | 25.90 | 26.00 | 21,750 | 564,050 | 25.933 | 25.95 | 25.95 | 26.00 | 25.90 | 26.00 | 21,750 | 25.933 | 0.58% |
| 2011-06-08 | 0 | 25.80 | 25.70 | 25.80 | 25.65 | 25.85 | 60,750 | 1,558,625 | 25.656 | 25.80 | 25.70 | 25.80 | 25.65 | 25.85 | 60,750 | 25.656 | 0.19% |
| 2011-06-07 | 0 | 25.75 | 25.75 | 25.85 | 25.55 | 25.90 | 26,000 | 668,462 | 25.710 | 25.75 | 25.75 | 25.85 | 25.55 | 25.90 | 26,000 | 25.710 | -0.77% |
| 2011-06-03 | 0 | 25.95 | 25.85 | 25.95 | 25.90 | 26.00 | 28,500 | 738,250 | 25.904 | 25.95 | 25.85 | 25.95 | 25.90 | 26.00 | 28,500 | 25.904 | 0.78% |
| 2011-06-02 | 0 | 25.75 | 25.70 | 25.75 | 25.65 | 26.10 | 9,250 | 238,025 | 25.732 | 25.75 | 25.70 | 25.75 | 25.65 | 26.10 | 9,250 | 25.732 | -1.34% |
| 2011-06-01 | 0 | 26.10 | 26.10 | 26.20 | 26.00 | 26.35 | 31,250 | 817,412 | 26.157 | 26.10 | 26.10 | 26.20 | 26.00 | 26.35 | 31,250 | 26.157 | 0.00% |
| 2011-05-31 | 0 | 26.10 | 26.00 | 26.10 | 25.80 | 26.10 | 64,000 | 1,659,825 | 25.935 | 26.10 | 26.00 | 26.10 | 25.80 | 26.10 | 64,000 | 25.935 | 0.97% |
| 2011-05-30 | 0 | 25.85 | 25.75 | 25.85 | 25.65 | 25.95 | 20,500 | 527,487 | 25.731 | 25.85 | 25.75 | 25.85 | 25.65 | 25.95 | 20,500 | 25.731 | 0.78% |
| 2011-05-27 | 0 | 25.65 | 25.65 | 25.70 | 25.60 | 25.80 | 26,250 | 673,925 | 25.673 | 25.65 | 25.65 | 25.70 | 25.60 | 25.80 | 26,250 | 25.673 | -0.39% |
| 2011-05-26 | 0 | 25.75 | 25.70 | 25.80 | 25.70 | 25.85 | 57,500 | 1,478,675 | 25.716 | 25.75 | 25.70 | 25.80 | 25.70 | 25.85 | 57,500 | 25.716 | 1.98% |
| 2011-05-25 | 0 | 25.25 | 25.20 | 25.25 | 25.20 | 25.40 | 36,250 | 916,425 | 25.281 | 25.25 | 25.20 | 25.25 | 25.20 | 25.40 | 36,250 | 25.281 | 0.00% |
| 2011-05-24 | 0 | 25.25 | 25.25 | 25.30 | 25.10 | 25.20 | 33,000 | 829,587 | 25.139 | 25.25 | 25.25 | 25.30 | 25.10 | 25.20 | 33,000 | 25.139 | 0.60% |
| 2011-05-23 | 0 | 25.10 | 25.05 | 25.20 | 25.00 | 25.45 | 62,500 | 1,573,937 | 25.183 | 25.10 | 25.05 | 25.20 | 25.00 | 25.45 | 62,500 | 25.183 | -1.38% |
| 2011-05-20 | 0 | 25.45 | 25.35 | 25.50 | 25.30 | 25.50 | 3,500 | 88,762 | 25.361 | 25.45 | 25.35 | 25.50 | 25.30 | 25.50 | 3,500 | 25.361 | -0.20% |
| 2011-05-19 | 0 | 25.50 | 25.50 | 25.65 | 25.50 | 25.70 | 40,750 | 1,043,487 | 25.607 | 25.50 | 25.50 | 25.65 | 25.50 | 25.70 | 40,750 | 25.607 | 0.99% |
| 2011-05-18 | 0 | 25.25 | 25.20 | 25.30 | 25.15 | 25.25 | 35,000 | 882,100 | 25.203 | 25.25 | 25.20 | 25.30 | 25.15 | 25.25 | 35,000 | 25.203 | 0.80% |
| 2011-05-17 | 0 | 25.05 | 25.05 | 25.10 | 24.95 | 25.10 | 82,750 | 2,067,575 | 24.986 | 25.05 | 25.05 | 25.10 | 24.95 | 25.10 | 82,750 | 24.986 | -0.60% |
| 2011-05-16 | 0 | 25.20 | 25.10 | 25.20 | 25.10 | 25.35 | 44,250 | 1,113,300 | 25.159 | 25.20 | 25.10 | 25.20 | 25.10 | 25.35 | 44,250 | 25.159 | -0.59% |
| 2011-05-13 | 0 | 25.35 | 25.35 | 25.40 | 25.00 | 25.35 | 31,750 | 796,912 | 25.100 | 25.35 | 25.35 | 25.40 | 25.00 | 25.35 | 31,750 | 25.100 | 1.40% |
| 2011-05-12 | 0 | 25.00 | 25.00 | 25.10 | 25.00 | 25.90 | 130,500 | 3,291,662 | 25.223 | 25.00 | 25.00 | 25.10 | 25.00 | 25.90 | 130,500 | 25.223 | -3.85% |
| 2011-05-11 | 0 | 26.00 | 25.95 | 26.00 | 25.75 | 26.15 | 73,500 | 1,913,837 | 26.039 | 26.00 | 25.95 | 26.00 | 25.75 | 26.15 | 73,500 | 26.039 | 1.96% |
| 2011-05-09 | 0 | 25.50 | 25.45 | 25.50 | 25.15 | 25.50 | 68,750 | 1,747,350 | 25.416 | 25.50 | 25.45 | 25.50 | 25.15 | 25.50 | 68,750 | 25.416 | 1.59% |
| 2011-05-06 | 0 | 25.10 | 25.10 | 25.25 | 24.95 | 25.90 | 257,000 | 6,534,387 | 25.426 | 25.10 | 25.10 | 25.25 | 24.95 | 25.90 | 257,000 | 25.426 | -5.82% |
| 2011-05-05 | 0 | 26.65 | 26.65 | 26.70 | 26.50 | 26.75 | 113,827 | 3,026,923 | 26.592 | 26.65 | 26.65 | 26.70 | 26.50 | 26.75 | 113,827 | 26.592 | -1.30% |
| 2011-05-04 | 0 | 27.00 | 27.00 | 27.10 | 27.00 | 27.20 | 164,000 | 4,434,350 | 27.039 | 27.00 | 27.00 | 27.10 | 27.00 | 27.20 | 164,000 | 27.039 | -1.10% |
| 2011-05-03 | 0 | 27.30 | 27.30 | 27.35 | 27.25 | 27.45 | 33,000 | 901,912 | 27.331 | 27.30 | 27.30 | 27.35 | 27.25 | 27.45 | 33,000 | 27.331 | 0.37% |
| 2011-04-29 | 0 | 27.20 | 27.20 | 27.30 | 27.20 | 27.40 | 24,750 | 675,662 | 27.299 | 27.20 | 27.20 | 27.30 | 27.20 | 27.40 | 24,750 | 27.299 | -0.73% |
| 2011-04-28 | 0 | 27.40 | 27.35 | 27.40 | 27.35 | 27.50 | 29,750 | 815,912 | 27.426 | 27.40 | 27.35 | 27.40 | 27.35 | 27.50 | 29,750 | 27.426 | 0.74% |
| 2011-04-27 | 0 | 27.20 | 27.20 | 27.25 | 27.00 | 27.30 | 115,500 | 3,127,862 | 27.081 | 27.20 | 27.20 | 27.25 | 27.00 | 27.30 | 115,500 | 27.081 | 0.37% |
| 2011-04-26 | 0 | 27.10 | 27.10 | 27.20 | 27.00 | 27.25 | 55,750 | 1,512,425 | 27.129 | 27.10 | 27.10 | 27.20 | 27.00 | 27.25 | 55,750 | 27.129 | -1.09% |
| 2011-04-21 | 0 | 27.40 | 27.30 | 27.40 | 27.20 | 27.45 | 81,250 | 2,218,962 | 27.310 | 27.40 | 27.30 | 27.40 | 27.20 | 27.45 | 81,250 | 27.310 | 1.11% |
| 2011-04-20 | 0 | 27.10 | 27.00 | 27.10 | 26.95 | 27.20 | 14,000 | 379,425 | 27.102 | 27.10 | 27.00 | 27.10 | 26.95 | 27.20 | 14,000 | 27.102 | 1.69% |
| 2011-04-19 | 0 | 26.65 | 26.60 | 26.65 | 26.65 | 26.90 | 56,250 | 1,504,650 | 26.749 | 26.65 | 26.60 | 26.65 | 26.65 | 26.90 | 56,250 | 26.749 | -1.30% |
| 2011-04-18 | 0 | 27.00 | 26.90 | 27.00 | 27.00 | 27.15 | 28,500 | 772,112 | 27.092 | 27.00 | 26.90 | 27.00 | 27.00 | 27.15 | 28,500 | 27.092 | 0.56% |
| 2011-04-15 | 0 | 26.85 | 26.85 | 26.95 | 26.85 | 27.05 | 24,250 | 653,900 | 26.965 | 26.85 | 26.85 | 26.95 | 26.85 | 27.05 | 24,250 | 26.965 | 0.19% |
| 2011-04-14 | 0 | 26.80 | 26.80 | 26.85 | 26.80 | 26.95 | 46,000 | 1,238,050 | 26.914 | 26.80 | 26.80 | 26.85 | 26.80 | 26.95 | 46,000 | 26.914 | -0.37% |
| 2011-04-13 | 0 | 26.90 | 26.85 | 26.90 | 26.65 | 27.10 | 89,250 | 2,398,012 | 26.868 | 26.90 | 26.85 | 26.90 | 26.65 | 27.10 | 89,250 | 26.868 | -0.74% |
| 2011-04-12 | 0 | 27.10 | 27.10 | 27.20 | 27.00 | 27.30 | 87,250 | 2,363,600 | 27.090 | 27.10 | 27.10 | 27.20 | 27.00 | 27.30 | 87,250 | 27.090 | -1.81% |
| 2011-04-11 | 0 | 27.60 | 27.55 | 27.60 | 27.40 | 27.65 | 37,750 | 1,040,712 | 27.569 | 27.60 | 27.55 | 27.60 | 27.40 | 27.65 | 37,750 | 27.569 | 0.73% |
| 2011-04-08 | 0 | 27.40 | 27.35 | 27.40 | 27.25 | 27.50 | 42,500 | 1,163,387 | 27.374 | 27.40 | 27.35 | 27.40 | 27.25 | 27.50 | 42,500 | 27.374 | 0.92% |
| 2011-04-07 | 0 | 27.15 | 27.10 | 27.25 | 27.00 | 27.40 | 56,000 | 1,522,750 | 27.192 | 27.15 | 27.10 | 27.25 | 27.00 | 27.40 | 56,000 | 27.192 | -0.37% |
| 2011-04-06 | 0 | 27.25 | 27.10 | 27.25 | 26.95 | 27.30 | 150,566 | 4,077,129 | 27.079 | 27.25 | 27.10 | 27.25 | 26.95 | 27.30 | 150,566 | 27.079 | 1.30% |
| 2011-04-04 | 0 | 26.90 | 26.90 | 26.95 | 26.80 | 26.90 | 336,250 | 9,043,062 | 26.894 | 26.90 | 26.90 | 26.95 | 26.80 | 26.90 | 336,250 | 26.894 | 0.00% |
| 2011-04-01 | 0 | 26.90 | 26.85 | 26.90 | 26.60 | 26.90 | 86,000 | 2,308,113 | 26.839 | 26.90 | 26.85 | 26.90 | 26.60 | 26.90 | 86,000 | 26.839 | 1.51% |
| 2011-03-31 | 0 | 26.50 | 26.45 | 26.50 | 26.40 | 26.60 | 31,000 | 820,613 | 26.471 | 26.50 | 26.45 | 26.50 | 26.40 | 26.60 | 31,000 | 26.471 | 0.19% |
| 2011-03-30 | 0 | 26.45 | 26.45 | 26.65 | 26.45 | 26.65 | 46,250 | 1,227,063 | 26.531 | 26.45 | 26.45 | 26.65 | 26.45 | 26.65 | 46,250 | 26.531 | -0.19% |
| 2011-03-29 | 0 | 26.50 | 26.45 | 26.50 | 26.45 | 26.90 | 24,000 | 639,350 | 26.640 | 26.50 | 26.45 | 26.50 | 26.45 | 26.90 | 24,000 | 26.640 | -0.93% |
| 2011-03-28 | 0 | 26.75 | 26.70 | 26.75 | 26.70 | 27.00 | 53,000 | 1,424,763 | 26.882 | 26.75 | 26.70 | 26.75 | 26.70 | 27.00 | 53,000 | 26.882 | -0.56% |
| 2011-03-25 | 0 | 26.90 | 26.80 | 26.90 | 26.75 | 26.95 | 28,000 | 751,288 | 26.832 | 26.90 | 26.80 | 26.90 | 26.75 | 26.95 | 28,000 | 26.832 | 0.94% |
| 2011-03-24 | 0 | 26.65 | 26.65 | 26.70 | 26.65 | 26.80 | 20,500 | 547,613 | 26.713 | 26.65 | 26.65 | 26.70 | 26.65 | 26.80 | 20,500 | 26.713 | 0.00% |
| 2011-03-23 | 0 | 26.65 | 26.65 | 26.70 | 26.60 | 26.80 | 86,500 | 2,310,525 | 26.711 | 26.65 | 26.65 | 26.70 | 26.60 | 26.80 | 86,500 | 26.711 | 0.57% |
| 2011-03-22 | 0 | 26.50 | 26.40 | 26.50 | 26.40 | 26.70 | 70,000 | 1,855,638 | 26.509 | 26.50 | 26.40 | 26.50 | 26.40 | 26.70 | 70,000 | 26.509 | -0.38% |
| 2011-03-21 | 0 | 26.60 | 26.50 | 26.60 | 26.40 | 26.95 | 150,750 | 4,010,725 | 26.605 | 26.60 | 26.50 | 26.60 | 26.40 | 26.95 | 150,750 | 26.605 | 0.38% |
| 2011-03-18 | 0 | 26.50 | 26.40 | 26.50 | 26.10 | 26.50 | 48,250 | 1,272,163 | 26.366 | 26.50 | 26.40 | 26.50 | 26.10 | 26.50 | 48,250 | 26.366 | 4.13% |
| 2011-03-17 | 0 | 25.45 | 25.40 | 25.45 | 25.25 | 25.55 | 133,250 | 3,384,450 | 25.399 | 25.45 | 25.40 | 25.45 | 25.25 | 25.55 | 133,250 | 25.399 | 0.20% |
| 2011-03-16 | 0 | 25.40 | 25.40 | 25.50 | 25.15 | 25.70 | 260,500 | 6,589,225 | 25.295 | 25.40 | 25.40 | 25.50 | 25.15 | 25.70 | 260,500 | 25.295 | -2.12% |
| 2011-03-15 | 0 | 25.95 | 25.85 | 25.95 | 25.45 | 26.20 | 178,250 | 4,614,100 | 25.886 | 25.95 | 25.85 | 25.95 | 25.45 | 26.20 | 178,250 | 25.886 | -0.95% |
| 2011-03-14 | 0 | 26.20 | 26.10 | 26.20 | 25.70 | 26.40 | 133,250 | 3,483,563 | 26.143 | 26.20 | 26.10 | 26.20 | 25.70 | 26.40 | 133,250 | 26.143 | -0.95% |
| 2011-03-11 | 0 | 26.45 | 26.40 | 26.45 | 26.35 | 27.30 | 129,000 | 3,424,088 | 26.543 | 26.45 | 26.40 | 26.45 | 26.35 | 27.30 | 129,000 | 26.543 | -2.22% |
| 2011-03-10 | 0 | 27.05 | 27.00 | 27.10 | 27.00 | 27.20 | 100,500 | 2,723,575 | 27.100 | 27.05 | 27.00 | 27.10 | 27.00 | 27.20 | 100,500 | 27.100 | 0.56% |
| 2011-03-09 | 0 | 26.90 | 26.90 | 27.25 | 26.85 | 27.00 | 55,500 | 1,493,225 | 26.905 | 26.90 | 26.90 | 27.25 | 26.85 | 27.00 | 55,500 | 26.905 | -0.19% |
| 2011-03-08 | 0 | 26.95 | 26.90 | 26.95 | 26.90 | 27.80 | 101,950 | 2,761,790 | 27.090 | 26.95 | 26.90 | 26.95 | 26.90 | 27.80 | 101,950 | 27.090 | -1.82% |
| 2011-03-07 | 0 | 27.45 | 27.35 | 27.50 | 27.20 | 27.45 | 76,500 | 2,093,563 | 27.367 | 27.45 | 27.35 | 27.50 | 27.20 | 27.45 | 76,500 | 27.367 | 0.92% |
| 2011-03-04 | 0 | 27.20 | 27.15 | 27.20 | 26.95 | 27.20 | 71,750 | 1,941,725 | 27.062 | 27.20 | 27.15 | 27.20 | 26.95 | 27.20 | 71,750 | 27.062 | 1.12% |
| 2011-03-03 | 0 | 26.90 | 26.80 | 26.90 | 26.70 | 27.15 | 87,024 | 2,349,613 | 27.000 | 26.90 | 26.80 | 26.90 | 26.70 | 27.15 | 87,024 | 27.000 | 0.56% |
| 2011-03-02 | 0 | 26.75 | 26.70 | 26.80 | 26.65 | 27.00 | 80,500 | 2,155,213 | 26.773 | 26.75 | 26.70 | 26.80 | 26.65 | 27.00 | 80,500 | 26.773 | 0.56% |
| 2011-03-01 | 0 | 26.60 | 26.50 | 26.75 | 26.45 | 26.60 | 123,250 | 3,270,675 | 26.537 | 26.60 | 26.50 | 26.75 | 26.45 | 26.60 | 123,250 | 26.537 | 0.38% |
| 2011-02-28 | 0 | 26.50 | 26.50 | 26.55 | 26.30 | 26.50 | 43,750 | 1,157,238 | 26.451 | 26.50 | 26.50 | 26.55 | 26.30 | 26.50 | 43,750 | 26.451 | 1.34% |
| 2011-02-25 | 0 | 26.15 | 25.95 | 26.15 | 25.80 | 26.40 | 67,250 | 1,755,725 | 26.107 | 26.15 | 25.95 | 26.15 | 25.80 | 26.40 | 67,250 | 26.107 | -0.38% |
| 2011-02-24 | 0 | 26.25 | 26.25 | 26.30 | 26.00 | 26.35 | 147,000 | 3,839,613 | 26.120 | 26.25 | 26.25 | 26.30 | 26.00 | 26.35 | 147,000 | 26.120 | 1.94% |
| 2011-02-23 | 0 | 25.75 | 25.75 | 25.80 | 25.70 | 26.30 | 59,250 | 1,533,563 | 25.883 | 25.75 | 25.75 | 25.80 | 25.70 | 26.30 | 59,250 | 25.883 | -2.09% |
| 2011-02-22 | 0 | 26.30 | 26.25 | 26.30 | 26.00 | 26.65 | 112,750 | 2,973,613 | 26.374 | 26.30 | 26.25 | 26.30 | 26.00 | 26.65 | 112,750 | 26.374 | 1.74% |
| 2011-02-21 | 0 | 25.85 | 25.85 | 25.90 | 25.70 | 26.00 | 61,500 | 1,589,438 | 25.845 | 25.85 | 25.85 | 25.90 | 25.70 | 26.00 | 61,500 | 25.845 | 0.98% |
| 2011-02-18 | 0 | 25.60 | 25.50 | 25.60 | 25.50 | 25.70 | 78,030 | 2,000,584 | 25.639 | 25.60 | 25.50 | 25.60 | 25.50 | 25.70 | 78,030 | 25.639 | 0.20% |
| 2011-02-17 | 0 | 25.55 | 25.50 | 25.55 | 25.40 | 25.55 | 34,500 | 880,375 | 25.518 | 25.55 | 25.50 | 25.55 | 25.40 | 25.55 | 34,500 | 25.518 | 0.59% |
| 2011-02-16 | 0 | 25.40 | 25.35 | 25.40 | 25.35 | 25.50 | 51,315 | 1,303,058 | 25.393 | 25.40 | 25.35 | 25.40 | 25.35 | 25.50 | 51,315 | 25.393 | -0.39% |
| 2011-02-15 | 0 | 25.50 | 25.45 | 25.50 | 25.35 | 25.60 | 24,750 | 631,200 | 25.503 | 25.50 | 25.45 | 25.50 | 25.35 | 25.60 | 24,750 | 25.503 | 0.00% |
| 2011-02-14 | 0 | 25.50 | 25.35 | 25.60 | 25.30 | 25.60 | 50,500 | 1,285,925 | 25.464 | 25.50 | 25.35 | 25.60 | 25.30 | 25.60 | 50,500 | 25.464 | -0.20% |
| 2011-02-11 | 0 | 25.55 | 25.50 | 25.60 | 25.50 | 25.60 | 43,750 | 1,118,163 | 25.558 | 25.55 | 25.50 | 25.60 | 25.50 | 25.60 | 43,750 | 25.558 | 0.00% |
| 2011-02-10 | 0 | 25.55 | 25.50 | 25.55 | 25.45 | 25.60 | 47,292 | 1,206,498 | 25.512 | 25.55 | 25.50 | 25.55 | 25.45 | 25.60 | 47,292 | 25.512 | 0.99% |
| 2011-02-09 | 0 | 25.30 | 25.30 | 25.50 | 25.25 | 25.35 | 68,770 | 1,738,957 | 25.287 | 25.30 | 25.30 | 25.50 | 25.25 | 25.35 | 68,770 | 25.287 | -0.20% |
| 2011-02-08 | 0 | 25.35 | 25.35 | 25.40 | 25.30 | 25.65 | 32,250 | 819,300 | 25.405 | 25.35 | 25.35 | 25.40 | 25.30 | 25.65 | 32,250 | 25.405 | -0.20% |
| 2011-02-07 | 0 | 25.40 | 25.40 | 25.55 | 25.40 | 25.80 | 132,291 | 3,380,810 | 25.556 | 25.40 | 25.40 | 25.55 | 25.40 | 25.80 | 132,291 | 25.556 | -1.17% |
| 2011-02-02 | 0 | 25.70 | 25.70 | 25.85 | 25.70 | 25.80 | 45,250 | 1,163,750 | 25.718 | 25.70 | 25.70 | 25.85 | 25.70 | 25.80 | 45,250 | 25.718 | 0.00% |
| 2011-02-01 | 0 | 25.70 | 25.60 | 25.70 | 25.50 | 25.85 | 61,750 | 1,582,775 | 25.632 | 25.70 | 25.60 | 25.70 | 25.50 | 25.85 | 61,750 | 25.632 | 1.58% |
| 2011-01-31 | 0 | 25.30 | 25.25 | 25.50 | 25.15 | 25.30 | 38,250 | 964,375 | 25.212 | 25.30 | 25.25 | 25.50 | 25.15 | 25.30 | 38,250 | 25.212 | 1.81% |
| 2011-01-28 | 0 | 24.85 | 24.75 | 24.85 | 24.70 | 25.00 | 31,750 | 789,938 | 24.880 | 24.85 | 24.75 | 24.85 | 24.70 | 25.00 | 31,750 | 24.880 | -0.60% |
| 2011-01-27 | 0 | 25.00 | 24.95 | 25.00 | 24.80 | 25.05 | 50,000 | 1,248,300 | 24.966 | 25.00 | 24.95 | 25.00 | 24.80 | 25.05 | 50,000 | 24.966 | 1.63% |
| 2011-01-26 | 0 | 24.60 | 24.60 | 24.70 | 24.60 | 24.90 | 65,000 | 1,607,425 | 24.730 | 24.60 | 24.60 | 24.70 | 24.60 | 24.90 | 65,000 | 24.730 | -1.20% |
| 2011-01-25 | 0 | 24.90 | 24.85 | 24.95 | 24.90 | 25.15 | 64,250 | 1,602,425 | 24.940 | 24.90 | 24.85 | 24.95 | 24.90 | 25.15 | 64,250 | 24.940 | -1.39% |
| 2011-01-24 | 0 | 25.25 | 25.20 | 25.25 | 24.90 | 25.30 | 41,750 | 1,052,125 | 25.201 | 25.25 | 25.20 | 25.25 | 24.90 | 25.30 | 41,750 | 25.201 | 1.61% |
| 2011-01-21 | 0 | 24.85 | 24.80 | 24.85 | 24.75 | 24.95 | 152,750 | 3,786,100 | 24.786 | 24.85 | 24.80 | 24.85 | 24.75 | 24.95 | 152,750 | 24.786 | 0.00% |
| 2011-01-20 | 0 | 24.85 | 24.80 | 24.85 | 24.85 | 25.30 | 32,000 | 800,350 | 25.011 | 24.85 | 24.80 | 24.85 | 24.85 | 25.30 | 32,000 | 25.011 | -1.39% |
| 2011-01-19 | 0 | 25.20 | 25.10 | 25.20 | 25.10 | 25.20 | 17,000 | 427,000 | 25.118 | 25.20 | 25.10 | 25.20 | 25.10 | 25.20 | 17,000 | 25.118 | 1.00% |
| 2011-01-18 | 0 | 24.95 | 24.95 | 25.00 | 24.80 | 25.35 | 28,500 | 712,600 | 25.004 | 24.95 | 24.95 | 25.00 | 24.80 | 25.35 | 28,500 | 25.004 | -0.60% |
| 2011-01-17 | 0 | 25.10 | 25.00 | 25.10 | 25.00 | 25.15 | 39,000 | 979,563 | 25.117 | 25.10 | 25.00 | 25.10 | 25.00 | 25.15 | 39,000 | 25.117 | 0.60% |
| 2011-01-14 | 0 | 24.95 | 24.90 | 24.95 | 24.95 | 25.00 | 42,000 | 1,049,163 | 24.980 | 24.95 | 24.90 | 24.95 | 24.95 | 25.00 | 42,000 | 24.980 | -0.60% |
| 2011-01-13 | 0 | 25.10 | 25.05 | 25.10 | 25.00 | 25.10 | 26,750 | 670,450 | 25.064 | 25.10 | 25.05 | 25.10 | 25.00 | 25.10 | 26,750 | 25.064 | 0.80% |
| 2011-01-12 | 0 | 24.90 | 24.85 | 24.90 | 24.70 | 24.90 | 27,250 | 677,013 | 24.845 | 24.90 | 24.85 | 24.90 | 24.70 | 24.90 | 27,250 | 24.845 | 1.63% |
| 2011-01-11 | 0 | 24.50 | 24.50 | 24.55 | 24.40 | 24.55 | 141,750 | 3,476,500 | 24.526 | 24.50 | 24.50 | 24.55 | 24.40 | 24.55 | 141,750 | 24.526 | 0.62% |
| 2011-01-10 | 0 | 24.35 | 24.30 | 24.35 | 24.25 | 24.45 | 32,750 | 797,013 | 24.336 | 24.35 | 24.30 | 24.35 | 24.25 | 24.45 | 32,750 | 24.336 | 0.21% |
| 2011-01-07 | 0 | 24.30 | 24.20 | 24.30 | 24.25 | 24.65 | 42,250 | 1,030,075 | 24.380 | 24.30 | 24.20 | 24.30 | 24.25 | 24.65 | 42,250 | 24.380 | -1.62% |
| 2011-01-06 | 0 | 24.70 | 24.65 | 24.70 | 24.65 | 25.00 | 37,250 | 921,325 | 24.734 | 24.70 | 24.65 | 24.70 | 24.65 | 25.00 | 37,250 | 24.734 | 0.82% |
| 2011-01-05 | 0 | 24.50 | 24.40 | 24.75 | 24.30 | 24.80 | 47,500 | 1,162,688 | 24.478 | 24.50 | 24.40 | 24.75 | 24.30 | 24.80 | 47,500 | 24.478 | -1.61% |
| 2011-01-04 | 0 | 24.90 | 24.85 | 24.95 | 24.90 | 25.00 | 84,250 | 2,101,100 | 24.939 | 24.90 | 24.85 | 24.95 | 24.90 | 25.00 | 84,250 | 24.939 | -0.40% |
| 2011-01-03 | 0 | 25.00 | 24.95 | 25.05 | 24.80 | 25.00 | 67,750 | 1,690,100 | 24.946 | 25.00 | 24.95 | 25.05 | 24.80 | 25.00 | 67,750 | 24.946 | 2.04% |
| 2010-12-31 | 0 | 24.50 | 24.50 | 24.55 | 24.45 | 24.80 | 24,000 | 589,550 | 24.565 | 24.50 | 24.50 | 24.55 | 24.45 | 24.80 | 24,000 | 24.565 | -1.21% |
| 2010-12-30 | 0 | 24.80 | 24.75 | 24.80 | 24.75 | 24.85 | 28,250 | 700,463 | 24.795 | 24.80 | 24.75 | 24.80 | 24.75 | 24.85 | 28,250 | 24.795 | 0.00% |
| 2010-12-29 | 0 | 24.80 | 24.75 | 24.80 | 24.60 | 24.80 | 51,500 | 1,275,850 | 24.774 | 24.80 | 24.75 | 24.80 | 24.60 | 24.80 | 51,500 | 24.774 | 0.81% |
| 2010-12-28 | 0 | 24.60 | 24.60 | 24.65 | 24.60 | 24.80 | 35,250 | 871,063 | 24.711 | 24.60 | 24.60 | 24.65 | 24.60 | 24.80 | 35,250 | 24.711 | -0.40% |
| 2010-12-24 | 0 | 24.70 | 24.60 | 24.70 | 24.60 | 24.70 | 15,000 | 369,825 | 24.655 | 24.70 | 24.60 | 24.70 | 24.60 | 24.70 | 15,000 | 24.655 | 0.61% |
| 2010-12-23 | 0 | 24.55 | 24.40 | 24.70 | 24.50 | 24.65 | 54,250 | 1,332,738 | 24.567 | 24.55 | 24.40 | 24.70 | 24.50 | 24.65 | 54,250 | 24.567 | 0.61% |
| 2010-12-22 | 0 | 24.40 | 24.40 | 24.50 | 24.40 | 24.50 | 14,250 | 348,375 | 24.447 | 24.40 | 24.40 | 24.50 | 24.40 | 24.50 | 14,250 | 24.447 | 0.00% |
| 2010-12-21 | 0 | 24.40 | 24.25 | 24.40 | 24.25 | 24.40 | 56,750 | 1,379,750 | 24.313 | 24.40 | 24.25 | 24.40 | 24.25 | 24.40 | 56,750 | 24.313 | 1.24% |
| 2010-12-20 | 0 | 24.10 | 24.10 | 24.20 | 23.95 | 24.10 | 50,000 | 1,204,075 | 24.082 | 24.10 | 24.10 | 24.20 | 23.95 | 24.10 | 50,000 | 24.082 | 1.05% |
| 2010-12-17 | 0 | 23.85 | 23.80 | 23.90 | 23.80 | 23.85 | 44,750 | 1,066,550 | 23.834 | 23.85 | 23.80 | 23.90 | 23.80 | 23.85 | 44,750 | 23.834 | 0.21% |
| 2010-12-16 | 0 | 23.80 | 23.70 | 23.90 | 23.70 | 23.95 | 11,000 | 261,950 | 23.814 | 23.80 | 23.70 | 23.90 | 23.70 | 23.95 | 11,000 | 23.814 | 0.42% |
| 2010-12-15 | 0 | 23.70 | 23.70 | 23.85 | 23.70 | 24.25 | 39,000 | 926,888 | 23.766 | 23.70 | 23.70 | 23.85 | 23.70 | 24.25 | 39,000 | 23.766 | -1.25% |
| 2010-12-14 | 0 | 24.00 | 23.90 | 24.00 | 23.75 | 24.00 | 37,250 | 888,538 | 23.853 | 24.00 | 23.90 | 24.00 | 23.75 | 24.00 | 37,250 | 23.853 | 1.27% |
| 2010-12-13 | 0 | 23.70 | 23.65 | 23.75 | 23.60 | 23.70 | 81,681 | 1,930,156 | 23.630 | 23.70 | 23.65 | 23.75 | 23.60 | 23.70 | 81,681 | 23.630 | 0.00% |
| 2010-12-10 | 0 | 23.70 | 23.70 | 23.80 | 23.60 | 23.70 | 20,250 | 479,025 | 23.656 | 23.70 | 23.70 | 23.80 | 23.60 | 23.70 | 20,250 | 23.656 | -0.21% |
| 2010-12-09 | 0 | 23.75 | 23.75 | 23.80 | 23.70 | 23.70 | 49,000 | 1,161,300 | 23.700 | 23.75 | 23.75 | 23.80 | 23.70 | 23.70 | 49,000 | 23.700 | 1.71% |
| 2010-12-08 | 0 | 23.35 | 23.35 | 23.50 | 23.35 | 23.90 | 26,500 | 621,600 | 23.457 | 23.35 | 23.35 | 23.50 | 23.35 | 23.90 | 26,500 | 23.457 | -1.68% |
| 2010-12-07 | 0 | 23.75 | 23.60 | 23.90 | 23.70 | 23.95 | 31,500 | 748,550 | 23.763 | 23.75 | 23.60 | 23.90 | 23.70 | 23.95 | 31,500 | 23.763 | 0.21% |
| 2010-12-06 | 0 | 23.70 | 23.70 | 23.80 | 23.65 | 23.75 | 27,750 | 658,488 | 23.729 | 23.70 | 23.70 | 23.80 | 23.65 | 23.75 | 27,750 | 23.729 | 1.28% |
| 2010-12-03 | 0 | 23.40 | 23.30 | 23.45 | 23.25 | 23.40 | 34,901 | 814,433 | 23.336 | 23.40 | 23.30 | 23.45 | 23.25 | 23.40 | 34,901 | 23.336 | 1.30% |
| 2010-12-02 | 0 | 23.10 | 23.05 | 23.30 | 23.05 | 23.20 | 61,250 | 1,414,613 | 23.096 | 23.10 | 23.05 | 23.30 | 23.05 | 23.20 | 61,250 | 23.096 | 1.99% |
| 2010-12-01 | 0 | 22.65 | 22.45 | 23.00 | 22.50 | 22.70 | 35,750 | 807,550 | 22.589 | 22.65 | 22.45 | 23.00 | 22.50 | 22.70 | 35,750 | 22.589 | 0.00% |
| 2010-11-30 | 0 | 22.65 | 22.60 | 22.70 | 22.55 | 22.70 | 14,500 | 327,288 | 22.572 | 22.65 | 22.60 | 22.70 | 22.55 | 22.70 | 14,500 | 22.572 | 0.00% |
| 2010-11-29 | 0 | 22.65 | 22.60 | 22.70 | 22.55 | 22.65 | 7,750 | 175,188 | 22.605 | 22.65 | 22.60 | 22.70 | 22.55 | 22.65 | 7,750 | 22.605 | 0.89% |
| 2010-11-26 | 0 | 22.45 | 22.50 | 22.60 | 22.45 | 22.60 | 71,500 | 1,608,538 | 22.497 | 22.45 | 22.50 | 22.60 | 22.45 | 22.60 | 71,500 | 22.497 | -0.44% |
| 2010-11-25 | 0 | 22.55 | 22.50 | 22.65 | 22.55 | 22.95 | 76,500 | 1,727,600 | 22.583 | 22.55 | 22.50 | 22.65 | 22.55 | 22.95 | 76,500 | 22.583 | 0.67% |
| 2010-11-24 | 0 | 22.40 | 22.15 | 22.40 | 22.30 | 22.45 | 19,500 | 435,425 | 22.329 | 22.40 | 22.15 | 22.40 | 22.30 | 22.45 | 19,500 | 22.329 | 1.13% |
| 2010-11-23 | 0 | 22.15 | 22.00 | 22.20 | 22.10 | 22.40 | 10,500 | 233,650 | 22.252 | 22.15 | 22.00 | 22.20 | 22.10 | 22.40 | 10,500 | 22.252 | -1.34% |
| 2010-11-22 | 0 | 22.45 | 22.40 | 22.55 | 22.40 | 22.65 | 24,750 | 557,550 | 22.527 | 22.45 | 22.40 | 22.55 | 22.40 | 22.65 | 24,750 | 22.527 | -0.44% |
| 2010-11-19 | 0 | 22.55 | 22.55 | 22.60 | 22.45 | 22.65 | 29,750 | 670,488 | 22.537 | 22.55 | 22.55 | 22.60 | 22.45 | 22.65 | 29,750 | 22.537 | 1.12% |
| 2010-11-18 | 0 | 22.30 | 22.30 | 22.35 | 21.70 | 22.30 | 21,000 | 463,250 | 22.060 | 22.30 | 22.30 | 22.35 | 21.70 | 22.30 | 21,000 | 22.060 | 1.59% |
| 2010-11-17 | 0 | 21.95 | 21.80 | 22.00 | 21.90 | 22.45 | 53,500 | 1,180,450 | 22.064 | 21.95 | 21.80 | 22.00 | 21.90 | 22.45 | 53,500 | 22.064 | -3.09% |
| 2010-11-16 | 0 | 22.65 | 22.50 | 22.70 | 22.65 | 22.85 | 72,250 | 1,643,563 | 22.748 | 22.65 | 22.50 | 22.70 | 22.65 | 22.85 | 72,250 | 22.748 | 0.00% |
| 2010-11-15 | 0 | 22.65 | 22.60 | 22.80 | 22.30 | 23.20 | 79,750 | 1,813,913 | 22.745 | 22.65 | 22.60 | 22.80 | 22.30 | 23.20 | 79,750 | 22.745 | -1.95% |
| 2010-11-12 | 0 | 23.10 | 23.10 | 23.15 | 23.10 | 23.70 | 160,750 | 3,733,550 | 23.226 | 23.10 | 23.10 | 23.15 | 23.10 | 23.70 | 160,750 | 23.226 | -3.14% |
| 2010-11-11 | 0 | 23.85 | 23.80 | 23.90 | 23.75 | 23.90 | 36,750 | 875,663 | 23.828 | 23.85 | 23.80 | 23.90 | 23.75 | 23.90 | 36,750 | 23.828 | 0.63% |
| 2010-11-10 | 0 | 23.70 | 23.65 | 23.75 | 23.50 | 23.80 | 116,500 | 2,766,088 | 23.743 | 23.70 | 23.65 | 23.75 | 23.50 | 23.80 | 116,500 | 23.743 | 0.21% |
| 2010-11-09 | 0 | 23.65 | 23.60 | 23.65 | 23.50 | 23.70 | 60,500 | 1,428,550 | 23.612 | 23.65 | 23.60 | 23.65 | 23.50 | 23.70 | 60,500 | 23.612 | 0.64% |
| 2010-11-08 | 0 | 23.50 | 23.40 | 23.50 | 23.40 | 23.55 | 77,750 | 1,825,388 | 23.478 | 23.50 | 23.40 | 23.50 | 23.40 | 23.55 | 77,750 | 23.478 | 0.21% |
| 2010-11-05 | 0 | 23.45 | 23.40 | 23.45 | 23.25 | 23.50 | 76,000 | 1,782,600 | 23.455 | 23.45 | 23.40 | 23.45 | 23.25 | 23.50 | 76,000 | 23.455 | 2.40% |
| 2010-11-04 | 0 | 22.90 | 22.85 | 22.95 | 22.85 | 22.95 | 41,750 | 955,488 | 22.886 | 22.90 | 22.85 | 22.95 | 22.85 | 22.95 | 41,750 | 22.886 | 0.44% |
| 2010-11-03 | 0 | 22.80 | 22.75 | 22.85 | 22.70 | 22.85 | 41,000 | 934,513 | 22.793 | 22.80 | 22.75 | 22.85 | 22.70 | 22.85 | 41,000 | 22.793 | 0.88% |
| 2010-11-02 | 0 | 22.60 | 22.50 | 22.60 | 22.60 | 22.80 | 21,750 | 492,975 | 22.666 | 22.60 | 22.50 | 22.60 | 22.60 | 22.80 | 21,750 | 22.666 | 0.00% |
| 2010-11-01 | 0 | 22.60 | 22.50 | 22.70 | 22.30 | 22.70 | 66,250 | 1,497,325 | 22.601 | 22.60 | 22.50 | 22.70 | 22.30 | 22.70 | 66,250 | 22.601 | 1.35% |
| 2010-10-29 | 0 | 22.30 | 22.30 | 22.40 | 22.30 | 22.40 | 15,000 | 335,750 | 22.383 | 22.30 | 22.30 | 22.40 | 22.30 | 22.40 | 15,000 | 22.383 | -0.67% |
| 2010-10-28 | 0 | 22.45 | 22.40 | 22.50 | 22.35 | 22.45 | 20,250 | 453,613 | 22.401 | 22.45 | 22.40 | 22.50 | 22.35 | 22.45 | 20,250 | 22.401 | 0.90% |
| 2010-10-27 | 0 | 22.25 | 22.20 | 22.35 | 22.20 | 22.50 | 30,500 | 679,650 | 22.284 | 22.25 | 22.20 | 22.35 | 22.20 | 22.50 | 30,500 | 22.284 | -0.22% |
| 2010-10-26 | 0 | 22.30 | 22.25 | 22.45 | 22.30 | 22.50 | 16,000 | 358,163 | 22.385 | 22.30 | 22.25 | 22.45 | 22.30 | 22.50 | 16,000 | 22.385 | -0.89% |
| 2010-10-25 | 0 | 22.50 | 22.45 | 22.60 | 22.25 | 22.50 | 13,250 | 296,288 | 22.361 | 22.50 | 22.45 | 22.60 | 22.25 | 22.50 | 13,250 | 22.361 | 1.81% |
| 2010-10-22 | 0 | 22.10 | 22.05 | 22.20 | 22.10 | 22.30 | 44,500 | 988,038 | 22.203 | 22.10 | 22.05 | 22.20 | 22.10 | 22.30 | 44,500 | 22.203 | -0.90% |
| 2010-10-21 | 0 | 22.30 | 22.25 | 22.40 | 22.20 | 22.40 | 18,000 | 401,225 | 22.290 | 22.30 | 22.25 | 22.40 | 22.20 | 22.40 | 18,000 | 22.290 | 1.13% |
| 2010-10-20 | 0 | 22.05 | 22.05 | 22.15 | 21.85 | 22.10 | 45,750 | 1,004,025 | 21.946 | 22.05 | 22.05 | 22.15 | 21.85 | 22.10 | 45,750 | 21.946 | -1.12% |
| 2010-10-19 | 0 | 22.30 | 22.25 | 22.40 | 22.15 | 22.35 | 50,000 | 1,113,888 | 22.278 | 22.30 | 22.25 | 22.40 | 22.15 | 22.35 | 50,000 | 22.278 | 1.59% |
| 2010-10-18 | 0 | 21.95 | 21.85 | 22.05 | 21.95 | 22.35 | 50,250 | 1,107,450 | 22.039 | 21.95 | 21.85 | 22.05 | 21.95 | 22.35 | 50,250 | 22.039 | -2.23% |
| 2010-10-15 | 0 | 22.45 | 22.45 | 22.60 | 22.45 | 22.60 | 59,000 | 1,328,263 | 22.513 | 22.45 | 22.45 | 22.60 | 22.45 | 22.60 | 59,000 | 22.513 | -0.88% |
| 2010-10-14 | 0 | 22.65 | 22.60 | 22.65 | 22.40 | 22.65 | 150,250 | 3,384,938 | 22.529 | 22.65 | 22.60 | 22.65 | 22.40 | 22.65 | 150,250 | 22.529 | 1.12% |
| 2010-10-13 | 0 | 22.40 | 22.40 | 22.50 | 22.25 | 22.45 | 89,750 | 2,003,725 | 22.326 | 22.40 | 22.40 | 22.50 | 22.25 | 22.45 | 89,750 | 22.326 | 1.82% |
| 2010-10-12 | 0 | 22.00 | 22.00 | 22.05 | 22.00 | 22.20 | 40,250 | 891,213 | 22.142 | 22.00 | 22.00 | 22.05 | 22.00 | 22.20 | 40,250 | 22.142 | -1.12% |
| 2010-10-11 | 0 | 22.25 | 22.25 | 22.30 | 22.15 | 22.30 | 77,250 | 1,718,638 | 22.248 | 22.25 | 22.25 | 22.30 | 22.15 | 22.30 | 77,250 | 22.248 | 3.49% |
| 2010-10-08 | 0 | 21.50 | 21.45 | 21.50 | 21.45 | 21.60 | 17,500 | 376,275 | 21.501 | 21.50 | 21.45 | 21.50 | 21.45 | 21.60 | 17,500 | 21.501 | -0.69% |
| 2010-10-07 | 0 | 21.65 | 21.65 | 21.75 | 21.55 | 21.70 | 63,500 | 1,371,863 | 21.604 | 21.65 | 21.65 | 21.75 | 21.55 | 21.70 | 63,500 | 21.604 | 0.23% |
| 2010-10-06 | 0 | 21.60 | 21.60 | 21.70 | 21.40 | 21.60 | 236,686 | 5,085,708 | 21.487 | 21.60 | 21.60 | 21.70 | 21.40 | 21.60 | 236,686 | 21.487 | 1.89% |
| 2010-10-05 | 0 | 21.20 | 21.15 | 21.25 | 21.15 | 21.30 | 12,750 | 270,275 | 21.198 | 21.20 | 21.15 | 21.25 | 21.15 | 21.30 | 12,750 | 21.198 | -0.47% |
| 2010-10-04 | 0 | 21.30 | 21.25 | 21.40 | 21.30 | 21.60 | 46,750 | 998,825 | 21.365 | 21.30 | 21.25 | 21.40 | 21.30 | 21.60 | 46,750 | 21.365 | -0.47% |
| 2010-09-30 | 0 | 21.40 | 21.30 | 21.40 | 21.25 | 21.40 | 11,250 | 240,000 | 21.333 | 21.40 | 21.30 | 21.40 | 21.25 | 21.40 | 11,250 | 21.333 | 0.94% |
| 2010-09-29 | 0 | 21.20 | 21.20 | 21.25 | 21.15 | 21.25 | 17,250 | 365,700 | 21.200 | 21.20 | 21.20 | 21.25 | 21.15 | 21.25 | 17,250 | 21.200 | 0.95% |
| 2010-09-28 | 0 | 21.00 | 21.00 | 21.15 | 21.00 | 21.25 | 177,000 | 3,729,000 | 21.068 | 21.00 | 21.00 | 21.15 | 21.00 | 21.25 | 177,000 | 21.068 | -0.71% |
| 2010-09-27 | 0 | 21.15 | 21.15 | 21.20 | 21.10 | 21.25 | 43,750 | 925,263 | 21.149 | 21.15 | 21.15 | 21.20 | 21.10 | 21.25 | 43,750 | 21.149 | 1.20% |
| 2010-09-24 | 0 | 20.90 | 20.90 | 21.00 | 20.80 | 20.95 | 39,000 | 815,150 | 20.901 | 20.90 | 20.90 | 21.00 | 20.80 | 20.95 | 39,000 | 20.901 | 0.24% |
| 2010-09-22 | 0 | 20.85 | 20.85 | 21.00 | 20.80 | 20.95 | 10,000 | 208,425 | 20.843 | 20.85 | 20.85 | 21.00 | 20.80 | 20.95 | 10,000 | 20.843 | -0.48% |
| 2010-09-21 | 0 | 20.95 | 20.80 | 20.95 | 20.80 | 21.00 | 18,250 | 382,013 | 20.932 | 20.95 | 20.80 | 20.95 | 20.80 | 21.00 | 18,250 | 20.932 | -0.24% |
| 2010-09-20 | 0 | 21.00 | 20.95 | 21.00 | 20.95 | 21.00 | 9,750 | 204,438 | 20.968 | 21.00 | 20.95 | 21.00 | 20.95 | 21.00 | 9,750 | 20.968 | 0.24% |
| 2010-09-17 | 0 | 20.95 | 20.95 | 21.00 | 20.85 | 20.95 | 24,750 | 516,838 | 20.882 | 20.95 | 20.95 | 21.00 | 20.85 | 20.95 | 24,750 | 20.882 | 0.96% |
| 2010-09-16 | 0 | 20.75 | 20.70 | 20.75 | 20.70 | 20.85 | 8,250 | 171,375 | 20.773 | 20.75 | 20.70 | 20.75 | 20.70 | 20.85 | 8,250 | 20.773 | -0.48% |
| 2010-09-15 | 0 | 20.85 | 20.60 | 20.90 | 20.80 | 20.85 | 16,750 | 348,863 | 20.828 | 20.85 | 20.60 | 20.90 | 20.80 | 20.85 | 16,750 | 20.828 | 0.72% |
| 2010-09-14 | 0 | 20.70 | 20.70 | 20.80 | 20.70 | 20.80 | 51,250 | 1,063,388 | 20.749 | 20.70 | 20.70 | 20.80 | 20.70 | 20.80 | 51,250 | 20.749 | 0.00% |
| 2010-09-13 | 0 | 20.70 | 20.70 | 20.85 | 20.65 | 20.70 | 7,000 | 144,775 | 20.682 | 20.70 | 20.70 | 20.85 | 20.65 | 20.70 | 7,000 | 20.682 | 0.00% |
| 2010-09-10 | 0 | 20.70 | 20.50 | 20.75 | 20.55 | 20.70 | 5,750 | 118,450 | 20.600 | 20.70 | 20.50 | 20.75 | 20.55 | 20.70 | 5,750 | 20.600 | 0.73% |
| 2010-09-09 | 0 | 20.55 | 20.35 | 21.00 | 20.50 | 20.55 | 25,500 | 523,163 | 20.516 | 20.55 | 20.35 | 21.00 | 20.50 | 20.55 | 25,500 | 20.516 | -0.24% |
| 2010-09-08 | 0 | 20.60 | 20.50 | 20.90 | 20.50 | 20.70 | 91,250 | 1,877,800 | 20.579 | 20.60 | 20.50 | 20.90 | 20.50 | 20.70 | 91,250 | 20.579 | 0.73% |
| 2010-09-07 | 0 | 20.45 | 20.40 | 20.50 | 20.45 | 20.50 | 49,750 | 1,019,688 | 20.496 | 20.45 | 20.40 | 20.50 | 20.45 | 20.50 | 49,750 | 20.496 | -0.24% |
| 2010-09-06 | 0 | 20.50 | 20.35 | 20.55 | 20.40 | 20.55 | 80,000 | 1,640,063 | 20.501 | 20.50 | 20.35 | 20.55 | 20.40 | 20.55 | 80,000 | 20.501 | 0.24% |
| 2010-09-03 | 0 | 20.45 | 20.40 | 20.45 | 20.35 | 20.50 | 33,250 | 679,200 | 20.427 | 20.45 | 20.40 | 20.45 | 20.35 | 20.50 | 33,250 | 20.427 | 1.24% |
| 2010-09-02 | 0 | 20.20 | 20.15 | 20.30 | 20.00 | 20.25 | 21,250 | 429,213 | 20.198 | 20.20 | 20.15 | 20.30 | 20.00 | 20.25 | 21,250 | 20.198 | 1.51% |
| 2010-09-01 | 0 | 19.90 | 19.80 | 19.94 | 19.86 | 19.90 | 45,750 | 909,780 | 19.886 | 19.90 | 19.80 | 19.94 | 19.86 | 19.90 | 45,750 | 19.886 | -0.30% |
| 2010-08-31 | 0 | 19.96 | 19.80 | 20.00 | 19.94 | 20.10 | 18,500 | 369,418 | 19.969 | 19.96 | 19.80 | 20.00 | 19.94 | 20.10 | 18,500 | 19.969 | -1.43% |
| 2010-08-30 | 0 | 20.25 | 20.15 | 20.45 | 20.25 | 20.30 | 5,500 | 111,400 | 20.255 | 20.25 | 20.15 | 20.45 | 20.25 | 20.30 | 5,500 | 20.255 | 2.07% |
| 2010-08-27 | 0 | 19.84 | 19.70 | 20.50 | 19.84 | 19.90 | 11,000 | 218,270 | 19.843 | 19.84 | 19.70 | 20.50 | 19.84 | 19.90 | 11,000 | 19.843 | 0.30% |
| 2010-08-26 | 0 | 19.78 | 19.78 | 19.82 | 19.74 | 19.78 | 34,750 | 686,515 | 19.756 | 19.78 | 19.78 | 19.82 | 19.74 | 19.78 | 34,750 | 19.756 | 0.10% |
| 2010-08-25 | 0 | 19.76 | 19.70 | 19.90 | 19.70 | 19.80 | 69,250 | 1,366,805 | 19.737 | 19.76 | 19.70 | 19.90 | 19.70 | 19.80 | 69,250 | 19.737 | -0.50% |
| 2010-08-24 | 0 | 19.86 | 19.80 | 19.92 | 19.82 | 19.96 | 53,750 | 1,070,100 | 19.909 | 19.86 | 19.80 | 19.92 | 19.82 | 19.96 | 53,750 | 19.909 | -1.44% |
| 2010-08-23 | 0 | 20.15 | 20.10 | 20.50 | 20.10 | 20.20 | 18,250 | 367,050 | 20.112 | 20.15 | 20.10 | 20.50 | 20.10 | 20.20 | 18,250 | 20.112 | 0.00% |
| 2010-08-20 | 0 | 20.15 | 20.15 | 20.20 | 20.15 | 20.25 | 42,000 | 849,263 | 20.221 | 20.15 | 20.15 | 20.20 | 20.15 | 20.25 | 42,000 | 20.221 | -0.98% |
| 2010-08-19 | 0 | 20.35 | 20.35 | 20.50 | 20.35 | 20.40 | 14,500 | 295,125 | 20.353 | 20.35 | 20.35 | 20.50 | 20.35 | 20.40 | 14,500 | 20.353 | 0.74% |
| 2010-08-18 | 0 | 20.20 | 20.15 | 20.25 | 20.20 | 20.40 | 21,750 | 442,200 | 20.331 | 20.20 | 20.15 | 20.25 | 20.20 | 20.40 | 21,750 | 20.331 | -0.49% |
| 2010-08-17 | 0 | 20.30 | 20.20 | 20.40 | 20.20 | 20.30 | 16,250 | 329,750 | 20.292 | 20.30 | 20.20 | 20.40 | 20.20 | 20.30 | 16,250 | 20.292 | 0.00% |
| 2010-08-16 | 0 | 20.30 | 20.20 | 20.40 | 20.20 | 20.50 | 25,750 | 520,963 | 20.232 | 20.30 | 20.20 | 20.40 | 20.20 | 20.50 | 25,750 | 20.232 | -0.25% |
| 2010-08-13 | 0 | 20.35 | 20.30 | 20.40 | 20.20 | 20.35 | 22,250 | 452,050 | 20.317 | 20.35 | 20.30 | 20.40 | 20.20 | 20.35 | 22,250 | 20.317 | 0.25% |
| 2010-08-12 | 0 | 20.30 | 20.15 | 20.30 | 20.00 | 20.30 | 45,750 | 919,225 | 20.092 | 20.30 | 20.15 | 20.30 | 20.00 | 20.30 | 45,750 | 20.092 | -0.49% |
| 2010-08-11 | 0 | 20.40 | 20.40 | 20.45 | 20.40 | 20.50 | 16,000 | 327,300 | 20.456 | 20.40 | 20.40 | 20.45 | 20.40 | 20.50 | 16,000 | 20.456 | -0.97% |
| 2010-08-10 | 0 | 20.60 | 20.50 | 20.65 | 20.50 | 20.80 | 49,750 | 1,023,000 | 20.563 | 20.60 | 20.50 | 20.65 | 20.50 | 20.80 | 49,750 | 20.563 | -1.20% |
| 2010-08-09 | 0 | 20.85 | 20.80 | 21.00 | 20.70 | 21.20 | 62,250 | 1,295,838 | 20.817 | 20.85 | 20.80 | 21.00 | 20.70 | 21.20 | 62,250 | 20.817 | -0.95% |
| 2010-08-06 | 0 | 21.05 | 20.95 | 21.10 | 20.85 | 21.05 | 137,074 | 2,873,275 | 20.961 | 21.05 | 20.95 | 21.10 | 20.85 | 21.05 | 137,074 | 20.961 | 0.48% |
| 2010-08-05 | 0 | 20.95 | 20.95 | 21.00 | 20.80 | 20.95 | 104,750 | 2,189,588 | 20.903 | 20.95 | 20.95 | 21.00 | 20.80 | 20.95 | 104,750 | 20.903 | 0.96% |
| 2010-08-04 | 0 | 20.75 | 20.65 | 20.75 | 20.70 | 20.75 | 29,541 | 612,701 | 20.741 | 20.75 | 20.65 | 20.75 | 20.70 | 20.75 | 29,541 | 20.741 | 0.00% |
| 2010-08-03 | 0 | 20.75 | 20.55 | 20.85 | 20.70 | 20.90 | 126,000 | 2,621,175 | 20.803 | 20.75 | 20.55 | 20.85 | 20.70 | 20.90 | 126,000 | 20.803 | 0.24% |
| 2010-08-02 | 0 | 20.70 | 20.60 | 20.75 | 20.60 | 20.70 | 77,250 | 1,596,288 | 20.664 | 20.70 | 20.60 | 20.75 | 20.60 | 20.70 | 77,250 | 20.664 | 1.97% |
| 2010-07-30 | 0 | 20.30 | 20.20 | 20.30 | 20.15 | 20.30 | 110,250 | 2,237,750 | 20.297 | 20.30 | 20.20 | 20.30 | 20.15 | 20.30 | 110,250 | 20.297 | 1.25% |
| 2010-07-29 | 0 | 20.05 | 20.00 | 20.10 | 20.00 | 20.05 | 15,500 | 310,550 | 20.035 | 20.05 | 20.00 | 20.10 | 20.00 | 20.05 | 15,500 | 20.035 | 0.75% |
| 2010-07-28 | 0 | 19.90 | 19.86 | 19.96 | 19.84 | 20.00 | 11,250 | 223,940 | 19.906 | 19.90 | 19.86 | 19.96 | 19.84 | 20.00 | 11,250 | 19.906 | -0.50% |
| 2010-07-27 | 0 | 20.00 | 19.96 | 20.00 | 20.00 | 20.10 | 23,250 | 465,388 | 20.017 | 20.00 | 19.96 | 20.00 | 20.00 | 20.10 | 23,250 | 20.017 | -0.25% |
| 2010-07-26 | 0 | 20.05 | - | 20.10 | 20.00 | 20.10 | 26,500 | 531,688 | 20.064 | 20.05 | - | 20.10 | 20.00 | 20.10 | 26,500 | 20.064 | -0.25% |
| 2010-07-23 | 0 | 20.10 | 20.00 | 20.15 | 19.80 | 20.15 | 85,500 | 1,714,563 | 20.053 | 20.10 | 20.00 | 20.15 | 19.80 | 20.15 | 85,500 | 20.053 | 2.13% |
| 2010-07-22 | 0 | 19.68 | 19.66 | 19.70 | 19.60 | 19.66 | 9,000 | 176,560 | 19.618 | 19.68 | 19.66 | 19.70 | 19.60 | 19.66 | 9,000 | 19.618 | -0.20% |
| 2010-07-21 | 0 | 19.72 | 19.70 | 19.76 | 19.68 | 19.90 | 29,000 | 571,230 | 19.698 | 19.72 | 19.70 | 19.76 | 19.68 | 19.90 | 29,000 | 19.698 | 0.20% |
| 2010-07-20 | 0 | 19.68 | 19.60 | 19.70 | 19.68 | 19.72 | 13,250 | 260,780 | 19.682 | 19.68 | 19.60 | 19.70 | 19.68 | 19.72 | 13,250 | 19.682 | -0.10% |
| 2010-07-19 | 0 | 19.70 | 19.70 | 19.72 | 19.68 | 20.00 | 6,500 | 128,225 | 19.727 | 19.70 | 19.70 | 19.72 | 19.68 | 20.00 | 6,500 | 19.727 | -1.01% |
| 2010-07-16 | 0 | 19.90 | 19.86 | 19.92 | 19.84 | 19.90 | 28,750 | 571,450 | 19.877 | 19.90 | 19.86 | 19.92 | 19.84 | 19.90 | 28,750 | 19.877 | 1.12% |
| 2010-07-15 | 0 | 19.68 | 19.50 | 20.00 | 19.60 | 19.70 | 14,500 | 285,285 | 19.675 | 19.68 | 19.50 | 20.00 | 19.60 | 19.70 | 14,500 | 19.675 | -0.10% |
| 2010-07-14 | 0 | 19.70 | 19.50 | 19.76 | 19.40 | 19.70 | 209,750 | 4,115,580 | 19.621 | 19.70 | 19.50 | 19.76 | 19.40 | 19.70 | 209,750 | 19.621 | 1.86% |
| 2010-07-13 | 0 | 19.34 | 19.30 | 19.42 | 19.32 | 19.40 | 5,750 | 111,140 | 19.329 | 19.34 | 19.30 | 19.42 | 19.32 | 19.40 | 5,750 | 19.329 | -0.72% |
| 2010-07-12 | 0 | 19.48 | 19.46 | 19.58 | 19.48 | 19.52 | 22,000 | 428,840 | 19.493 | 19.48 | 19.46 | 19.58 | 19.48 | 19.52 | 22,000 | 19.493 | -0.51% |
| 2010-07-09 | 0 | 19.58 | 19.56 | 19.64 | 19.56 | 19.62 | 64,000 | 1,252,225 | 19.566 | 19.58 | 19.56 | 19.64 | 19.56 | 19.62 | 64,000 | 19.566 | 0.31% |
| 2010-07-08 | 0 | 19.52 | 19.52 | 19.56 | 19.20 | 19.56 | 70,250 | 1,369,275 | 19.491 | 19.52 | 19.52 | 19.56 | 19.20 | 19.56 | 70,250 | 19.491 | 2.20% |
| 2010-07-07 | 0 | 19.10 | 19.00 | 19.30 | 19.10 | 19.20 | 5,500 | 105,195 | 19.126 | 19.10 | 19.00 | 19.30 | 19.10 | 19.20 | 5,500 | 19.126 | -0.73% |
| 2010-07-06 | 0 | 19.24 | 19.10 | 19.30 | 19.12 | 19.18 | 34,750 | 665,680 | 19.156 | 19.24 | 19.10 | 19.30 | 19.12 | 19.18 | 34,750 | 19.156 | 0.21% |
| 2010-07-05 | 0 | 19.20 | 19.10 | 19.40 | 19.20 | 19.40 | 12,500 | 240,395 | 19.232 | 19.20 | 19.10 | 19.40 | 19.20 | 19.40 | 12,500 | 19.232 | -0.52% |
| 2010-07-02 | 0 | 19.30 | 19.22 | 19.50 | 19.30 | 19.40 | 43,000 | 831,300 | 19.333 | 19.30 | 19.22 | 19.50 | 19.30 | 19.40 | 43,000 | 19.333 | -0.21% |
| 2010-06-30 | 0 | 19.34 | 19.30 | 19.60 | 19.24 | 19.60 | 29,500 | 569,995 | 19.322 | 19.34 | 19.30 | 19.60 | 19.24 | 19.60 | 29,500 | 19.322 | -1.23% |
| 2010-06-29 | 0 | 19.58 | 19.50 | 19.66 | 19.56 | 19.98 | 86,000 | 1,700,705 | 19.776 | 19.58 | 19.50 | 19.66 | 19.56 | 19.98 | 86,000 | 19.776 | -1.81% |
| 2010-06-28 | 0 | 19.94 | 19.80 | 19.96 | 19.80 | 19.96 | 39,500 | 787,200 | 19.929 | 19.94 | 19.80 | 19.96 | 19.80 | 19.96 | 39,500 | 19.929 | 1.42% |
| 2010-06-25 | 0 | 19.66 | 19.52 | 19.70 | 19.66 | 19.80 | 15,000 | 295,110 | 19.674 | 19.66 | 19.52 | 19.70 | 19.66 | 19.80 | 15,000 | 19.674 | 0.72% |
| 2010-06-24 | 0 | 19.52 | 19.50 | 19.58 | 19.52 | 19.58 | 5,250 | 102,730 | 19.568 | 19.52 | 19.50 | 19.58 | 19.52 | 19.58 | 5,250 | 19.568 | -1.21% |
| 2010-06-23 | 0 | 19.76 | 19.64 | 20.00 | 19.22 | 19.76 | 60,500 | 1,188,880 | 19.651 | 19.76 | 19.64 | 20.00 | 19.22 | 19.76 | 60,500 | 19.651 | 0.00% |
| 2010-06-22 | 0 | 19.76 | 19.50 | 19.80 | 19.74 | 20.00 | 20,500 | 405,820 | 19.796 | 19.76 | 19.50 | 19.80 | 19.74 | 20.00 | 20,500 | 19.796 | -1.45% |
| 2010-06-21 | 0 | 20.05 | 19.94 | 20.10 | 19.86 | 20.05 | 49,250 | 981,505 | 19.929 | 20.05 | 19.94 | 20.10 | 19.86 | 20.05 | 49,250 | 19.929 | 1.47% |
| 2010-06-18 | 0 | 19.76 | 19.70 | 19.80 | 19.76 | 20.00 | 47,000 | 932,340 | 19.837 | 19.76 | 19.70 | 19.80 | 19.76 | 20.00 | 47,000 | 19.837 | -0.20% |
| 2010-06-17 | 0 | 19.80 | 19.70 | 19.80 | 19.70 | 19.86 | 21,000 | 415,840 | 19.802 | 19.80 | 19.70 | 19.80 | 19.70 | 19.86 | 21,000 | 19.802 | 1.33% |
| 2010-06-15 | 0 | 19.54 | 19.50 | 19.58 | 19.54 | 19.58 | 15,750 | 307,915 | 19.550 | 19.54 | 19.50 | 19.58 | 19.54 | 19.58 | 15,750 | 19.550 | 0.31% |
| 2010-06-14 | 0 | 19.48 | 19.40 | 19.54 | 19.32 | 19.48 | 6,750 | 131,240 | 19.443 | 19.48 | 19.40 | 19.54 | 19.32 | 19.48 | 6,750 | 19.443 | 1.46% |
| 2010-06-11 | 0 | 19.20 | 19.18 | 19.30 | 19.20 | 19.26 | 43,250 | 831,750 | 19.231 | 19.20 | 19.18 | 19.30 | 19.20 | 19.26 | 43,250 | 19.231 | 0.42% |
| 2010-06-10 | 0 | 19.12 | 19.10 | 19.14 | 19.08 | 19.18 | 11,250 | 214,850 | 19.098 | 19.12 | 19.10 | 19.14 | 19.08 | 19.18 | 11,250 | 19.098 | 1.06% |
| 2010-06-09 | 0 | 18.92 | 18.90 | 24.00 | 18.86 | 18.96 | 19,500 | 367,985 | 18.871 | 18.92 | 18.90 | 24.00 | 18.86 | 18.96 | 19,500 | 18.871 | 0.32% |
| 2010-06-08 | 0 | 18.86 | 18.80 | 18.88 | 18.78 | 18.86 | 28,000 | 527,325 | 18.833 | 18.86 | 18.80 | 18.88 | 18.78 | 18.86 | 28,000 | 18.833 | 1.40% |
| 2010-06-07 | 0 | 18.60 | 18.60 | 18.68 | 18.60 | 18.86 | 26,250 | 490,020 | 18.667 | 18.60 | 18.60 | 18.68 | 18.60 | 18.86 | 26,250 | 18.667 | -3.02% |
| 2010-06-04 | 0 | 19.18 | 19.00 | 19.30 | 19.14 | 19.20 | 16,750 | 321,530 | 19.196 | 19.18 | 19.00 | 19.30 | 19.14 | 19.20 | 16,750 | 19.196 | -0.31% |
| 2010-06-03 | 0 | 19.24 | 19.22 | 19.30 | 19.00 | 19.24 | 21,750 | 416,305 | 19.140 | 19.24 | 19.22 | 19.30 | 19.00 | 19.24 | 21,750 | 19.140 | 1.26% |
| 2010-06-02 | 0 | 19.00 | 18.94 | 19.00 | 18.94 | 19.02 | 24,000 | 455,890 | 18.995 | 19.00 | 18.94 | 19.00 | 18.94 | 19.02 | 24,000 | 18.995 | -0.31% |
| 2010-06-01 | 0 | 19.06 | 19.00 | 19.22 | 19.06 | 19.26 | 32,000 | 612,975 | 19.155 | 19.06 | 19.00 | 19.22 | 19.06 | 19.26 | 32,000 | 19.155 | -1.04% |
| 2010-05-31 | 0 | 19.26 | 19.22 | 19.28 | 19.20 | 19.50 | 48,250 | 929,555 | 19.265 | 19.26 | 19.22 | 19.28 | 19.20 | 19.50 | 48,250 | 19.265 | -0.82% |
| 2010-05-28 | 0 | 19.42 | 19.22 | 19.42 | 19.42 | 19.52 | 15,750 | 306,580 | 19.465 | 19.42 | 19.22 | 19.42 | 19.42 | 19.52 | 15,750 | 19.465 | 1.36% |
| 2010-05-27 | 0 | 19.16 | 19.10 | 19.22 | 18.98 | 19.16 | 27,500 | 524,460 | 19.071 | 19.16 | 19.10 | 19.22 | 18.98 | 19.16 | 27,500 | 19.071 | 1.16% |
| 2010-05-26 | 0 | 18.94 | 18.88 | 19.00 | 18.72 | 18.94 | 48,000 | 907,245 | 18.901 | 18.94 | 18.88 | 19.00 | 18.72 | 18.94 | 48,000 | 18.901 | 1.18% |
| 2010-05-25 | 0 | 18.72 | 18.70 | 18.74 | 18.72 | 19.20 | 78,750 | 1,486,795 | 18.880 | 18.72 | 18.70 | 18.74 | 18.72 | 19.20 | 78,750 | 18.880 | -2.19% |
| 2010-05-24 | 0 | 19.14 | 19.14 | 19.50 | 19.02 | 19.22 | 66,500 | 1,270,695 | 19.108 | 19.14 | 19.14 | 19.50 | 19.02 | 19.22 | 66,500 | 19.108 | -0.42% |
| 2010-05-20 | 0 | 19.22 | 19.20 | 19.22 | 19.06 | 19.22 | 110,000 | 2,105,085 | 19.137 | 19.22 | 19.20 | 19.22 | 19.06 | 19.22 | 110,000 | 19.137 | 0.52% |
| 2010-05-19 | 0 | 19.12 | 19.10 | 19.16 | 19.10 | 19.26 | 24,000 | 459,060 | 19.128 | 19.12 | 19.10 | 19.16 | 19.10 | 19.26 | 24,000 | 19.128 | -0.73% |
| 2010-05-18 | 0 | 19.26 | 19.24 | 19.30 | 19.00 | 19.28 | 68,250 | 1,312,735 | 19.234 | 19.26 | 19.24 | 19.30 | 19.00 | 19.28 | 68,250 | 19.234 | -0.31% |
| 2010-05-17 | 0 | 19.32 | 19.30 | 19.80 | 19.30 | 19.90 | 68,750 | 1,344,655 | 19.559 | 19.32 | 19.30 | 19.80 | 19.30 | 19.90 | 68,750 | 19.559 | -3.30% |
| 2010-05-14 | 0 | 19.98 | 19.94 | 20.10 | 19.94 | 20.10 | 18,750 | 374,475 | 19.972 | 19.98 | 19.94 | 20.10 | 19.94 | 20.10 | 18,750 | 19.972 | -1.33% |
| 2010-05-13 | 0 | 20.25 | 20.15 | 20.25 | 19.96 | 20.25 | 13,750 | 277,185 | 20.159 | 20.25 | 20.15 | 20.25 | 19.96 | 20.25 | 13,750 | 20.159 | 1.55% |
| 2010-05-12 | 0 | 19.94 | 19.94 | 20.00 | 19.90 | 19.94 | 23,750 | 472,810 | 19.908 | 19.94 | 19.94 | 20.00 | 19.90 | 19.94 | 23,750 | 19.908 | 0.10% |
| 2010-05-11 | 0 | 19.92 | 19.86 | 20.30 | 19.86 | 20.30 | 201,750 | 4,019,795 | 19.925 | 19.92 | 19.86 | 20.30 | 19.86 | 20.30 | 201,750 | 19.925 | -1.39% |
| 2010-05-10 | 0 | 20.20 | 20.10 | 20.30 | 19.84 | 20.25 | 107,750 | 2,155,075 | 20.001 | 20.20 | 20.10 | 20.30 | 19.84 | 20.25 | 107,750 | 20.001 | 2.02% |
| 2010-05-07 | 0 | 19.80 | 19.78 | 19.84 | 19.74 | 19.96 | 126,000 | 2,494,540 | 19.798 | 19.80 | 19.78 | 19.84 | 19.74 | 19.96 | 126,000 | 19.798 | -1.74% |
| 2010-05-06 | 0 | 20.15 | 20.10 | 20.15 | 20.05 | 20.40 | 91,750 | 1,851,200 | 20.177 | 20.15 | 20.10 | 20.15 | 20.05 | 20.40 | 91,750 | 20.177 | -1.23% |
| 2010-05-05 | 0 | 20.40 | 20.40 | 20.55 | 20.40 | 20.60 | 43,596 | 893,693 | 20.499 | 20.40 | 20.40 | 20.55 | 20.40 | 20.60 | 43,596 | 20.499 | -2.39% |
| 2010-05-04 | 0 | 20.90 | 20.90 | 21.00 | 20.90 | 21.00 | 23,000 | 481,113 | 20.918 | 20.90 | 20.90 | 21.00 | 20.90 | 21.00 | 23,000 | 20.918 | 0.24% |
| 2010-05-03 | 0 | 20.85 | 20.75 | 20.90 | 20.85 | 20.95 | 62,250 | 1,298,463 | 20.859 | 20.85 | 20.75 | 20.90 | 20.85 | 20.95 | 62,250 | 20.859 | -0.24% |
| 2010-04-30 | 0 | 20.90 | 20.75 | 20.95 | 20.80 | 20.90 | 20,250 | 422,938 | 20.886 | 20.90 | 20.75 | 20.95 | 20.80 | 20.90 | 20,250 | 20.886 | 0.72% |
| 2010-04-29 | 0 | 20.75 | 20.65 | 20.80 | 20.65 | 20.75 | 8,000 | 165,775 | 20.722 | 20.75 | 20.65 | 20.80 | 20.65 | 20.75 | 8,000 | 20.722 | 0.73% |
| 2010-04-28 | 0 | 20.60 | 20.55 | 20.95 | 20.55 | 20.95 | 72,000 | 1,484,638 | 20.620 | 20.60 | 20.55 | 20.95 | 20.55 | 20.95 | 72,000 | 20.620 | -1.44% |
| 2010-04-27 | 0 | 20.90 | 20.90 | 21.25 | 20.85 | 21.10 | 154,250 | 3,228,363 | 20.929 | 20.90 | 20.90 | 21.25 | 20.85 | 21.10 | 154,250 | 20.929 | -1.42% |
| 2010-04-26 | 0 | 21.20 | 21.10 | 21.30 | 21.05 | 21.20 | 87,750 | 1,852,400 | 21.110 | 21.20 | 21.10 | 21.30 | 21.05 | 21.20 | 87,750 | 21.110 | 1.92% |
| 2010-04-23 | 0 | 20.80 | 20.80 | 20.85 | 20.80 | 20.90 | 16,750 | 349,788 | 20.883 | 20.80 | 20.80 | 20.85 | 20.80 | 20.90 | 16,750 | 20.883 | -0.24% |
| 2010-04-22 | 0 | 20.85 | 20.80 | 20.90 | 20.80 | 20.85 | 31,500 | 656,013 | 20.826 | 20.85 | 20.80 | 20.90 | 20.80 | 20.85 | 31,500 | 20.826 | 0.00% |
| 2010-04-21 | 0 | 20.85 | 20.80 | 20.90 | 20.80 | 20.85 | 12,750 | 265,338 | 20.811 | 20.85 | 20.80 | 20.90 | 20.80 | 20.85 | 12,750 | 20.811 | 0.72% |
| 2010-04-20 | 0 | 20.70 | 20.70 | 20.75 | 20.60 | 20.70 | 179,500 | 3,704,275 | 20.637 | 20.70 | 20.70 | 20.75 | 20.60 | 20.70 | 179,500 | 20.637 | 1.22% |
| 2010-04-19 | 0 | 20.45 | 20.40 | 20.80 | 20.45 | 21.00 | 314,500 | 6,464,150 | 20.554 | 20.45 | 20.40 | 20.80 | 20.45 | 21.00 | 314,500 | 20.554 | -2.85% |
| 2010-04-16 | 0 | 21.05 | 20.95 | 21.05 | 20.95 | 21.15 | 171,250 | 3,597,063 | 21.005 | 21.05 | 20.95 | 21.05 | 20.95 | 21.15 | 171,250 | 21.005 | 0.00% |
| 2010-04-15 | 0 | 21.05 | 21.05 | 21.15 | 20.95 | 21.15 | 90,250 | 1,900,613 | 21.059 | 21.05 | 21.05 | 21.15 | 20.95 | 21.15 | 90,250 | 21.059 | 0.96% |
| 2010-04-14 | 0 | 20.85 | 20.80 | 20.90 | 20.85 | 20.90 | 67,500 | 1,409,000 | 20.874 | 20.85 | 20.80 | 20.90 | 20.85 | 20.90 | 67,500 | 20.874 | 0.24% |
| 2010-04-13 | 0 | 20.80 | 20.70 | 20.80 | 20.75 | 20.95 | 72,500 | 1,507,963 | 20.799 | 20.80 | 20.70 | 20.80 | 20.75 | 20.95 | 72,500 | 20.799 | -0.48% |
| 2010-04-12 | 0 | 20.90 | 20.90 | 20.95 | 20.85 | 20.95 | 59,250 | 1,238,338 | 20.900 | 20.90 | 20.90 | 20.95 | 20.85 | 20.95 | 59,250 | 20.900 | 0.24% |
| 2010-04-09 | 0 | 20.85 | 20.80 | 20.90 | 20.80 | 20.85 | 20,250 | 421,700 | 20.825 | 20.85 | 20.80 | 20.90 | 20.80 | 20.85 | 20,250 | 20.825 | 0.24% |
| 2010-04-08 | 0 | 20.80 | 20.70 | 21.00 | 20.80 | 21.10 | 136,250 | 2,847,563 | 20.900 | 20.80 | 20.70 | 21.00 | 20.80 | 21.10 | 136,250 | 20.900 | -1.19% |
| 2010-04-07 | 0 | 21.05 | 21.00 | 21.10 | 20.75 | 21.10 | 116,500 | 2,443,863 | 20.977 | 21.05 | 21.00 | 21.10 | 20.75 | 21.10 | 116,500 | 20.977 | 1.69% |
| 2010-04-01 | 0 | 20.70 | 20.65 | 20.75 | 20.60 | 20.70 | 126,250 | 2,608,025 | 20.658 | 20.70 | 20.65 | 20.75 | 20.60 | 20.70 | 126,250 | 20.658 | 0.24% |
| 2010-03-31 | 0 | 20.65 | 20.60 | 20.65 | 20.60 | 20.65 | 114,750 | 2,364,100 | 20.602 | 20.65 | 20.60 | 20.65 | 20.60 | 20.65 | 114,750 | 20.602 | 0.24% |
| 2010-03-30 | 0 | 20.60 | 20.55 | 20.60 | 20.40 | 20.60 | 72,000 | 1,477,350 | 20.519 | 20.60 | 20.55 | 20.60 | 20.40 | 20.60 | 72,000 | 20.519 | 1.23% |
| 2010-03-29 | 0 | 20.35 | 20.30 | 20.55 | 20.20 | 20.35 | 14,750 | 299,425 | 20.300 | 20.35 | 20.30 | 20.55 | 20.20 | 20.35 | 14,750 | 20.300 | 0.49% |
| 2010-03-26 | 0 | 20.25 | 20.25 | 20.55 | 20.20 | 20.30 | 24,250 | 491,313 | 20.260 | 20.25 | 20.25 | 20.55 | 20.20 | 20.30 | 24,250 | 20.260 | 0.00% |
| 2010-03-25 | 0 | 20.25 | 20.20 | 20.30 | 20.25 | 20.35 | 56,500 | 1,144,575 | 20.258 | 20.25 | 20.20 | 20.30 | 20.25 | 20.35 | 56,500 | 20.258 | -0.49% |
| 2010-03-24 | 0 | 20.35 | 20.30 | 20.35 | 20.30 | 20.50 | 54,250 | 1,106,638 | 20.399 | 20.35 | 20.30 | 20.35 | 20.30 | 20.50 | 54,250 | 20.399 | -0.73% |
| 2010-03-23 | 0 | 20.50 | 20.35 | 20.55 | 20.50 | 20.70 | 27,000 | 555,538 | 20.575 | 20.50 | 20.35 | 20.55 | 20.50 | 20.70 | 27,000 | 20.575 | 0.00% |
| 2010-03-22 | 0 | 20.50 | 20.50 | 20.60 | 20.45 | 20.70 | 162,000 | 3,318,250 | 20.483 | 20.50 | 20.50 | 20.60 | 20.45 | 20.70 | 162,000 | 20.483 | -0.97% |
| 2010-03-19 | 0 | 20.70 | 20.70 | 20.75 | 20.70 | 20.80 | 42,750 | 886,538 | 20.738 | 20.70 | 20.70 | 20.75 | 20.70 | 20.80 | 42,750 | 20.738 | -0.24% |
| 2010-03-18 | 0 | 20.75 | 20.70 | 20.75 | 20.70 | 20.90 | 23,500 | 487,825 | 20.759 | 20.75 | 20.70 | 20.75 | 20.70 | 20.90 | 23,500 | 20.759 | 0.24% |
| 2010-03-17 | 0 | 20.70 | 20.65 | 20.75 | 20.60 | 20.70 | 84,500 | 1,742,613 | 20.623 | 20.70 | 20.65 | 20.75 | 20.60 | 20.70 | 84,500 | 20.623 | 1.47% |
| 2010-03-16 | 0 | 20.40 | 20.40 | 20.45 | 20.30 | 20.50 | 32,000 | 652,675 | 20.396 | 20.40 | 20.40 | 20.45 | 20.30 | 20.50 | 32,000 | 20.396 | -0.97% |
| 2010-03-15 | 0 | 20.60 | 20.55 | 20.60 | 20.50 | 20.70 | 16,500 | 338,900 | 20.539 | 20.60 | 20.55 | 20.60 | 20.50 | 20.70 | 16,500 | 20.539 | -0.48% |
| 2010-03-12 | 0 | 20.70 | 20.60 | 20.70 | 20.65 | 20.70 | 5,250 | 108,538 | 20.674 | 20.70 | 20.60 | 20.70 | 20.65 | 20.70 | 5,250 | 20.674 | 0.49% |
| 2010-03-11 | 0 | 20.60 | 20.60 | 20.95 | 20.55 | 20.80 | 3,500 | 72,175 | 20.621 | 20.60 | 20.60 | 20.95 | 20.55 | 20.80 | 3,500 | 20.621 | -0.24% |
| 2010-03-10 | 0 | 20.65 | 20.60 | 20.75 | 20.65 | 21.00 | 12,000 | 248,813 | 20.734 | 20.65 | 20.60 | 20.75 | 20.65 | 21.00 | 12,000 | 20.734 | -0.72% |
| 2010-03-09 | 0 | 20.80 | 20.75 | 20.85 | 20.80 | 21.00 | 17,000 | 355,325 | 20.901 | 20.80 | 20.75 | 20.85 | 20.80 | 21.00 | 17,000 | 20.901 | -0.72% |
| 2010-03-08 | 0 | 20.95 | 20.85 | 21.00 | 20.90 | 20.95 | 37,750 | 789,763 | 20.921 | 20.95 | 20.85 | 21.00 | 20.90 | 20.95 | 37,750 | 20.921 | 0.72% |
| 2010-03-05 | 0 | 20.80 | 20.65 | 20.80 | 20.75 | 20.80 | 7,000 | 145,550 | 20.793 | 20.80 | 20.65 | 20.80 | 20.75 | 20.80 | 7,000 | 20.793 | 0.00% |
| 2010-03-04 | 0 | 20.80 | 20.70 | 20.90 | 20.65 | 20.90 | 13,250 | 275,913 | 20.824 | 20.80 | 20.70 | 20.90 | 20.65 | 20.90 | 13,250 | 20.824 | 0.00% |
| 2010-03-03 | 0 | 20.80 | 20.65 | 20.80 | 20.50 | 20.80 | 44,000 | 908,738 | 20.653 | 20.80 | 20.65 | 20.80 | 20.50 | 20.80 | 44,000 | 20.653 | 1.46% |
| 2010-03-02 | 0 | 20.50 | 20.50 | 20.60 | 20.50 | 20.60 | 7,250 | 148,750 | 20.517 | 20.50 | 20.50 | 20.60 | 20.50 | 20.60 | 7,250 | 20.517 | -1.44% |
| 2010-03-01 | 0 | 20.80 | 20.80 | 20.85 | 20.50 | 20.85 | 7,250 | 150,238 | 20.722 | 20.80 | 20.80 | 20.85 | 20.50 | 20.85 | 7,250 | 20.722 | 1.46% |
| 2010-02-26 | 0 | 20.50 | 20.40 | 21.00 | 20.50 | 20.55 | 5,250 | 107,688 | 20.512 | 20.50 | 20.40 | 21.00 | 20.50 | 20.55 | 5,250 | 20.512 | -0.73% |
| 2010-02-25 | 0 | 20.65 | 20.50 | 20.65 | 20.65 | 21.20 | 14,250 | 295,825 | 20.760 | 20.65 | 20.50 | 20.65 | 20.65 | 21.20 | 14,250 | 20.760 | 0.24% |
| 2010-02-24 | 0 | 20.60 | 20.50 | 21.00 | 20.55 | 20.65 | 23,500 | 484,038 | 20.597 | 20.60 | 20.50 | 21.00 | 20.55 | 20.65 | 23,500 | 20.597 | -1.44% |
| 2010-02-23 | 0 | 20.90 | 20.80 | 20.90 | 20.80 | 20.90 | 22,000 | 458,225 | 20.828 | 20.90 | 20.80 | 20.90 | 20.80 | 20.90 | 22,000 | 20.828 | -0.24% |
| 2010-02-22 | 0 | 20.95 | 20.90 | 21.00 | 20.90 | 21.05 | 46,000 | 964,113 | 20.959 | 20.95 | 20.90 | 21.00 | 20.90 | 21.05 | 46,000 | 20.959 | 1.70% |
| 2010-02-19 | 0 | 20.60 | 20.50 | 20.65 | 20.60 | 20.90 | 49,000 | 1,009,988 | 20.612 | 20.60 | 20.50 | 20.65 | 20.60 | 20.90 | 49,000 | 20.612 | 0.00% |
| 2010-02-18 | 0 | 20.60 | 20.50 | 20.90 | 20.55 | 20.70 | 26,500 | 546,700 | 20.630 | 20.60 | 20.50 | 20.90 | 20.55 | 20.70 | 26,500 | 20.630 | -1.20% |
| 2010-02-17 | 0 | 20.85 | 20.70 | 20.90 | 20.50 | 20.85 | 59,000 | 1,223,225 | 20.733 | 20.85 | 20.70 | 20.90 | 20.50 | 20.85 | 59,000 | 20.733 | 2.71% |
| 2010-02-12 | 0 | 20.30 | 20.20 | 20.40 | 20.20 | 20.50 | 41,250 | 835,900 | 20.264 | 20.30 | 20.20 | 20.40 | 20.20 | 20.50 | 41,250 | 20.264 | 0.74% |
| 2010-02-11 | 0 | 20.15 | 20.15 | 20.25 | 20.15 | 20.25 | 6,000 | 121,113 | 20.186 | 20.15 | 20.15 | 20.25 | 20.15 | 20.25 | 6,000 | 20.186 | 0.95% |
| 2010-02-10 | 0 | 19.96 | 19.94 | 20.00 | 19.90 | 20.10 | 30,250 | 602,725 | 19.925 | 19.96 | 19.94 | 20.00 | 19.90 | 20.10 | 30,250 | 19.925 | 0.81% |
| 2010-02-09 | 0 | 19.80 | 19.74 | 19.80 | 19.60 | 19.80 | 35,000 | 688,980 | 19.685 | 19.80 | 19.74 | 19.80 | 19.60 | 19.80 | 35,000 | 19.685 | 1.02% |
| 2010-02-08 | 0 | 19.60 | 19.56 | 19.62 | 19.60 | 19.86 | 129,500 | 2,544,795 | 19.651 | 19.60 | 19.56 | 19.62 | 19.60 | 19.86 | 129,500 | 19.651 | -1.31% |
| 2010-02-05 | 0 | 19.86 | 19.84 | 20.30 | 19.82 | 20.30 | 199,500 | 3,964,215 | 19.871 | 19.86 | 19.84 | 20.30 | 19.82 | 20.30 | 199,500 | 19.871 | -2.65% |
| 2010-02-04 | 0 | 20.40 | 20.40 | 20.45 | 20.40 | 20.70 | 42,250 | 864,350 | 20.458 | 20.40 | 20.40 | 20.45 | 20.40 | 20.70 | 42,250 | 20.458 | -1.69% |
| 2010-02-03 | 0 | 20.75 | 20.65 | 21.20 | 20.50 | 20.80 | 28,250 | 581,963 | 20.600 | 20.75 | 20.65 | 21.20 | 20.50 | 20.80 | 28,250 | 20.600 | 2.47% |
| 2010-02-02 | 0 | 20.25 | 20.20 | 20.25 | 20.20 | 20.40 | 98,750 | 2,002,700 | 20.281 | 20.25 | 20.20 | 20.25 | 20.20 | 20.40 | 98,750 | 20.281 | 1.25% |
| 2010-02-01 | 0 | 20.00 | 20.00 | 20.05 | 19.96 | 20.20 | 96,750 | 1,935,718 | 20.007 | 20.00 | 20.00 | 20.05 | 19.96 | 20.20 | 96,750 | 20.007 | -0.99% |
| 2010-01-29 | 0 | 20.20 | 20.05 | 20.20 | 20.10 | 20.35 | 188,250 | 3,806,800 | 20.222 | 20.20 | 20.05 | 20.20 | 20.10 | 20.35 | 188,250 | 20.222 | -0.98% |
| 2010-01-28 | 0 | 20.40 | 20.35 | 20.65 | 20.30 | 20.55 | 190,500 | 3,880,863 | 20.372 | 20.40 | 20.35 | 20.65 | 20.30 | 20.55 | 190,500 | 20.372 | -1.21% |
| 2010-01-27 | 0 | 20.65 | 20.60 | 20.65 | 20.55 | 20.80 | 51,750 | 1,067,325 | 20.625 | 20.65 | 20.60 | 20.65 | 20.55 | 20.80 | 51,750 | 20.625 | 0.24% |
| 2010-01-26 | 0 | 20.60 | 20.60 | 20.70 | 20.60 | 20.80 | 95,250 | 1,972,150 | 20.705 | 20.60 | 20.60 | 20.70 | 20.60 | 20.80 | 95,250 | 20.705 | -0.96% |
| 2010-01-25 | 0 | 20.80 | 20.70 | 20.85 | 20.65 | 20.90 | 150,000 | 3,106,638 | 20.711 | 20.80 | 20.70 | 20.85 | 20.65 | 20.90 | 150,000 | 20.711 | -0.72% |
| 2010-01-22 | 0 | 20.95 | 20.85 | 20.95 | 20.85 | 21.10 | 86,250 | 1,800,050 | 20.870 | 20.95 | 20.85 | 20.95 | 20.85 | 21.10 | 86,250 | 20.870 | -0.71% |
| 2010-01-21 | 0 | 21.10 | 21.10 | 21.15 | 21.10 | 21.20 | 119,500 | 2,524,888 | 21.129 | 21.10 | 21.10 | 21.15 | 21.10 | 21.20 | 119,500 | 21.129 | -0.94% |
| 2010-01-20 | 0 | 21.30 | 21.20 | 21.30 | 21.20 | 21.35 | 112,750 | 2,397,875 | 21.267 | 21.30 | 21.20 | 21.30 | 21.20 | 21.35 | 112,750 | 21.267 | 0.24% |
| 2010-01-19 | 0 | 21.25 | 21.20 | 21.25 | 21.15 | 21.30 | 79,250 | 1,684,813 | 21.259 | 21.25 | 21.20 | 21.25 | 21.15 | 21.30 | 79,250 | 21.259 | 0.71% |
| 2010-01-18 | 0 | 21.10 | 21.10 | 21.15 | 21.10 | 21.40 | 217,250 | 4,594,925 | 21.150 | 21.10 | 21.10 | 21.15 | 21.10 | 21.40 | 217,250 | 21.150 | -1.63% |
| 2010-01-15 | 0 | 21.45 | 21.40 | 21.45 | 21.40 | 21.55 | 13,750 | 295,175 | 21.467 | 21.45 | 21.40 | 21.45 | 21.40 | 21.55 | 13,750 | 21.467 | -0.46% |
| 2010-01-14 | 0 | 21.55 | 21.55 | 21.70 | 21.40 | 21.60 | 22,250 | 478,800 | 21.519 | 21.55 | 21.55 | 21.70 | 21.40 | 21.60 | 22,250 | 21.519 | 1.17% |
| 2010-01-13 | 0 | 21.30 | 21.25 | 21.40 | 21.30 | 21.80 | 73,500 | 1,569,163 | 21.349 | 21.30 | 21.25 | 21.40 | 21.30 | 21.80 | 73,500 | 21.349 | -2.29% |
| 2010-01-12 | 0 | 21.80 | 21.75 | 21.80 | 21.75 | 22.05 | 84,500 | 1,847,413 | 21.863 | 21.80 | 21.75 | 21.80 | 21.75 | 22.05 | 84,500 | 21.863 | -1.13% |
| 2010-01-11 | 0 | 22.05 | 22.05 | 22.20 | 22.00 | 22.10 | 51,000 | 1,126,463 | 22.088 | 22.05 | 22.05 | 22.20 | 22.00 | 22.10 | 51,000 | 22.088 | 0.46% |
| 2010-01-08 | 0 | 21.95 | 21.90 | 22.00 | 21.85 | 22.25 | 28,750 | 630,538 | 21.932 | 21.95 | 21.90 | 22.00 | 21.85 | 22.25 | 28,750 | 21.932 | -0.45% |
| 2010-01-07 | 0 | 22.05 | 22.00 | 22.05 | 22.00 | 22.25 | 120,500 | 2,659,800 | 22.073 | 22.05 | 22.00 | 22.05 | 22.00 | 22.25 | 120,500 | 22.073 | 0.92% |
| 2010-01-06 | 0 | 21.85 | 21.80 | 21.85 | 21.75 | 21.90 | 55,250 | 1,206,438 | 21.836 | 21.85 | 21.80 | 21.85 | 21.75 | 21.90 | 55,250 | 21.836 | 0.46% |
| 2010-01-05 | 0 | 21.75 | 21.75 | 21.80 | 21.65 | 21.80 | 104,970 | 2,285,291 | 21.771 | 21.75 | 21.75 | 21.80 | 21.65 | 21.80 | 104,970 | 21.771 | 1.40% |
| 2010-01-04 | 0 | 21.45 | 21.40 | 21.50 | 21.40 | 21.50 | 73,750 | 1,584,375 | 21.483 | 21.45 | 21.40 | 21.50 | 21.40 | 21.50 | 73,750 | 21.483 | 0.23% |
| 2009-12-31 | 0 | 21.40 | 21.35 | 21.40 | 21.40 | 21.45 | 18,750 | 402,113 | 21.446 | 21.40 | 21.35 | 21.40 | 21.40 | 21.45 | 18,750 | 21.446 | 0.00% |
| 2009-12-30 | 0 | 21.40 | 21.35 | 21.40 | 21.25 | 21.40 | 144,500 | 3,082,413 | 21.332 | 21.40 | 21.35 | 21.40 | 21.25 | 21.40 | 144,500 | 21.332 | 0.23% |
| 2009-12-29 | 0 | 21.35 | 21.30 | 21.40 | 21.25 | 21.40 | 125,000 | 2,664,563 | 21.317 | 21.35 | 21.30 | 21.40 | 21.25 | 21.40 | 125,000 | 21.317 | 0.47% |
| 2009-12-28 | 0 | 21.25 | 21.25 | 21.30 | 21.10 | 21.35 | 116,250 | 2,474,863 | 21.289 | 21.25 | 21.25 | 21.30 | 21.10 | 21.35 | 116,250 | 21.289 | 0.95% |
| 2009-12-24 | 0 | 21.05 | 21.00 | 21.10 | 20.95 | 21.10 | 163,750 | 3,444,275 | 21.034 | 21.05 | 21.00 | 21.10 | 20.95 | 21.10 | 163,750 | 21.034 | 1.69% |
| 2009-12-23 | 0 | 20.70 | 20.65 | 20.75 | 20.60 | 20.70 | 76,500 | 1,582,163 | 20.682 | 20.70 | 20.65 | 20.75 | 20.60 | 20.70 | 76,500 | 20.682 | 0.49% |
| 2009-12-22 | 0 | 20.60 | 20.60 | 20.65 | 20.60 | 20.70 | 49,750 | 1,027,025 | 20.644 | 20.60 | 20.60 | 20.65 | 20.60 | 20.70 | 49,750 | 20.644 | -0.72% |
| 2009-12-21 | 0 | 20.75 | 20.75 | 20.80 | 20.70 | 20.85 | 68,000 | 1,410,463 | 20.742 | 20.75 | 20.75 | 20.80 | 20.70 | 20.85 | 68,000 | 20.742 | 0.24% |
| 2009-12-18 | 0 | 20.70 | 20.70 | 20.80 | 20.70 | 20.80 | 296,750 | 6,160,838 | 20.761 | 20.70 | 20.70 | 20.80 | 20.70 | 20.80 | 296,750 | 20.761 | -0.48% |
| 2009-12-17 | 0 | 20.80 | 20.80 | 20.85 | 20.80 | 20.90 | 160,000 | 3,333,638 | 20.835 | 20.80 | 20.80 | 20.85 | 20.80 | 20.90 | 160,000 | 20.835 | 0.73% |
| 2009-12-16 | 0 | 20.65 | 20.60 | 20.65 | 20.55 | 20.65 | 36,500 | 752,075 | 20.605 | 20.65 | 20.60 | 20.65 | 20.55 | 20.65 | 36,500 | 20.605 | 0.73% |
| 2009-12-15 | 0 | 20.50 | 20.50 | 20.55 | 20.50 | 20.60 | 98,500 | 2,026,025 | 20.569 | 20.50 | 20.50 | 20.55 | 20.50 | 20.60 | 98,500 | 20.569 | 0.74% |
| 2009-12-14 | 0 | 20.35 | 20.30 | 20.35 | 20.20 | 20.35 | 20,750 | 420,563 | 20.268 | 20.35 | 20.30 | 20.35 | 20.20 | 20.35 | 20,750 | 20.268 | 0.49% |
| 2009-12-11 | 0 | 20.25 | 20.20 | 20.35 | 20.25 | 20.35 | 39,750 | 806,425 | 20.287 | 20.25 | 20.20 | 20.35 | 20.25 | 20.35 | 39,750 | 20.287 | 0.75% |
| 2009-12-10 | 0 | 20.10 | 20.10 | 20.20 | 19.98 | 20.50 | 194,750 | 3,917,043 | 20.113 | 20.10 | 20.10 | 20.20 | 19.98 | 20.50 | 194,750 | 20.113 | -1.23% |
| 2009-12-09 | 0 | 20.35 | 20.35 | 20.45 | 20.30 | 20.50 | 97,000 | 1,980,975 | 20.422 | 20.35 | 20.35 | 20.45 | 20.30 | 20.50 | 97,000 | 20.422 | -0.97% |
| 2009-12-08 | 0 | 20.55 | 20.55 | 20.65 | 20.55 | 20.65 | 108,250 | 2,232,588 | 20.624 | 20.55 | 20.55 | 20.65 | 20.55 | 20.65 | 108,250 | 20.624 | -0.48% |
| 2009-12-07 | 0 | 20.65 | 20.60 | 20.65 | 20.55 | 20.95 | 72,750 | 1,500,675 | 20.628 | 20.65 | 20.60 | 20.65 | 20.55 | 20.95 | 72,750 | 20.628 | -0.24% |
| 2009-12-04 | 0 | 20.70 | 20.65 | 20.75 | 20.60 | 20.80 | 76,500 | 1,581,688 | 20.676 | 20.70 | 20.65 | 20.75 | 20.60 | 20.80 | 76,500 | 20.676 | -0.72% |
| 2009-12-03 | 0 | 20.85 | 20.80 | 20.85 | 20.80 | 20.90 | 43,088 | 899,580 | 20.878 | 20.85 | 20.80 | 20.85 | 20.80 | 20.90 | 43,088 | 20.878 | -0.24% |
| 2009-12-02 | 0 | 20.90 | 20.90 | 20.95 | 20.80 | 21.00 | 134,500 | 2,814,625 | 20.927 | 20.90 | 20.90 | 20.95 | 20.80 | 21.00 | 134,500 | 20.927 | 0.72% |
| 2009-12-01 | 0 | 20.75 | 20.70 | 20.80 | 20.70 | 20.80 | 28,000 | 581,025 | 20.751 | 20.75 | 20.70 | 20.80 | 20.70 | 20.80 | 28,000 | 20.751 | 0.97% |
| 2009-11-30 | 0 | 20.55 | 20.60 | 20.70 | 20.30 | 20.75 | 151,000 | 3,102,825 | 20.549 | 20.55 | 20.60 | 20.70 | 20.30 | 20.75 | 151,000 | 20.549 | 1.99% |
| 2009-11-27 | 0 | 20.15 | 20.10 | 20.25 | 20.10 | 20.70 | 275,750 | 5,631,063 | 20.421 | 20.15 | 20.10 | 20.25 | 20.10 | 20.70 | 275,750 | 20.421 | -2.89% |
| 2009-11-26 | 0 | 20.75 | 20.75 | 20.85 | 20.65 | 20.95 | 124,750 | 2,603,188 | 20.867 | 20.75 | 20.75 | 20.85 | 20.65 | 20.95 | 124,750 | 20.867 | 0.73% |
| 2009-11-25 | 0 | 20.60 | 20.55 | 20.90 | 20.55 | 20.70 | 62,000 | 1,278,575 | 20.622 | 20.60 | 20.55 | 20.90 | 20.55 | 20.70 | 62,000 | 20.622 | -0.24% |
| 2009-11-24 | 0 | 20.65 | 20.60 | 20.65 | 20.60 | 20.90 | 77,500 | 1,604,463 | 20.703 | 20.65 | 20.60 | 20.65 | 20.60 | 20.90 | 77,500 | 20.703 | -1.20% |
| 2009-11-23 | 0 | 20.90 | 20.80 | 21.00 | 20.75 | 20.90 | 50,000 | 1,040,950 | 20.819 | 20.90 | 20.80 | 21.00 | 20.75 | 20.90 | 50,000 | 20.819 | 1.21% |
| 2009-11-20 | 0 | 20.65 | 20.60 | 20.70 | 20.60 | 20.75 | 52,250 | 1,078,800 | 20.647 | 20.65 | 20.60 | 20.70 | 20.60 | 20.75 | 52,250 | 20.647 | -0.96% |
| 2009-11-19 | 0 | 20.85 | 20.85 | 20.90 | 20.85 | 21.00 | 29,750 | 622,313 | 20.918 | 20.85 | 20.85 | 20.90 | 20.85 | 21.00 | 29,750 | 20.918 | -0.48% |
| 2009-11-18 | 0 | 20.95 | 20.90 | 20.95 | 20.85 | 21.00 | 75,750 | 1,583,350 | 20.902 | 20.95 | 20.90 | 20.95 | 20.85 | 21.00 | 75,750 | 20.902 | 0.96% |
| 2009-11-17 | 0 | 20.75 | 20.75 | 20.80 | 20.70 | 20.80 | 63,750 | 1,322,938 | 20.752 | 20.75 | 20.75 | 20.80 | 20.70 | 20.80 | 63,750 | 20.752 | 1.22% |
| 2009-11-16 | 0 | 20.50 | 20.45 | 20.50 | 20.35 | 20.50 | 202,500 | 4,140,350 | 20.446 | 20.50 | 20.45 | 20.50 | 20.35 | 20.50 | 202,500 | 20.446 | 0.74% |
| 2009-11-13 | 0 | 20.35 | 20.30 | 20.45 | 20.20 | 20.35 | 110,500 | 2,238,488 | 20.258 | 20.35 | 20.30 | 20.45 | 20.20 | 20.35 | 110,500 | 20.258 | -0.73% |
| 2009-11-12 | 0 | 20.50 | 20.50 | 20.60 | 20.50 | 20.70 | 27,000 | 554,713 | 20.545 | 20.50 | 20.50 | 20.60 | 20.50 | 20.70 | 27,000 | 20.545 | 0.00% |
| 2009-11-11 | 0 | 20.50 | 20.40 | 20.60 | 20.40 | 20.50 | 40,000 | 819,563 | 20.489 | 20.50 | 20.40 | 20.60 | 20.40 | 20.50 | 40,000 | 20.489 | 0.99% |
| 2009-11-10 | 0 | 20.30 | 20.30 | 20.70 | 20.25 | 20.70 | 392,250 | 8,057,700 | 20.542 | 20.30 | 20.30 | 20.70 | 20.25 | 20.70 | 392,250 | 20.542 | -1.46% |
| 2009-11-09 | 0 | 20.60 | 20.50 | 20.60 | 20.40 | 20.60 | 115,000 | 2,358,263 | 20.507 | 20.60 | 20.50 | 20.60 | 20.40 | 20.60 | 115,000 | 20.507 | -1.20% |
| 2009-11-06 | 0 | 20.85 | 20.70 | 20.90 | 20.65 | 20.85 | 109,750 | 2,277,913 | 20.755 | 20.85 | 20.70 | 20.90 | 20.65 | 20.85 | 109,750 | 20.755 | 0.00% |
| 2009-11-05 | 0 | 20.85 | 20.80 | 20.90 | 20.80 | 20.90 | 93,000 | 1,938,250 | 20.841 | 20.85 | 20.80 | 20.90 | 20.80 | 20.90 | 93,000 | 20.841 | 0.24% |
| 2009-11-04 | 0 | 20.80 | 20.75 | 20.90 | 20.70 | 20.95 | 96,147 | 2,004,772 | 20.851 | 20.80 | 20.75 | 20.90 | 20.70 | 20.95 | 96,147 | 20.851 | 1.22% |
| 2009-11-03 | 0 | 20.55 | 20.50 | 20.55 | 20.50 | 20.70 | 32,250 | 664,788 | 20.614 | 20.55 | 20.50 | 20.55 | 20.50 | 20.70 | 32,250 | 20.614 | 0.74% |
| 2009-11-02 | 0 | 20.40 | 20.40 | 20.50 | 20.35 | 20.55 | 157,750 | 3,222,450 | 20.428 | 20.40 | 20.40 | 20.50 | 20.35 | 20.55 | 157,750 | 20.428 | -1.69% |
| 2009-10-30 | 0 | 20.75 | 20.75 | 20.85 | 20.60 | 20.85 | 120,000 | 2,492,713 | 20.773 | 20.75 | 20.75 | 20.85 | 20.60 | 20.85 | 120,000 | 20.773 | 2.47% |
| 2009-10-29 | 0 | 20.25 | 20.25 | 20.35 | 20.20 | 20.50 | 229,250 | 4,645,800 | 20.265 | 20.25 | 20.25 | 20.35 | 20.20 | 20.50 | 229,250 | 20.265 | -2.64% |
| 2009-10-28 | 0 | 20.80 | 20.60 | 20.80 | 20.70 | 21.00 | 126,000 | 2,624,100 | 20.826 | 20.80 | 20.60 | 20.80 | 20.70 | 21.00 | 126,000 | 20.826 | 0.00% |
| 2009-10-27 | 0 | 20.80 | 20.80 | 20.90 | 20.80 | 21.45 | 192,250 | 4,043,300 | 21.031 | 20.80 | 20.80 | 20.90 | 20.80 | 21.45 | 192,250 | 21.031 | -3.03% |
| 2009-10-23 | 0 | 21.45 | 21.40 | 21.60 | 21.40 | 21.70 | 154,000 | 3,312,075 | 21.507 | 21.45 | 21.40 | 21.60 | 21.40 | 21.70 | 154,000 | 21.507 | 0.23% |
| 2009-10-22 | 0 | 21.40 | 21.30 | 21.40 | 21.10 | 21.70 | 125,250 | 2,664,663 | 21.275 | 21.40 | 21.30 | 21.40 | 21.10 | 21.70 | 125,250 | 21.275 | 2.15% |
| 2009-10-21 | 0 | 20.95 | 20.95 | 21.00 | 20.85 | 21.10 | 115,000 | 2,408,163 | 20.941 | 20.95 | 20.95 | 21.00 | 20.85 | 21.10 | 115,000 | 20.941 | -0.71% |
| 2009-10-20 | 0 | 21.10 | 21.00 | 21.10 | 21.05 | 21.20 | 76,250 | 1,613,650 | 21.163 | 21.10 | 21.00 | 21.10 | 21.05 | 21.20 | 76,250 | 21.163 | 0.72% |
| 2009-10-19 | 0 | 20.95 | 20.90 | 20.95 | 20.65 | 20.95 | 104,500 | 2,183,425 | 20.894 | 20.95 | 20.90 | 20.95 | 20.65 | 20.95 | 104,500 | 20.894 | 1.45% |
| 2009-10-16 | 0 | 20.65 | 20.65 | 20.70 | 20.60 | 20.70 | 141,000 | 2,915,138 | 20.675 | 20.65 | 20.65 | 20.70 | 20.60 | 20.70 | 141,000 | 20.675 | 0.98% |
| 2009-10-15 | 0 | 20.45 | 20.45 | 20.50 | 20.45 | 20.85 | 421,500 | 8,699,800 | 20.640 | 20.45 | 20.45 | 20.50 | 20.45 | 20.85 | 421,500 | 20.640 | -0.97% |
| 2009-10-14 | 0 | 20.65 | 20.60 | 20.65 | 20.35 | 20.75 | 233,500 | 4,818,975 | 20.638 | 20.65 | 20.60 | 20.65 | 20.35 | 20.75 | 233,500 | 20.638 | 2.23% |
| 2009-10-13 | 0 | 20.20 | 20.20 | 20.25 | 20.05 | 20.35 | 158,000 | 3,196,450 | 20.231 | 20.20 | 20.20 | 20.25 | 20.05 | 20.35 | 158,000 | 20.231 | 1.10% |
| 2009-10-12 | 0 | 19.98 | 19.90 | 19.98 | 19.86 | 19.98 | 416,000 | 8,290,285 | 19.929 | 19.98 | 19.90 | 19.98 | 19.86 | 19.98 | 416,000 | 19.929 | 0.71% |
| 2009-10-09 | 0 | 19.84 | 19.76 | 19.86 | 19.76 | 19.84 | 215,000 | 4,256,535 | 19.798 | 19.84 | 19.76 | 19.86 | 19.76 | 19.84 | 215,000 | 19.798 | 0.92% |
| 2009-10-08 | 0 | 19.66 | 19.66 | 19.72 | 19.50 | 19.68 | 102,750 | 2,013,635 | 19.597 | 19.66 | 19.66 | 19.72 | 19.50 | 19.68 | 102,750 | 19.597 | 0.31% |
| 2009-10-07 | 0 | 19.60 | 19.58 | 19.64 | 19.50 | 19.66 | 73,250 | 1,435,510 | 19.597 | 19.60 | 19.58 | 19.64 | 19.50 | 19.66 | 73,250 | 19.597 | 1.14% |
| 2009-10-06 | 0 | 19.38 | 19.36 | 19.40 | 19.10 | 19.38 | 97,250 | 1,876,100 | 19.292 | 19.38 | 19.36 | 19.40 | 19.10 | 19.38 | 97,250 | 19.292 | 1.79% |
| 2009-10-05 | 0 | 19.04 | 19.00 | 19.06 | 18.70 | 19.10 | 99,500 | 1,889,655 | 18.992 | 19.04 | 19.00 | 19.06 | 18.70 | 19.10 | 99,500 | 18.992 | -0.31% |
| 2009-10-02 | 0 | 19.10 | 19.08 | 19.14 | 19.10 | 19.20 | 61,500 | 1,178,685 | 19.166 | 19.10 | 19.08 | 19.14 | 19.10 | 19.20 | 61,500 | 19.166 | 0.00% |
| 2009-09-30 | 0 | 19.10 | 19.08 | 19.12 | 19.02 | 19.10 | 70,250 | 1,339,655 | 19.070 | 19.10 | 19.08 | 19.12 | 19.02 | 19.10 | 70,250 | 19.070 | 0.42% |
| 2009-09-29 | 0 | 19.02 | 19.00 | 19.02 | 19.00 | 19.06 | 30,750 | 584,590 | 19.011 | 19.02 | 19.00 | 19.02 | 19.00 | 19.06 | 30,750 | 19.011 | 1.06% |
| 2009-09-28 | 0 | 18.82 | 18.80 | 18.84 | 18.80 | 18.94 | 105,500 | 1,991,490 | 18.877 | 18.82 | 18.80 | 18.84 | 18.80 | 18.94 | 105,500 | 18.877 | -0.63% |
| 2009-09-25 | 0 | 18.94 | 18.92 | 19.16 | 18.94 | 19.00 | 312,550 | 5,924,109 | 18.954 | 18.94 | 18.92 | 19.16 | 18.94 | 19.00 | 312,550 | 18.954 | -1.25% |
| 2009-09-24 | 0 | 19.18 | 19.18 | 19.24 | 19.18 | 19.46 | 420,750 | 8,089,820 | 19.227 | 19.18 | 19.18 | 19.24 | 19.18 | 19.46 | 420,750 | 19.227 | -1.54% |
| 2009-09-23 | 0 | 19.48 | 19.44 | 19.50 | 19.42 | 19.54 | 172,250 | 3,358,615 | 19.498 | 19.48 | 19.44 | 19.50 | 19.42 | 19.54 | 172,250 | 19.498 | 0.62% |
| 2009-09-22 | 0 | 19.36 | 19.32 | 19.40 | 19.24 | 19.40 | 135,500 | 2,613,425 | 19.287 | 19.36 | 19.32 | 19.40 | 19.24 | 19.40 | 135,500 | 19.287 | -0.62% |
| 2009-09-21 | 0 | 19.48 | 19.46 | 19.48 | 19.48 | 19.72 | 101,000 | 1,975,335 | 19.558 | 19.48 | 19.46 | 19.48 | 19.48 | 19.72 | 101,000 | 19.558 | -1.32% |
| 2009-09-18 | 0 | 19.74 | 19.72 | 19.74 | 19.74 | 19.80 | 219,750 | 4,341,615 | 19.757 | 19.74 | 19.72 | 19.74 | 19.74 | 19.80 | 219,750 | 19.757 | -0.70% |
| 2009-09-17 | 0 | 19.88 | 19.86 | 19.90 | 19.66 | 19.96 | 309,250 | 6,147,450 | 19.879 | 19.88 | 19.86 | 19.90 | 19.66 | 19.96 | 309,250 | 19.879 | 1.53% |
| 2009-09-16 | 0 | 19.58 | 19.54 | 19.58 | 19.20 | 19.58 | 250,000 | 4,872,540 | 19.490 | 19.58 | 19.54 | 19.58 | 19.20 | 19.58 | 250,000 | 19.490 | 2.73% |
| 2009-09-15 | 0 | 19.06 | 19.04 | 19.12 | 18.98 | 19.14 | 77,250 | 1,473,465 | 19.074 | 19.06 | 19.04 | 19.12 | 18.98 | 19.14 | 77,250 | 19.074 | 0.42% |
| 2009-09-14 | 0 | 18.98 | 18.94 | 19.20 | 18.98 | 19.30 | 291,500 | 5,556,050 | 19.060 | 18.98 | 18.94 | 19.20 | 18.98 | 19.30 | 291,500 | 19.060 | -1.66% |
| 2009-09-11 | 0 | 19.30 | 19.28 | 19.38 | 19.24 | 19.34 | 368,000 | 7,097,540 | 19.287 | 19.30 | 19.28 | 19.38 | 19.24 | 19.34 | 368,000 | 19.287 | 0.31% |
| 2009-09-10 | 0 | 19.24 | 19.18 | 19.24 | 19.20 | 19.32 | 228,000 | 4,387,335 | 19.243 | 19.24 | 19.18 | 19.24 | 19.20 | 19.32 | 228,000 | 19.243 | 0.73% |
| 2009-09-09 | 0 | 19.10 | 19.06 | 19.28 | 19.08 | 19.40 | 255,000 | 4,884,080 | 19.153 | 19.10 | 19.06 | 19.28 | 19.08 | 19.40 | 255,000 | 19.153 | 0.63% |
| 2009-09-08 | 0 | 18.98 | 18.92 | 19.00 | 18.76 | 18.98 | 320,000 | 6,054,625 | 18.921 | 18.98 | 18.92 | 19.00 | 18.76 | 18.98 | 320,000 | 18.921 | 1.28% |
| 2009-09-07 | 0 | 18.74 | 18.70 | 18.74 | 18.68 | 19.20 | 230,500 | 4,317,140 | 18.729 | 18.74 | 18.70 | 18.74 | 18.68 | 19.20 | 230,500 | 18.729 | -0.64% |
| 2009-09-04 | 0 | 18.86 | 18.84 | 19.20 | 18.84 | 19.00 | 299,750 | 5,658,540 | 18.878 | 18.86 | 18.84 | 19.20 | 18.84 | 19.00 | 299,750 | 18.878 | -0.74% |
| 2009-09-03 | 0 | 19.00 | 18.92 | 19.22 | 18.70 | 19.02 | 287,950 | 5,439,438 | 18.890 | 19.00 | 18.92 | 19.22 | 18.70 | 19.02 | 287,950 | 18.890 | 1.28% |
| 2009-09-02 | 0 | 18.76 | 18.76 | 18.84 | 18.74 | 19.12 | 127,250 | 2,397,600 | 18.842 | 18.76 | 18.76 | 18.84 | 18.74 | 19.12 | 127,250 | 18.842 | -2.39% |
| 2009-09-01 | 0 | 19.22 | 19.22 | 19.24 | 19.12 | 19.32 | 138,250 | 2,654,035 | 19.197 | 19.22 | 19.22 | 19.24 | 19.12 | 19.32 | 138,250 | 19.197 | -0.52% |
| 2009-08-31 | 0 | 19.32 | 19.28 | 19.32 | 19.30 | 19.48 | 59,500 | 1,151,505 | 19.353 | 19.32 | 19.28 | 19.32 | 19.30 | 19.48 | 59,500 | 19.353 | -0.51% |
| 2009-08-28 | 0 | 19.42 | 19.42 | 19.48 | 19.38 | 19.50 | 78,500 | 1,524,570 | 19.421 | 19.42 | 19.42 | 19.48 | 19.38 | 19.50 | 78,500 | 19.421 | 0.73% |
| 2009-08-27 | 0 | 19.28 | 19.24 | 19.50 | 19.26 | 19.48 | 112,750 | 2,176,555 | 19.304 | 19.28 | 19.24 | 19.50 | 19.26 | 19.48 | 112,750 | 19.304 | -1.03% |
| 2009-08-26 | 0 | 19.48 | 19.48 | 19.66 | 19.40 | 19.60 | 117,500 | 2,287,445 | 19.468 | 19.48 | 19.48 | 19.66 | 19.40 | 19.60 | 117,500 | 19.468 | -0.51% |
| 2009-08-25 | 0 | 19.58 | 19.54 | 19.58 | 19.52 | 19.68 | 78,250 | 1,533,125 | 19.593 | 19.58 | 19.54 | 19.58 | 19.52 | 19.68 | 78,250 | 19.593 | -0.61% |
| 2009-08-24 | 0 | 19.70 | 19.68 | 19.76 | 19.62 | 19.74 | 71,500 | 1,406,905 | 19.677 | 19.70 | 19.68 | 19.76 | 19.62 | 19.74 | 71,500 | 19.677 | 1.23% |
| 2009-08-21 | 0 | 19.46 | 19.46 | 19.48 | 19.38 | 19.78 | 91,750 | 1,787,905 | 19.487 | 19.46 | 19.46 | 19.48 | 19.38 | 19.78 | 91,750 | 19.487 | -1.02% |
| 2009-08-20 | 0 | 19.66 | 19.60 | 19.72 | 19.54 | 19.70 | 86,750 | 1,702,145 | 19.621 | 19.66 | 19.60 | 19.72 | 19.54 | 19.70 | 86,750 | 19.621 | 2.61% |
| 2009-08-19 | 0 | 19.16 | 19.10 | 19.22 | 19.16 | 19.42 | 112,250 | 2,157,980 | 19.225 | 19.16 | 19.10 | 19.22 | 19.16 | 19.42 | 112,250 | 19.225 | -0.42% |
| 2009-08-18 | 0 | 19.24 | 19.24 | 19.32 | 19.02 | 19.30 | 174,250 | 3,342,100 | 19.180 | 19.24 | 19.24 | 19.32 | 19.02 | 19.30 | 174,250 | 19.180 | 0.63% |
| 2009-08-17 | 0 | 19.12 | 19.12 | 19.14 | 19.08 | 19.78 | 219,500 | 4,233,365 | 19.286 | 19.12 | 19.12 | 19.14 | 19.08 | 19.78 | 219,500 | 19.286 | -4.30% |
| 2009-08-14 | 0 | 19.98 | 19.92 | 20.00 | 19.92 | 20.15 | 79,000 | 1,581,825 | 20.023 | 19.98 | 19.92 | 20.00 | 19.92 | 20.15 | 79,000 | 20.023 | -0.35% |
| 2009-08-13 | 0 | 20.05 | 20.00 | 20.10 | 19.84 | 20.15 | 116,750 | 2,340,455 | 20.047 | 20.05 | 20.00 | 20.10 | 19.84 | 20.15 | 116,750 | 20.047 | 2.72% |
| 2009-08-12 | 0 | 19.52 | 19.52 | 19.56 | 19.52 | 19.94 | 222,000 | 4,356,915 | 19.626 | 19.52 | 19.52 | 19.56 | 19.52 | 19.94 | 222,000 | 19.626 | -3.13% |
| 2009-08-11 | 0 | 20.15 | 20.05 | 20.15 | 19.94 | 20.15 | 183,750 | 3,676,028 | 20.006 | 20.15 | 20.05 | 20.15 | 19.94 | 20.15 | 183,750 | 20.006 | 0.75% |
| 2009-08-10 | 0 | 20.00 | 19.98 | 20.00 | 19.88 | 20.40 | 222,500 | 4,447,525 | 19.989 | 20.00 | 19.98 | 20.00 | 19.88 | 20.40 | 222,500 | 19.989 | 0.91% |
| 2009-08-07 | 0 | 19.82 | 19.82 | 19.86 | 19.82 | 19.98 | 426,000 | 8,455,345 | 19.848 | 19.82 | 19.82 | 19.86 | 19.82 | 19.98 | 426,000 | 19.848 | -1.39% |
| 2009-08-06 | 0 | 20.10 | 20.10 | 20.20 | 19.90 | 20.15 | 257,250 | 5,142,090 | 19.989 | 20.10 | 20.10 | 20.20 | 19.90 | 20.15 | 257,250 | 19.989 | 0.70% |
| 2009-08-05 | 0 | 19.96 | 19.96 | 19.98 | 19.96 | 20.25 | 264,500 | 5,303,173 | 20.050 | 19.96 | 19.96 | 19.98 | 19.96 | 20.25 | 264,500 | 20.050 | 0.30% |
| 2009-08-04 | 0 | 19.90 | 19.90 | 19.92 | 19.88 | 20.20 | 269,250 | 5,394,658 | 20.036 | 19.90 | 19.90 | 19.92 | 19.88 | 20.20 | 269,250 | 20.036 | 1.12% |
| 2009-08-03 | 0 | 19.68 | 19.66 | 19.70 | 19.52 | 19.70 | 281,000 | 5,510,765 | 19.611 | 19.68 | 19.66 | 19.70 | 19.52 | 19.70 | 281,000 | 19.611 | 2.39% |
| 2009-07-31 | 0 | 19.22 | 19.20 | 19.22 | 18.82 | 19.26 | 261,500 | 5,004,685 | 19.138 | 19.22 | 19.20 | 19.22 | 18.82 | 19.26 | 261,500 | 19.138 | 3.56% |
| 2009-07-30 | 0 | 18.56 | 18.50 | 18.56 | 18.38 | 19.00 | 375,250 | 6,946,045 | 18.510 | 18.56 | 18.50 | 18.56 | 18.38 | 19.00 | 375,250 | 18.510 | -0.64% |
| 2009-07-29 | 0 | 18.68 | 18.70 | 18.74 | 18.68 | 19.16 | 209,750 | 3,950,965 | 18.837 | 18.68 | 18.70 | 18.74 | 18.68 | 19.16 | 209,750 | 18.837 | -2.91% |
| 2009-07-28 | 0 | 19.24 | 19.20 | 19.24 | 19.06 | 19.24 | 114,500 | 2,191,905 | 19.143 | 19.24 | 19.20 | 19.24 | 19.06 | 19.24 | 114,500 | 19.143 | 0.42% |
| 2009-07-27 | 0 | 19.16 | 19.12 | 19.16 | 19.04 | 19.20 | 194,750 | 3,724,710 | 19.126 | 19.16 | 19.12 | 19.16 | 19.04 | 19.20 | 194,750 | 19.126 | 0.74% |
| 2009-07-24 | 0 | 19.02 | 18.98 | 19.04 | 18.88 | 19.02 | 140,000 | 2,653,035 | 18.950 | 19.02 | 18.98 | 19.04 | 18.88 | 19.02 | 140,000 | 18.950 | 1.39% |
| 2009-07-23 | 0 | 18.76 | 18.70 | 18.78 | 18.60 | 18.76 | 146,000 | 2,733,275 | 18.721 | 18.76 | 18.70 | 18.78 | 18.60 | 18.76 | 146,000 | 18.721 | 1.08% |
| 2009-07-22 | 0 | 18.56 | 18.52 | 18.58 | 18.56 | 18.80 | 256,250 | 4,780,605 | 18.656 | 18.56 | 18.52 | 18.58 | 18.56 | 18.80 | 256,250 | 18.656 | -0.75% |
| 2009-07-21 | 0 | 18.70 | 18.60 | 18.70 | 18.62 | 18.80 | 204,750 | 3,832,095 | 18.716 | 18.70 | 18.60 | 18.70 | 18.62 | 18.80 | 204,750 | 18.716 | 0.00% |
| 2009-07-20 | 0 | 18.70 | 18.68 | 18.70 | 18.18 | 18.70 | 409,500 | 7,601,430 | 18.563 | 18.70 | 18.68 | 18.70 | 18.18 | 18.70 | 409,500 | 18.563 | 2.97% |
| 2009-07-17 | 0 | 18.16 | 18.16 | 18.18 | 18.10 | 18.18 | 67,750 | 1,228,600 | 18.134 | 18.16 | 18.16 | 18.18 | 18.10 | 18.18 | 67,750 | 18.134 | 0.44% |
| 2009-07-16 | 0 | 18.08 | 18.06 | 18.14 | 18.08 | 18.36 | 205,250 | 3,735,105 | 18.198 | 18.08 | 18.06 | 18.14 | 18.08 | 18.36 | 205,250 | 18.198 | 0.33% |
| 2009-07-15 | 0 | 18.02 | 18.00 | 18.08 | 17.84 | 18.04 | 275,750 | 4,945,765 | 17.936 | 18.02 | 18.00 | 18.08 | 17.84 | 18.04 | 275,750 | 17.936 | 1.24% |
| 2009-07-14 | 0 | 17.80 | 17.78 | 17.80 | 17.50 | 17.80 | 193,000 | 3,408,390 | 17.660 | 17.80 | 17.78 | 17.80 | 17.50 | 17.80 | 193,000 | 17.660 | 1.83% |
| 2009-07-13 | 0 | 17.48 | 17.44 | 17.50 | 17.42 | 17.62 | 316,500 | 5,545,325 | 17.521 | 17.48 | 17.44 | 17.50 | 17.42 | 17.62 | 316,500 | 17.521 | -0.79% |
| 2009-07-10 | 0 | 17.62 | 17.60 | 17.62 | 17.58 | 17.76 | 219,000 | 3,877,140 | 17.704 | 17.62 | 17.60 | 17.62 | 17.58 | 17.76 | 219,000 | 17.704 | -0.11% |
| 2009-07-09 | 0 | 17.64 | 17.64 | 17.70 | 17.60 | 17.68 | 259,000 | 4,566,285 | 17.630 | 17.64 | 17.64 | 17.70 | 17.60 | 17.68 | 259,000 | 17.630 | -0.90% |
| 2009-07-08 | 0 | 17.80 | 17.76 | 17.80 | 17.76 | 18.12 | 206,250 | 3,679,765 | 17.841 | 17.80 | 17.76 | 17.80 | 17.76 | 18.12 | 206,250 | 17.841 | -1.77% |
| 2009-07-07 | 0 | 18.12 | 18.08 | 18.20 | 18.00 | 18.20 | 136,000 | 2,465,275 | 18.127 | 18.12 | 18.08 | 18.20 | 18.00 | 18.20 | 136,000 | 18.127 | -0.11% |
| 2009-07-06 | 0 | 18.14 | 18.12 | 18.38 | 18.14 | 18.58 | 262,250 | 4,796,790 | 18.291 | 18.14 | 18.12 | 18.38 | 18.14 | 18.58 | 262,250 | 18.291 | -2.47% |
| 2009-07-03 | 0 | 18.60 | 18.58 | 18.70 | 18.50 | 18.72 | 399,250 | 7,412,930 | 18.567 | 18.60 | 18.58 | 18.70 | 18.50 | 18.72 | 399,250 | 18.567 | -2.31% |
| 2009-07-02 | 0 | 19.04 | 18.98 | 19.06 | 18.90 | 19.40 | 317,250 | 6,025,635 | 18.993 | 19.04 | 18.98 | 19.06 | 18.90 | 19.40 | 317,250 | 18.993 | -1.35% |
| 2009-06-30 | 0 | 19.30 | 19.26 | 19.34 | 19.10 | 19.34 | 117,000 | 2,257,525 | 19.295 | 19.30 | 19.26 | 19.34 | 19.10 | 19.34 | 117,000 | 19.295 | 1.79% |
| 2009-06-29 | 0 | 18.96 | 18.94 | 19.00 | 18.94 | 19.24 | 109,750 | 2,082,225 | 18.972 | 18.96 | 18.94 | 19.00 | 18.94 | 19.24 | 109,750 | 18.972 | -1.46% |
| 2009-06-26 | 0 | 19.24 | 19.22 | 19.30 | 18.94 | 19.26 | 249,500 | 4,781,085 | 19.163 | 19.24 | 19.22 | 19.30 | 18.94 | 19.26 | 249,500 | 19.163 | 2.01% |
| 2009-06-25 | 0 | 18.86 | 18.86 | 18.90 | 18.82 | 19.00 | 63,500 | 1,198,935 | 18.881 | 18.86 | 18.86 | 18.90 | 18.82 | 19.00 | 63,500 | 18.881 | 0.32% |
| 2009-06-24 | 0 | 18.80 | 18.74 | 18.80 | 18.52 | 18.80 | 158,500 | 2,960,040 | 18.675 | 18.80 | 18.74 | 18.80 | 18.52 | 18.80 | 158,500 | 18.675 | 1.62% |
| 2009-06-23 | 0 | 18.50 | 18.50 | 18.54 | 18.40 | 18.78 | 181,000 | 3,349,355 | 18.505 | 18.50 | 18.50 | 18.54 | 18.40 | 18.78 | 181,000 | 18.505 | -2.63% |
| 2009-06-22 | 0 | 19.00 | 18.98 | 19.14 | 18.98 | 19.40 | 425,750 | 8,109,235 | 19.047 | 19.00 | 18.98 | 19.14 | 18.98 | 19.40 | 425,750 | 19.047 | -2.06% |
| 2009-06-19 | 0 | 19.40 | 19.40 | 19.48 | 19.40 | 19.60 | 99,750 | 1,939,100 | 19.440 | 19.40 | 19.40 | 19.48 | 19.40 | 19.60 | 99,750 | 19.440 | -0.31% |
| 2009-06-18 | 0 | 19.46 | 19.44 | 19.48 | 19.34 | 19.48 | 194,000 | 3,767,250 | 19.419 | 19.46 | 19.44 | 19.48 | 19.34 | 19.48 | 194,000 | 19.419 | 0.41% |
| 2009-06-17 | 0 | 19.38 | 19.36 | 19.40 | 19.24 | 19.40 | 203,750 | 3,939,030 | 19.333 | 19.38 | 19.36 | 19.40 | 19.24 | 19.40 | 203,750 | 19.333 | 0.31% |
| 2009-06-16 | 0 | 19.32 | 19.30 | 19.36 | 19.16 | 19.40 | 636,250 | 12,243,805 | 19.244 | 19.32 | 19.30 | 19.36 | 19.16 | 19.40 | 636,250 | 19.244 | -0.92% |
| 2009-06-15 | 0 | 19.50 | 19.48 | 19.50 | 19.46 | 20.20 | 783,750 | 15,415,398 | 19.669 | 19.50 | 19.48 | 19.50 | 19.46 | 20.20 | 783,750 | 19.669 | -2.74% |
| 2009-06-12 | 0 | 20.05 | 20.00 | 20.20 | 19.98 | 20.40 | 843,000 | 17,008,400 | 20.176 | 20.05 | 20.00 | 20.20 | 19.98 | 20.40 | 843,000 | 20.176 | 1.67% |
| 2009-06-11 | 0 | 19.72 | 19.72 | 19.74 | 19.72 | 19.86 | 307,750 | 6,080,700 | 19.759 | 19.72 | 19.72 | 19.74 | 19.72 | 19.86 | 307,750 | 19.759 | -0.50% |
| 2009-06-10 | 0 | 19.82 | 19.82 | 19.84 | 19.62 | 19.90 | 323,250 | 6,388,975 | 19.765 | 19.82 | 19.82 | 19.84 | 19.62 | 19.90 | 323,250 | 19.765 | 2.27% |
| 2009-06-09 | 0 | 19.38 | 19.32 | 19.38 | 19.26 | 19.42 | 321,250 | 6,200,205 | 19.300 | 19.38 | 19.32 | 19.38 | 19.26 | 19.42 | 321,250 | 19.300 | 0.83% |
| 2009-06-08 | 0 | 19.22 | 19.22 | 19.26 | 19.20 | 19.52 | 501,750 | 9,712,055 | 19.356 | 19.22 | 19.22 | 19.26 | 19.20 | 19.52 | 501,750 | 19.356 | -1.94% |
| 2009-06-05 | 0 | 19.60 | 19.54 | 19.60 | 19.40 | 19.66 | 391,750 | 7,678,530 | 19.601 | 19.60 | 19.54 | 19.60 | 19.40 | 19.66 | 391,750 | 19.601 | 2.30% |
| 2009-06-04 | 0 | 19.16 | 19.14 | 19.18 | 19.02 | 19.48 | 470,000 | 8,994,990 | 19.138 | 19.16 | 19.14 | 19.18 | 19.02 | 19.48 | 470,000 | 19.138 | -2.34% |
| 2009-06-03 | 0 | 19.62 | 19.62 | 19.66 | 19.56 | 20.55 | 820,750 | 16,123,860 | 19.645 | 19.62 | 19.62 | 19.66 | 19.56 | 20.55 | 820,750 | 19.645 | 0.10% |
| 2009-06-02 | 0 | 19.60 | 19.60 | 19.64 | 19.50 | 20.25 | 620,000 | 12,228,815 | 19.724 | 19.60 | 19.60 | 19.64 | 19.50 | 20.25 | 620,000 | 19.724 | 1.24% |
| 2009-06-01 | 0 | 19.36 | 19.34 | 19.36 | 19.16 | 19.38 | 1,177,500 | 22,674,900 | 19.257 | 19.36 | 19.34 | 19.36 | 19.16 | 19.38 | 1,177,500 | 19.257 | 2.43% |
| 2009-05-29 | 0 | 18.90 | 18.90 | 18.92 | 18.72 | 18.92 | 476,750 | 8,955,085 | 18.784 | 18.90 | 18.90 | 18.92 | 18.72 | 18.92 | 476,750 | 18.784 | 2.27% |
| 2009-05-27 | 0 | 18.48 | 18.46 | 18.48 | 18.34 | 18.50 | 132,750 | 2,449,605 | 18.453 | 18.48 | 18.46 | 18.48 | 18.34 | 18.50 | 132,750 | 18.453 | 1.65% |
| 2009-05-26 | 0 | 18.18 | 18.18 | 18.20 | 18.12 | 18.60 | 248,250 | 4,525,570 | 18.230 | 18.18 | 18.18 | 18.20 | 18.12 | 18.60 | 248,250 | 18.230 | -0.87% |
| 2009-05-25 | 0 | 18.34 | 18.32 | 18.34 | 18.30 | 18.50 | 209,250 | 3,838,540 | 18.344 | 18.34 | 18.32 | 18.34 | 18.30 | 18.50 | 209,250 | 18.344 | -0.11% |
| 2009-05-22 | 0 | 18.36 | 18.34 | 18.36 | 18.28 | 18.60 | 222,250 | 4,075,680 | 18.338 | 18.36 | 18.34 | 18.36 | 18.28 | 18.60 | 222,250 | 18.338 | -0.22% |
| 2009-05-21 | 0 | 18.40 | 18.38 | 18.40 | 18.32 | 18.44 | 244,250 | 4,492,380 | 18.393 | 18.40 | 18.38 | 18.40 | 18.32 | 18.44 | 244,250 | 18.393 | 1.21% |
| 2009-05-20 | 0 | 18.18 | 18.16 | 18.20 | 18.16 | 18.34 | 126,750 | 2,307,380 | 18.204 | 18.18 | 18.16 | 18.20 | 18.16 | 18.34 | 126,750 | 18.204 | -0.87% |
| 2009-05-19 | 0 | 18.34 | 18.30 | 18.34 | 17.98 | 18.34 | 153,500 | 2,798,945 | 18.234 | 18.34 | 18.30 | 18.34 | 17.98 | 18.34 | 153,500 | 18.234 | 2.92% |
| 2009-05-18 | 0 | 17.82 | 17.78 | 17.82 | 17.60 | 18.06 | 648,250 | 11,468,860 | 17.692 | 17.82 | 17.78 | 17.82 | 17.60 | 18.06 | 648,250 | 17.692 | -2.09% |
| 2009-05-15 | 0 | 18.20 | 18.14 | 18.20 | 18.00 | 18.26 | 158,500 | 2,877,640 | 18.155 | 18.20 | 18.14 | 18.20 | 18.00 | 18.26 | 158,500 | 18.155 | 1.45% |
| 2009-05-14 | 0 | 17.94 | 17.94 | 17.96 | 17.92 | 18.46 | 222,250 | 4,001,775 | 18.006 | 17.94 | 17.94 | 17.96 | 17.92 | 18.46 | 222,250 | 18.006 | -2.71% |
| 2009-05-13 | 0 | 18.44 | 18.42 | 18.44 | 18.40 | 18.52 | 188,000 | 3,471,140 | 18.464 | 18.44 | 18.42 | 18.44 | 18.40 | 18.52 | 188,000 | 18.464 | 0.88% |
| 2009-05-12 | 0 | 18.28 | 18.28 | 18.34 | 18.06 | 18.28 | 152,500 | 2,771,285 | 18.172 | 18.28 | 18.28 | 18.34 | 18.06 | 18.28 | 152,500 | 18.172 | 1.11% |
| 2009-05-11 | 0 | 18.08 | 18.06 | 18.08 | 18.06 | 18.50 | 527,750 | 9,651,720 | 18.288 | 18.08 | 18.06 | 18.08 | 18.06 | 18.50 | 527,750 | 18.288 | -0.77% |
| 2009-05-08 | 0 | 18.22 | 18.20 | 18.24 | 18.00 | 18.24 | 1,036,500 | 18,791,145 | 18.129 | 18.22 | 18.20 | 18.24 | 18.00 | 18.24 | 1,036,500 | 18.129 | 1.67% |
| 2009-05-07 | 0 | 17.92 | 17.90 | 17.92 | 17.54 | 17.92 | 373,250 | 6,662,325 | 17.849 | 17.92 | 17.90 | 17.92 | 17.54 | 17.92 | 373,250 | 17.849 | 2.99% |
| 2009-05-06 | 0 | 17.40 | 17.40 | 17.46 | 17.28 | 17.50 | 135,090 | 2,342,051 | 17.337 | 17.40 | 17.40 | 17.46 | 17.28 | 17.50 | 135,090 | 17.337 | 0.00% |
| 2009-05-05 | 0 | 17.40 | 17.36 | 17.40 | 17.34 | 17.46 | 240,250 | 4,185,060 | 17.420 | 17.40 | 17.36 | 17.40 | 17.34 | 17.46 | 240,250 | 17.420 | 0.46% |
| 2009-05-04 | 0 | 17.32 | 17.30 | 17.32 | 16.82 | 17.32 | 393,500 | 6,787,175 | 17.248 | 17.32 | 17.30 | 17.32 | 16.82 | 17.32 | 393,500 | 17.248 | 3.59% |
| 2009-04-30 | 0 | 16.72 | 16.66 | 16.80 | 16.48 | 16.74 | 300,500 | 5,001,650 | 16.644 | 16.72 | 16.66 | 16.80 | 16.48 | 16.74 | 300,500 | 16.644 | 1.70% |
| 2009-04-29 | 0 | 16.44 | 16.38 | 16.44 | 16.20 | 16.44 | 76,500 | 1,245,310 | 16.279 | 16.44 | 16.38 | 16.44 | 16.20 | 16.44 | 76,500 | 16.279 | 1.23% |
| 2009-04-28 | 0 | 16.24 | 16.20 | 16.24 | 16.20 | 16.44 | 126,000 | 2,046,670 | 16.243 | 16.24 | 16.20 | 16.24 | 16.20 | 16.44 | 126,000 | 16.243 | -0.49% |
| 2009-04-27 | 0 | 16.32 | 16.32 | 16.36 | 16.32 | 16.58 | 269,750 | 4,444,905 | 16.478 | 16.32 | 16.32 | 16.36 | 16.32 | 16.58 | 269,750 | 16.478 | -1.21% |
| 2009-04-24 | 0 | 16.52 | 16.50 | 16.54 | 16.42 | 16.52 | 102,750 | 1,692,815 | 16.475 | 16.52 | 16.50 | 16.54 | 16.42 | 16.52 | 102,750 | 16.475 | 0.73% |
| 2009-04-23 | 0 | 16.40 | 16.40 | 16.42 | 16.28 | 16.42 | 157,250 | 2,572,455 | 16.359 | 16.40 | 16.40 | 16.42 | 16.28 | 16.42 | 157,250 | 16.359 | 0.24% |
| 2009-04-22 | 0 | 16.36 | 16.34 | 16.36 | 16.30 | 16.54 | 216,000 | 3,550,295 | 16.437 | 16.36 | 16.34 | 16.36 | 16.30 | 16.54 | 216,000 | 16.437 | 0.12% |
| 2009-04-21 | 0 | 16.34 | 16.32 | 16.34 | 16.28 | 16.70 | 316,000 | 5,165,490 | 16.346 | 16.34 | 16.32 | 16.34 | 16.28 | 16.70 | 316,000 | 16.346 | -3.31% |
| 2009-04-20 | 0 | 16.90 | 16.88 | 16.90 | 16.82 | 17.00 | 93,500 | 1,575,400 | 16.849 | 16.90 | 16.88 | 16.90 | 16.82 | 17.00 | 93,500 | 16.849 | 0.00% |
| 2009-04-17 | 0 | 16.90 | 16.88 | 16.90 | 16.86 | 17.10 | 216,000 | 3,652,710 | 16.911 | 16.90 | 16.88 | 16.90 | 16.86 | 17.10 | 216,000 | 16.911 | -0.59% |
| 2009-04-16 | 0 | 17.00 | 17.00 | 17.06 | 16.98 | 17.08 | 79,500 | 1,354,190 | 17.034 | 17.00 | 17.00 | 17.06 | 16.98 | 17.08 | 79,500 | 17.034 | 0.00% |
| 2009-04-15 | 0 | 17.00 | 16.98 | 17.02 | 16.92 | 17.00 | 210,000 | 3,560,775 | 16.956 | 17.00 | 16.98 | 17.02 | 16.92 | 17.00 | 210,000 | 16.956 | 0.00% |
| 2009-04-14 | 0 | 17.00 | 17.00 | 17.04 | 17.00 | 17.10 | 332,000 | 5,658,125 | 17.043 | 17.00 | 17.00 | 17.04 | 17.00 | 17.10 | 332,000 | 17.043 | -0.47% |
| 2009-04-09 | 0 | 17.08 | 17.00 | 17.08 | 16.80 | 17.08 | 181,250 | 3,073,855 | 16.959 | 17.08 | 17.00 | 17.08 | 16.80 | 17.08 | 181,250 | 16.959 | 3.02% |
| 2009-04-08 | 0 | 16.58 | 16.56 | 16.60 | 16.56 | 16.98 | 184,750 | 3,074,065 | 16.639 | 16.58 | 16.56 | 16.60 | 16.56 | 16.98 | 184,750 | 16.639 | -2.47% |
| 2009-04-07 | 0 | 17.00 | 17.00 | 17.06 | 16.88 | 17.30 | 173,000 | 2,937,640 | 16.981 | 17.00 | 17.00 | 17.06 | 16.88 | 17.30 | 173,000 | 16.981 | -1.96% |
| 2009-04-06 | 0 | 17.34 | 17.30 | 17.36 | 17.10 | 17.42 | 284,500 | 4,925,875 | 17.314 | 17.34 | 17.30 | 17.36 | 17.10 | 17.42 | 284,500 | 17.314 | 2.00% |
| 2009-04-03 | 0 | 17.00 | 16.98 | 17.02 | 16.88 | 17.02 | 233,500 | 3,953,950 | 16.933 | 17.00 | 16.98 | 17.02 | 16.88 | 17.02 | 233,500 | 16.933 | 2.53% |
| 2009-04-02 | 0 | 16.58 | 16.56 | 16.58 | 16.40 | 16.70 | 299,250 | 4,941,365 | 16.512 | 16.58 | 16.56 | 16.58 | 16.40 | 16.70 | 299,250 | 16.512 | -0.96% |
| 2009-04-01 | 0 | 16.74 | 16.74 | 16.78 | 16.38 | 16.80 | 151,250 | 2,531,920 | 16.740 | 16.74 | 16.74 | 16.78 | 16.38 | 16.80 | 151,250 | 16.740 | 2.45% |
| 2009-03-31 | 0 | 16.34 | 16.30 | 16.34 | 16.22 | 16.46 | 207,000 | 3,377,915 | 16.318 | 16.34 | 16.30 | 16.34 | 16.22 | 16.46 | 207,000 | 16.318 | -0.85% |
| 2009-03-30 | 0 | 16.48 | 16.46 | 16.48 | 16.46 | 17.06 | 267,000 | 4,439,810 | 16.629 | 16.48 | 16.46 | 16.48 | 16.46 | 17.06 | 267,000 | 16.629 | -3.40% |
| 2009-03-27 | 0 | 17.06 | 17.04 | 17.06 | 17.02 | 17.24 | 103,500 | 1,768,600 | 17.088 | 17.06 | 17.04 | 17.06 | 17.02 | 17.24 | 103,500 | 17.088 | -0.58% |
| 2009-03-26 | 0 | 17.16 | 17.14 | 17.16 | 17.04 | 17.16 | 136,000 | 2,325,195 | 17.097 | 17.16 | 17.14 | 17.16 | 17.04 | 17.16 | 136,000 | 17.097 | 0.00% |
| 2009-03-25 | 0 | 17.16 | 17.08 | 17.16 | 17.08 | 17.24 | 179,500 | 3,083,665 | 17.179 | 17.16 | 17.08 | 17.16 | 17.08 | 17.24 | 179,500 | 17.179 | -0.81% |
| 2009-03-24 | 0 | 17.30 | 17.28 | 17.30 | 17.28 | 17.44 | 457,000 | 7,913,670 | 17.317 | 17.30 | 17.28 | 17.30 | 17.28 | 17.44 | 457,000 | 17.317 | 0.12% |
| 2009-03-23 | 0 | 17.28 | 17.26 | 17.28 | 17.06 | 17.28 | 588,250 | 10,091,390 | 17.155 | 17.28 | 17.26 | 17.28 | 17.06 | 17.28 | 588,250 | 17.155 | 1.29% |
| 2009-03-20 | 0 | 17.06 | 17.06 | 17.08 | 16.90 | 17.20 | 788,000 | 13,383,565 | 16.984 | 17.06 | 17.06 | 17.08 | 16.90 | 17.20 | 788,000 | 16.984 | 3.39% |
| 2009-03-19 | 0 | 16.50 | 16.40 | 16.52 | 16.34 | 16.52 | 390,500 | 6,420,790 | 16.442 | 16.50 | 16.40 | 16.52 | 16.34 | 16.52 | 390,500 | 16.442 | 1.35% |
| 2009-03-18 | 0 | 16.28 | 16.30 | 16.32 | 16.18 | 16.30 | 117,750 | 1,915,455 | 16.267 | 16.28 | 16.30 | 16.32 | 16.18 | 16.30 | 117,750 | 16.267 | 1.24% |
| 2009-03-17 | 0 | 16.08 | 16.10 | 16.20 | 16.00 | 16.14 | 155,000 | 2,493,790 | 16.089 | 16.08 | 16.10 | 16.20 | 16.00 | 16.14 | 155,000 | 16.089 | 1.90% |
| 2009-03-16 | 0 | 15.78 | 15.76 | 15.80 | 15.66 | 15.88 | 70,250 | 1,105,360 | 15.735 | 15.78 | 15.76 | 15.80 | 15.66 | 15.88 | 70,250 | 15.735 | -0.63% |
| 2009-03-13 | 0 | 15.88 | 15.86 | 15.90 | 15.86 | 15.96 | 168,000 | 2,672,845 | 15.910 | 15.88 | 15.86 | 15.90 | 15.86 | 15.96 | 168,000 | 15.910 | 3.52% |
| 2009-03-12 | 0 | 15.34 | 15.32 | 15.80 | 15.32 | 15.56 | 95,500 | 1,467,000 | 15.361 | 15.34 | 15.32 | 15.80 | 15.32 | 15.56 | 95,500 | 15.361 | -1.54% |
| 2009-03-11 | 0 | 15.58 | 15.58 | 15.60 | 15.58 | 15.66 | 63,000 | 986,135 | 15.653 | 15.58 | 15.58 | 15.60 | 15.58 | 15.66 | 63,000 | 15.653 | -1.14% |
| 2009-03-10 | 0 | 15.76 | 15.72 | 15.86 | 15.64 | 15.90 | 128,750 | 2,028,380 | 15.754 | 15.76 | 15.72 | 15.86 | 15.64 | 15.90 | 128,750 | 15.754 | -0.63% |
| 2009-03-09 | 0 | 15.86 | 15.70 | 15.86 | 15.76 | 15.90 | 48,750 | 772,275 | 15.842 | 15.86 | 15.70 | 15.86 | 15.76 | 15.90 | 48,750 | 15.842 | 1.41% |
| 2009-03-06 | 0 | 15.64 | 15.64 | 15.98 | 15.50 | 15.74 | 72,500 | 1,128,580 | 15.567 | 15.64 | 15.64 | 15.98 | 15.50 | 15.74 | 72,500 | 15.567 | -1.51% |
| 2009-03-05 | 0 | 15.88 | 15.80 | 15.90 | 15.78 | 15.96 | 182,000 | 2,891,945 | 15.890 | 15.88 | 15.80 | 15.90 | 15.78 | 15.96 | 182,000 | 15.890 | 2.72% |
| 2009-03-04 | 0 | 15.46 | 15.40 | 15.46 | 15.28 | 15.46 | 58,558 | 900,022 | 15.370 | 15.46 | 15.40 | 15.46 | 15.28 | 15.46 | 58,558 | 15.370 | 1.84% |
| 2009-03-03 | 0 | 15.18 | 15.12 | 15.40 | 15.02 | 15.40 | 191,750 | 2,899,925 | 15.123 | 15.18 | 15.12 | 15.40 | 15.02 | 15.40 | 191,750 | 15.123 | -3.31% |
| 2009-03-02 | 0 | 15.70 | 15.58 | 15.76 | 15.70 | 15.98 | 67,750 | 1,067,420 | 15.755 | 15.70 | 15.58 | 15.76 | 15.70 | 15.98 | 67,750 | 15.755 | -1.26% |
| 2009-02-27 | 0 | 15.90 | 15.90 | 15.98 | 15.72 | 15.92 | 179,250 | 2,844,660 | 15.870 | 15.90 | 15.90 | 15.98 | 15.72 | 15.92 | 179,250 | 15.870 | 1.53% |
| 2009-02-26 | 0 | 15.66 | 15.62 | 15.66 | 15.60 | 15.70 | 129,500 | 2,027,345 | 15.655 | 15.66 | 15.62 | 15.66 | 15.60 | 15.70 | 129,500 | 15.655 | 2.35% |
| 2009-02-25 | 0 | 15.30 | 15.26 | 15.30 | 15.24 | 15.38 | 36,250 | 554,100 | 15.286 | 15.30 | 15.26 | 15.30 | 15.24 | 15.38 | 36,250 | 15.286 | 1.86% |
| 2009-02-24 | 0 | 15.02 | 15.02 | 15.08 | 15.00 | 15.26 | 88,500 | 1,332,110 | 15.052 | 15.02 | 15.02 | 15.08 | 15.00 | 15.26 | 88,500 | 15.052 | -2.47% |
| 2009-02-23 | 0 | 15.40 | 15.30 | 16.00 | 15.10 | 15.40 | 100,750 | 1,540,860 | 15.294 | 15.40 | 15.30 | 16.00 | 15.10 | 15.40 | 100,750 | 15.294 | 1.32% |
| 2009-02-20 | 0 | 15.20 | 15.20 | 15.30 | 15.20 | 15.34 | 128,750 | 1,969,000 | 15.293 | 15.20 | 15.20 | 15.30 | 15.20 | 15.34 | 128,750 | 15.293 | 0.13% |
| 2009-02-19 | 0 | 15.18 | 15.18 | 15.24 | 15.10 | 15.30 | 146,250 | 2,217,485 | 15.162 | 15.18 | 15.18 | 15.24 | 15.10 | 15.30 | 146,250 | 15.162 | -0.78% |
| 2009-02-18 | 0 | 15.30 | 15.30 | 16.60 | 15.28 | 15.60 | 414,250 | 6,346,375 | 15.320 | 15.30 | 15.30 | 16.60 | 15.28 | 15.60 | 414,250 | 15.320 | -3.53% |
| 2009-02-17 | 0 | 15.86 | 15.86 | 15.92 | 15.86 | 16.00 | 122,750 | 1,952,205 | 15.904 | 15.86 | 15.86 | 15.92 | 15.86 | 16.00 | 122,750 | 15.904 | -0.63% |
| 2009-02-16 | 0 | 15.96 | 15.96 | 16.20 | 15.96 | 16.20 | 244,500 | 3,911,495 | 15.998 | 15.96 | 15.96 | 16.20 | 15.96 | 16.20 | 244,500 | 15.998 | -1.48% |
| 2009-02-13 | 0 | 16.20 | 16.20 | 17.00 | 16.20 | 16.34 | 297,250 | 4,830,360 | 16.250 | 16.20 | 16.20 | 17.00 | 16.20 | 16.34 | 297,250 | 16.250 | -0.86% |
| 2009-02-12 | 0 | 16.34 | 16.32 | 16.38 | 16.28 | 16.40 | 222,000 | 3,623,310 | 16.321 | 16.34 | 16.32 | 16.38 | 16.28 | 16.40 | 222,000 | 16.321 | -0.49% |
| 2009-02-11 | 0 | 16.42 | 16.40 | 16.70 | 16.38 | 16.96 | 186,500 | 3,065,040 | 16.435 | 16.42 | 16.40 | 16.70 | 16.38 | 16.96 | 186,500 | 16.435 | -2.61% |
| 2009-02-10 | 0 | 16.86 | 16.86 | 16.90 | 16.78 | 16.88 | 86,000 | 1,448,430 | 16.842 | 16.86 | 16.86 | 16.90 | 16.78 | 16.88 | 86,000 | 16.842 | 0.36% |
| 2009-02-09 | 0 | 16.80 | 16.80 | 16.90 | 16.76 | 17.00 | 976,500 | 16,400,930 | 16.796 | 16.80 | 16.80 | 16.90 | 16.76 | 17.00 | 976,500 | 16.796 | 0.36% |
| 2009-02-06 | 0 | 16.74 | 16.74 | 16.76 | 16.66 | 16.82 | 278,000 | 4,656,115 | 16.749 | 16.74 | 16.74 | 16.76 | 16.66 | 16.82 | 278,000 | 16.749 | 2.07% |
| 2009-02-05 | 0 | 16.40 | 16.38 | 16.40 | 16.38 | 16.42 | 88,750 | 1,455,795 | 16.403 | 16.40 | 16.38 | 16.40 | 16.38 | 16.42 | 88,750 | 16.403 | 0.12% |
| 2009-02-04 | 0 | 16.38 | 16.36 | 16.38 | 16.38 | 16.44 | 68,930 | 1,130,152 | 16.396 | 16.38 | 16.36 | 16.38 | 16.38 | 16.44 | 68,930 | 16.396 | -0.12% |
| 2009-02-03 | 0 | 16.40 | 16.36 | - | 16.34 | 16.48 | 101,250 | 1,657,840 | 16.374 | 16.40 | 16.36 | - | 16.34 | 16.48 | 101,250 | 16.374 | -0.36% |
| 2009-02-02 | 0 | 16.46 | 16.46 | 16.50 | 16.46 | 16.80 | 125,250 | 2,073,340 | 16.554 | 16.46 | 16.46 | 16.50 | 16.46 | 16.80 | 125,250 | 16.554 | -1.08% |
| 2009-01-30 | 0 | 16.64 | 16.60 | 16.66 | 16.58 | 16.70 | 33,750 | 561,380 | 16.633 | 16.64 | 16.60 | 16.66 | 16.58 | 16.70 | 33,750 | 16.633 | 0.24% |
| 2009-01-29 | 0 | 16.60 | 16.60 | 16.68 | 16.58 | 16.70 | 32,500 | 541,405 | 16.659 | 16.60 | 16.60 | 16.68 | 16.58 | 16.70 | 32,500 | 16.659 | 1.47% |
| 2009-01-23 | 0 | 16.36 | 16.32 | 16.40 | 16.36 | 16.46 | 45,250 | 742,775 | 16.415 | 16.36 | 16.32 | 16.40 | 16.36 | 16.46 | 45,250 | 16.415 | -1.80% |
| 2009-01-22 | 0 | 16.66 | 16.60 | 16.70 | 16.60 | 16.76 | 26,250 | 437,995 | 16.686 | 16.66 | 16.60 | 16.70 | 16.60 | 16.76 | 26,250 | 16.686 | 2.71% |
| 2009-01-21 | 0 | 16.22 | 16.20 | 16.40 | 16.20 | 16.50 | 64,000 | 1,044,495 | 16.320 | 16.22 | 16.20 | 16.40 | 16.20 | 16.50 | 64,000 | 16.320 | -0.25% |
| 2009-01-20 | 0 | 16.26 | 16.30 | 16.48 | 16.26 | 16.58 | 540,500 | 8,830,930 | 16.338 | 16.26 | 16.30 | 16.48 | 16.26 | 16.58 | 540,500 | 16.338 | -2.17% |
| 2009-01-19 | 0 | 16.62 | 16.60 | 16.96 | 16.60 | 16.70 | 121,500 | 2,020,515 | 16.630 | 16.62 | 16.60 | 16.96 | 16.60 | 16.70 | 121,500 | 16.630 | 0.12% |
| 2009-01-16 | 0 | 16.60 | 16.60 | 16.96 | 16.50 | 16.70 | 95,500 | 1,588,035 | 16.629 | 16.60 | 16.60 | 16.96 | 16.50 | 16.70 | 95,500 | 16.629 | 0.85% |
| 2009-01-15 | 0 | 16.46 | 16.44 | 16.70 | 16.38 | 16.80 | 75,000 | 1,234,940 | 16.466 | 16.46 | 16.44 | 16.70 | 16.38 | 16.80 | 75,000 | 16.466 | -2.49% |
| 2009-01-14 | 0 | 16.88 | 16.88 | 16.90 | 16.80 | 16.92 | 93,250 | 1,572,340 | 16.862 | 16.88 | 16.88 | 16.90 | 16.80 | 16.92 | 93,250 | 16.862 | 2.55% |
| 2009-01-13 | 0 | 16.46 | 16.42 | 16.54 | 16.38 | 17.00 | 287,500 | 4,769,340 | 16.589 | 16.46 | 16.42 | 16.54 | 16.38 | 17.00 | 287,500 | 16.589 | -4.64% |
| 2009-01-12 | 0 | 17.26 | 17.20 | 17.30 | 17.18 | 17.80 | 81,250 | 1,403,345 | 17.272 | 17.26 | 17.20 | 17.30 | 17.18 | 17.80 | 81,250 | 17.272 | -0.80% |
| 2009-01-09 | 0 | 17.40 | 17.40 | 17.50 | 17.40 | 17.50 | 77,000 | 1,342,930 | 17.441 | 17.40 | 17.40 | 17.50 | 17.40 | 17.50 | 77,000 | 17.441 | 0.58% |
| 2009-01-08 | 0 | 17.30 | 17.24 | 17.36 | 17.30 | 18.20 | 181,500 | 3,159,210 | 17.406 | 17.30 | 17.24 | 17.36 | 17.30 | 18.20 | 181,500 | 17.406 | -5.36% |
| 2009-01-07 | 0 | 18.28 | 18.28 | 18.40 | 18.16 | 18.50 | 199,000 | 3,649,365 | 18.339 | 18.28 | 18.28 | 18.40 | 18.16 | 18.50 | 199,000 | 18.339 | 0.22% |
| 2009-01-06 | 0 | 18.24 | 18.22 | 18.30 | 18.16 | 18.34 | 159,500 | 2,910,410 | 18.247 | 18.24 | 18.22 | 18.30 | 18.16 | 18.34 | 159,500 | 18.247 | 1.45% |
| 2009-01-05 | 0 | 17.98 | 17.92 | 18.02 | 17.86 | 18.06 | 352,750 | 6,340,140 | 17.973 | 17.98 | 17.92 | 18.02 | 17.86 | 18.06 | 352,750 | 17.973 | 5.76% |
| 2009-01-02 | 0 | 17.00 | 16.98 | 17.00 | 16.76 | 17.10 | 260,750 | 4,440,330 | 17.029 | 17.00 | 16.98 | 17.00 | 16.76 | 17.10 | 260,750 | 17.029 | 4.29% |
| 2008-12-31 | 0 | 16.30 | 16.28 | 16.30 | 16.30 | 16.38 | 66,500 | 1,085,835 | 16.328 | 16.30 | 16.28 | 16.30 | 16.30 | 16.38 | 66,500 | 16.328 | -1.21% |
| 2008-12-30 | 0 | 16.50 | 16.40 | 16.56 | 16.46 | 17.00 | 223,220 | 3,691,409 | 16.537 | 16.50 | 16.40 | 16.56 | 16.46 | 17.00 | 223,220 | 16.537 | -0.84% |
| 2008-12-29 | 0 | 16.64 | 16.62 | 16.76 | 16.46 | 16.64 | 197,750 | 3,266,195 | 16.517 | 16.64 | 16.62 | 16.76 | 16.46 | 16.64 | 197,750 | 16.517 | 2.34% |
| 2008-12-24 | 0 | 16.26 | 16.26 | 16.32 | 16.24 | 16.30 | 11,250 | 183,175 | 16.282 | 16.26 | 16.26 | 16.32 | 16.24 | 16.30 | 11,250 | 16.282 | 0.74% |
| 2008-12-23 | 0 | 16.14 | 16.10 | 16.84 | 16.06 | 16.58 | 185,750 | 2,998,045 | 16.140 | 16.14 | 16.10 | 16.84 | 16.06 | 16.58 | 185,750 | 16.140 | -3.58% |
| 2008-12-22 | 0 | 16.74 | 16.74 | 16.84 | 16.68 | 16.76 | 123,000 | 2,057,255 | 16.726 | 16.74 | 16.74 | 16.84 | 16.68 | 16.76 | 123,000 | 16.726 | 0.00% |
| 2008-12-19 | 0 | 16.74 | 16.72 | - | 16.62 | 16.90 | 244,250 | 4,073,070 | 16.676 | 16.74 | 16.72 | - | 16.62 | 16.90 | 244,250 | 16.676 | -1.76% |
| 2008-12-18 | 0 | 17.04 | 16.98 | 17.30 | 16.92 | 17.04 | 115,000 | 1,952,870 | 16.981 | 17.04 | 16.98 | 17.30 | 16.92 | 17.04 | 115,000 | 16.981 | -1.50% |
| 2008-12-17 | 0 | 17.30 | 17.30 | 17.40 | 17.20 | 17.38 | 155,750 | 2,687,600 | 17.256 | 17.30 | 17.30 | 17.40 | 17.20 | 17.38 | 155,750 | 17.256 | 2.13% |
| 2008-12-16 | 0 | 16.94 | 16.92 | 16.94 | 16.90 | 17.44 | 136,750 | 2,320,245 | 16.967 | 16.94 | 16.92 | 16.94 | 16.90 | 17.44 | 136,750 | 16.967 | -2.31% |
| 2008-12-15 | 0 | 17.34 | 17.32 | 17.38 | 17.30 | 17.44 | 105,250 | 1,830,200 | 17.389 | 17.34 | 17.32 | 17.38 | 17.30 | 17.44 | 105,250 | 17.389 | 2.00% |
| 2008-12-12 | 0 | 17.00 | 16.96 | 17.18 | 16.90 | 17.26 | 459,750 | 7,876,720 | 17.133 | 17.00 | 16.96 | 17.18 | 16.90 | 17.26 | 459,750 | 17.133 | 1.07% |
| 2008-12-11 | 0 | 16.82 | 16.82 | 17.18 | 16.68 | 16.88 | 1,041,500 | 17,492,340 | 16.795 | 16.82 | 16.82 | 17.18 | 16.68 | 16.88 | 1,041,500 | 16.795 | 1.94% |
| 2008-12-10 | 0 | 16.50 | 16.48 | 16.50 | 16.38 | 16.58 | 249,250 | 4,103,360 | 16.463 | 16.50 | 16.48 | 16.50 | 16.38 | 16.58 | 249,250 | 16.463 | -0.48% |
| 2008-12-09 | 0 | 16.58 | 16.54 | 16.78 | 16.46 | 17.16 | 357,750 | 5,931,050 | 16.579 | 16.58 | 16.54 | 16.78 | 16.46 | 17.16 | 357,750 | 16.579 | -0.12% |
| 2008-12-08 | 0 | 16.60 | 16.22 | 16.60 | 16.00 | 16.72 | 279,500 | 4,545,455 | 16.263 | 16.60 | 16.22 | 16.60 | 16.00 | 16.72 | 279,500 | 16.263 | 0.85% |
| 2008-12-05 | 0 | 16.46 | 16.42 | 16.86 | 16.36 | 17.00 | 368,000 | 6,058,430 | 16.463 | 16.46 | 16.42 | 16.86 | 16.36 | 17.00 | 368,000 | 16.463 | -3.18% |
| 2008-12-04 | 0 | 17.00 | 16.96 | - | 17.00 | 17.40 | 110,000 | 1,875,920 | 17.054 | 17.00 | 16.96 | - | 17.00 | 17.40 | 110,000 | 17.054 | -2.75% |
| 2008-12-03 | 0 | 17.48 | 17.40 | - | 17.40 | 17.52 | 19,750 | 345,115 | 17.474 | 17.48 | 17.40 | - | 17.40 | 17.52 | 19,750 | 17.474 | -0.11% |
| 2008-12-02 | 0 | 17.50 | 17.46 | 18.50 | 17.48 | 18.16 | 35,500 | 622,645 | 17.539 | 17.50 | 17.46 | 18.50 | 17.48 | 18.16 | 35,500 | 17.539 | -4.48% |
| 2008-12-01 | 0 | 18.32 | 18.20 | 18.60 | 18.32 | 18.76 | 21,500 | 396,005 | 18.419 | 18.32 | 18.20 | 18.60 | 18.32 | 18.76 | 21,500 | 18.419 | -1.08% |
| 2008-11-28 | 0 | 18.52 | 18.36 | 18.60 | 18.44 | 18.54 | 11,750 | 217,345 | 18.497 | 18.52 | 18.36 | 18.60 | 18.44 | 18.54 | 11,750 | 18.497 | 0.87% |
| 2008-11-27 | 0 | 18.36 | 18.02 | 18.50 | 18.36 | 18.50 | 58,500 | 1,080,490 | 18.470 | 18.36 | 18.02 | 18.50 | 18.36 | 18.50 | 58,500 | 18.470 | 2.00% |
| 2008-11-26 | 0 | 18.00 | 17.98 | 18.04 | 18.00 | 18.04 | 15,750 | 283,910 | 18.026 | 18.00 | 17.98 | 18.04 | 18.00 | 18.04 | 15,750 | 18.026 | -1.21% |
| 2008-11-25 | 0 | 18.22 | 18.18 | 18.26 | 18.22 | 18.34 | 12,000 | 219,320 | 18.277 | 18.22 | 18.18 | 18.26 | 18.22 | 18.34 | 12,000 | 18.277 | 3.88% |
| 2008-11-24 | 0 | 17.54 | 17.50 | - | 17.48 | 17.56 | 33,750 | 590,600 | 17.499 | 17.54 | 17.50 | - | 17.48 | 17.56 | 33,750 | 17.499 | 0.34% |
| 2008-11-21 | 0 | 17.48 | 17.20 | 18.10 | 17.10 | 17.50 | 34,000 | 586,585 | 17.253 | 17.48 | 17.20 | 18.10 | 17.10 | 17.50 | 34,000 | 17.253 | -2.78% |
| 2008-11-20 | 0 | 17.98 | 17.96 | 18.10 | 17.98 | 18.10 | 99,500 | 1,793,590 | 18.026 | 17.98 | 17.96 | 18.10 | 17.98 | 18.10 | 99,500 | 18.026 | -1.75% |
| 2008-11-19 | 0 | 18.30 | 18.22 | 18.30 | 18.30 | 18.32 | 4,250 | 77,795 | 18.305 | 18.30 | 18.22 | 18.30 | 18.30 | 18.32 | 4,250 | 18.305 | -0.33% |
| 2008-11-18 | 0 | 18.36 | 18.30 | 18.38 | 18.34 | 18.58 | 19,750 | 362,750 | 18.367 | 18.36 | 18.30 | 18.38 | 18.34 | 18.58 | 19,750 | 18.367 | -1.18% |
| 2008-11-17 | 0 | 18.58 | 18.54 | - | 18.56 | 18.66 | 31,250 | 581,260 | 18.600 | 18.58 | 18.54 | - | 18.56 | 18.66 | 31,250 | 18.600 | -1.17% |
| 2008-11-14 | 0 | 18.80 | 18.66 | 18.80 | 18.72 | 18.90 | 35,500 | 666,220 | 18.767 | 18.80 | 18.66 | 18.80 | 18.72 | 18.90 | 35,500 | 18.767 | 3.07% |
| 2008-11-13 | 0 | 18.24 | 18.22 | 18.32 | 18.26 | 19.00 | 46,750 | 861,395 | 18.426 | 18.24 | 18.22 | 18.32 | 18.26 | 19.00 | 46,750 | 18.426 | -4.20% |
| 2008-11-12 | 0 | 19.04 | 19.04 | 19.12 | 19.02 | 19.36 | 26,250 | 502,925 | 19.159 | 19.04 | 19.04 | 19.12 | 19.02 | 19.36 | 26,250 | 19.159 | -2.36% |
| 2008-11-11 | 0 | 19.50 | 19.42 | 19.56 | 19.50 | 19.82 | 29,000 | 567,310 | 19.562 | 19.50 | 19.42 | 19.56 | 19.50 | 19.82 | 29,000 | 19.562 | -1.81% |
| 2008-11-10 | 0 | 19.86 | 19.84 | 19.94 | 19.86 | 19.94 | 52,250 | 1,041,155 | 19.926 | 19.86 | 19.84 | 19.94 | 19.86 | 19.94 | 52,250 | 19.926 | 1.64% |
| 2008-11-07 | 0 | 19.54 | 19.52 | 19.68 | 19.32 | 19.60 | 10,500 | 204,610 | 19.487 | 19.54 | 19.52 | 19.68 | 19.32 | 19.60 | 10,500 | 19.487 | -1.91% |
| 2008-11-06 | 0 | 19.92 | 19.60 | 20.10 | 19.92 | 20.65 | 18,750 | 376,283 | 20.068 | 19.92 | 19.60 | 20.10 | 19.92 | 20.65 | 18,750 | 20.068 | -3.54% |
| 2008-11-05 | 0 | 20.65 | 20.50 | 20.80 | 20.60 | 20.90 | 60,250 | 1,253,425 | 20.804 | 20.65 | 20.50 | 20.80 | 20.60 | 20.90 | 60,250 | 20.804 | 3.77% |
| 2008-11-04 | 0 | 19.90 | 19.84 | 19.90 | 19.88 | 20.05 | 13,500 | 268,880 | 19.917 | 19.90 | 19.84 | 19.90 | 19.88 | 20.05 | 13,500 | 19.917 | -2.93% |
| 2008-11-03 | 0 | 20.50 | 20.05 | 20.60 | 20.40 | 20.60 | 28,500 | 584,938 | 20.524 | 20.50 | 20.05 | 20.60 | 20.40 | 20.60 | 28,500 | 20.524 | 2.81% |
| 2008-10-31 | 0 | 19.94 | 19.82 | 19.98 | 19.82 | 21.10 | 18,000 | 359,420 | 19.968 | 19.94 | 19.82 | 19.98 | 19.82 | 21.10 | 18,000 | 19.968 | -5.72% |
| 2008-10-30 | 0 | 21.15 | 21.10 | 21.15 | 20.85 | 21.35 | 25,250 | 532,563 | 21.092 | 21.15 | 21.10 | 21.15 | 20.85 | 21.35 | 25,250 | 21.092 | 6.50% |
| 2008-10-29 | 0 | 19.86 | 19.86 | 20.00 | 19.78 | 20.05 | 22,250 | 441,540 | 19.844 | 19.86 | 19.86 | 20.00 | 19.78 | 20.05 | 22,250 | 19.844 | 1.33% |
| 2008-10-28 | 0 | 19.60 | 19.54 | 19.80 | 19.00 | 19.60 | 47,250 | 915,840 | 19.383 | 19.60 | 19.54 | 19.80 | 19.00 | 19.60 | 47,250 | 19.383 | 3.16% |
| 2008-10-27 | 0 | 19.00 | - | 18.96 | 19.10 | 19.68 | 36,000 | 694,165 | 19.282 | 19.00 | - | 18.96 | 19.10 | 19.68 | 36,000 | 19.282 | -3.75% |
| 2008-10-24 | 0 | 19.74 | 19.70 | 19.74 | 19.74 | 20.00 | 18,750 | 373,990 | 19.946 | 19.74 | 19.70 | 19.74 | 19.74 | 20.00 | 18,750 | 19.946 | -1.55% |
| 2008-10-23 | 0 | 20.05 | 20.00 | 20.35 | 19.90 | 20.05 | 11,000 | 219,655 | 19.969 | 20.05 | 20.00 | 20.35 | 19.90 | 20.05 | 11,000 | 19.969 | -2.43% |
| 2008-10-22 | 0 | 20.55 | 20.50 | 20.65 | 20.55 | 21.20 | 25,250 | 522,963 | 20.711 | 20.55 | 20.50 | 20.65 | 20.55 | 21.20 | 25,250 | 20.711 | -3.52% |
| 2008-10-21 | 0 | 21.30 | 21.15 | 21.30 | 21.30 | 21.70 | 10,750 | 231,500 | 21.535 | 21.30 | 21.15 | 21.30 | 21.30 | 21.70 | 10,750 | 21.535 | -1.16% |
| 2008-10-20 | 0 | 21.55 | 21.50 | 21.75 | 21.45 | 21.85 | 111,750 | 2,408,950 | 21.557 | 21.55 | 21.50 | 21.75 | 21.45 | 21.85 | 111,750 | 21.557 | 0.94% |
| 2008-10-17 | 0 | 21.35 | 21.10 | 21.35 | 21.30 | 21.40 | 6,250 | 133,225 | 21.316 | 21.35 | 21.10 | 21.35 | 21.30 | 21.40 | 6,250 | 21.316 | 2.40% |
| 2008-10-16 | 0 | 20.85 | 20.80 | 21.15 | 20.80 | 21.80 | 20,250 | 426,063 | 21.040 | 20.85 | 20.80 | 21.15 | 20.80 | 21.80 | 20,250 | 21.040 | -6.50% |
| 2008-10-15 | 0 | 22.30 | 22.20 | 22.50 | 22.20 | 22.65 | 25,500 | 571,350 | 22.406 | 22.30 | 22.20 | 22.50 | 22.20 | 22.65 | 25,500 | 22.406 | -3.46% |
| 2008-10-14 | 0 | 23.10 | 23.10 | 23.20 | 22.90 | 23.10 | 71,000 | 1,633,550 | 23.008 | 23.10 | 23.10 | 23.20 | 22.90 | 23.10 | 71,000 | 23.008 | 2.90% |
| 2008-10-13 | 0 | 22.45 | 22.10 | 22.55 | 22.00 | 22.45 | 49,250 | 1,088,275 | 22.097 | 22.45 | 22.10 | 22.55 | 22.00 | 22.45 | 49,250 | 22.097 | -0.88% |
| 2008-10-10 | 0 | 22.65 | 22.60 | 22.70 | 22.60 | 23.30 | 57,250 | 1,304,900 | 22.793 | 22.65 | 22.60 | 22.70 | 22.60 | 23.30 | 57,250 | 22.793 | -3.62% |
| 2008-10-09 | 0 | 23.50 | 23.35 | 23.65 | 23.00 | 23.55 | 42,250 | 987,700 | 23.378 | 23.50 | 23.35 | 23.65 | 23.00 | 23.55 | 42,250 | 23.378 | 0.64% |
| 2008-10-08 | 0 | 23.35 | 23.30 | 23.60 | 23.35 | 23.90 | 39,000 | 921,713 | 23.634 | 23.35 | 23.30 | 23.60 | 23.35 | 23.90 | 39,000 | 23.634 | -3.31% |
| 2008-10-06 | 0 | 24.15 | 24.00 | 24.15 | 24.00 | 24.85 | 52,500 | 1,266,800 | 24.130 | 24.15 | 24.00 | 24.15 | 24.00 | 24.85 | 52,500 | 24.130 | -2.82% |
| 2008-10-03 | 0 | 24.85 | 24.80 | 24.85 | 24.75 | 25.70 | 35,500 | 882,713 | 24.865 | 24.85 | 24.80 | 24.85 | 24.75 | 25.70 | 35,500 | 24.865 | -3.87% |
| 2008-10-02 | 0 | 25.85 | 25.80 | 25.85 | 25.85 | 26.15 | 4,750 | 123,388 | 25.976 | 25.85 | 25.80 | 25.85 | 25.85 | 26.15 | 4,750 | 25.976 | 0.98% |
| 2008-09-30 | 0 | 25.60 | 25.60 | 25.80 | 25.60 | 25.95 | 108,000 | 2,796,975 | 25.898 | 25.60 | 25.60 | 25.80 | 25.60 | 25.95 | 108,000 | 25.898 | -5.19% |
| 2008-09-29 | 0 | 27.00 | 27.00 | 27.20 | 27.00 | 27.30 | 21,250 | 578,450 | 27.221 | 27.00 | 27.00 | 27.20 | 27.00 | 27.30 | 21,250 | 27.221 | -2.17% |
| 2008-09-26 | 0 | 27.60 | 27.60 | 27.85 | 27.60 | 27.95 | 30,500 | 841,950 | 27.605 | 27.60 | 27.60 | 27.85 | 27.60 | 27.95 | 30,500 | 27.605 | -1.08% |
| 2008-09-25 | 0 | 27.90 | 27.80 | 27.95 | 27.60 | 27.90 | 50,250 | 1,400,363 | 27.868 | 27.90 | 27.80 | 27.95 | 27.60 | 27.90 | 50,250 | 27.868 | 0.00% |
| 2008-09-24 | 0 | 27.90 | 27.70 | 28.00 | 27.80 | 28.10 | 26,250 | 732,100 | 27.890 | 27.90 | 27.70 | 28.00 | 27.80 | 28.10 | 26,250 | 27.890 | -0.71% |
| 2008-09-23 | 0 | 28.10 | 28.00 | 28.10 | 27.95 | 28.35 | 53,500 | 1,510,750 | 28.238 | 28.10 | 28.00 | 28.10 | 27.95 | 28.35 | 53,500 | 28.238 | 2.18% |
| 2008-09-22 | 0 | 27.50 | 27.50 | 28.80 | 26.60 | 27.65 | 26,750 | 728,913 | 27.249 | 27.50 | 27.50 | 28.80 | 26.60 | 27.65 | 26,750 | 27.249 | 3.38% |
| 2008-09-19 | 0 | 26.60 | 26.50 | 27.00 | 26.50 | 27.40 | 33,250 | 890,825 | 26.792 | 26.60 | 26.50 | 27.00 | 26.50 | 27.40 | 33,250 | 26.792 | 0.00% |
| 2008-09-18 | 0 | 26.60 | 26.55 | 26.75 | 26.50 | 26.90 | 40,250 | 1,075,675 | 26.725 | 26.60 | 26.55 | 26.75 | 26.50 | 26.90 | 40,250 | 26.725 | 1.72% |
| 2008-09-17 | 0 | 26.15 | 26.00 | 26.30 | 26.05 | 26.25 | 33,250 | 870,650 | 26.185 | 26.15 | 26.00 | 26.30 | 26.05 | 26.25 | 33,250 | 26.185 | 0.19% |
| 2008-09-16 | 0 | 26.10 | 26.00 | 26.20 | 26.05 | 27.05 | 52,500 | 1,380,150 | 26.289 | 26.10 | 26.00 | 26.20 | 26.05 | 27.05 | 52,500 | 26.289 | -4.04% |
| 2008-09-12 | 0 | 27.20 | 27.10 | 27.30 | 26.95 | 27.30 | 57,750 | 1,561,338 | 27.036 | 27.20 | 27.10 | 27.30 | 26.95 | 27.30 | 57,750 | 27.036 | 0.18% |
| 2008-09-11 | 0 | 27.15 | 27.10 | 27.30 | 27.15 | 27.30 | 96,250 | 2,625,088 | 27.274 | 27.15 | 27.10 | 27.30 | 27.15 | 27.30 | 96,250 | 27.274 | -0.73% |
| 2008-09-10 | 0 | 27.35 | 26.80 | 27.50 | 27.30 | 27.60 | 48,750 | 1,334,825 | 27.381 | 27.35 | 26.80 | 27.50 | 27.30 | 27.60 | 48,750 | 27.381 | -0.91% |
| 2008-09-09 | 0 | 27.60 | 27.65 | 27.80 | 27.60 | 28.30 | 22,500 | 624,350 | 27.749 | 27.60 | 27.65 | 27.80 | 27.60 | 28.30 | 22,500 | 27.749 | -2.65% |
| 2008-09-08 | 0 | 28.35 | 28.30 | 28.45 | 28.20 | 28.50 | 21,250 | 602,750 | 28.365 | 28.35 | 28.30 | 28.45 | 28.20 | 28.50 | 21,250 | 28.365 | 0.71% |
| 2008-09-05 | 0 | 28.15 | 28.10 | 28.20 | 28.15 | 28.60 | 25,750 | 728,963 | 28.309 | 28.15 | 28.10 | 28.20 | 28.15 | 28.60 | 25,750 | 28.309 | -2.09% |
| 2008-09-04 | 0 | 28.75 | 28.65 | 28.80 | 28.65 | 28.80 | 40,250 | 1,155,513 | 28.708 | 28.75 | 28.65 | 28.80 | 28.65 | 28.80 | 40,250 | 28.708 | 0.17% |
| 2008-09-03 | 0 | 28.70 | 28.60 | 28.70 | 28.50 | 29.00 | 50,250 | 1,449,575 | 28.847 | 28.70 | 28.60 | 28.70 | 28.50 | 29.00 | 50,250 | 28.847 | 0.17% |
| 2008-09-02 | 0 | 28.65 | 28.50 | 28.60 | 28.55 | 29.85 | 68,500 | 1,977,650 | 28.871 | 28.65 | 28.50 | 28.60 | 28.55 | 29.85 | 68,500 | 28.871 | -4.50% |
| 2008-09-01 | 0 | 30.00 | 29.95 | 30.00 | 29.80 | 30.45 | 18,000 | 539,388 | 29.966 | 30.00 | 29.95 | 30.00 | 29.80 | 30.45 | 18,000 | 29.966 | -0.33% |
| 2008-08-29 | 0 | 30.10 | 30.10 | 30.20 | 30.05 | 30.15 | 12,500 | 376,325 | 30.106 | 30.10 | 30.10 | 30.20 | 30.05 | 30.15 | 12,500 | 30.106 | -1.47% |
| 2008-08-28 | 0 | 30.55 | 30.55 | 30.60 | 30.50 | 30.60 | 6,750 | 206,325 | 30.567 | 30.55 | 30.55 | 30.60 | 30.50 | 30.60 | 6,750 | 30.567 | 0.16% |
| 2008-08-27 | 0 | 30.50 | 30.45 | 30.50 | 30.40 | 30.55 | 4,750 | 144,938 | 30.513 | 30.50 | 30.45 | 30.50 | 30.40 | 30.55 | 4,750 | 30.513 | 1.33% |
| 2008-08-26 | 0 | 30.10 | 30.00 | 30.10 | 30.10 | 30.10 | 1,250 | 37,625 | 30.100 | 30.10 | 30.00 | 30.10 | 30.10 | 30.10 | 1,250 | 30.100 | 0.00% |
| 2008-08-25 | 0 | 30.10 | 30.15 | 30.30 | 30.00 | 30.15 | 75,500 | 2,268,675 | 30.049 | 30.10 | 30.15 | 30.30 | 30.00 | 30.15 | 75,500 | 30.049 | 0.67% |
| 2008-08-21 | 0 | 29.90 | 29.90 | 30.00 | 29.90 | 30.05 | 67,000 | 2,008,213 | 29.973 | 29.90 | 29.90 | 30.00 | 29.90 | 30.05 | 67,000 | 29.973 | 0.50% |
| 2008-08-20 | 0 | 29.75 | 29.65 | 29.75 | 29.55 | 29.75 | 42,250 | 1,253,200 | 29.662 | 29.75 | 29.65 | 29.75 | 29.55 | 29.75 | 42,250 | 29.662 | 2.76% |
| 2008-08-19 | 0 | 28.95 | 28.80 | 29.00 | 28.95 | 29.20 | 29,000 | 840,350 | 28.978 | 28.95 | 28.80 | 29.00 | 28.95 | 29.20 | 29,000 | 28.978 | -1.03% |
| 2008-08-18 | 0 | 29.25 | 29.25 | 29.40 | 29.10 | 29.35 | 19,750 | 578,138 | 29.273 | 29.25 | 29.25 | 29.40 | 29.10 | 29.35 | 19,750 | 29.273 | 0.34% |
| 2008-08-15 | 0 | 29.15 | 29.10 | 29.30 | 29.15 | 29.65 | 32,250 | 944,825 | 29.297 | 29.15 | 29.10 | 29.30 | 29.15 | 29.65 | 32,250 | 29.297 | -3.00% |
| 2008-08-14 | 0 | 30.05 | 30.05 | 30.10 | 29.65 | 30.15 | 88,000 | 2,649,775 | 30.111 | 30.05 | 30.05 | 30.10 | 29.65 | 30.15 | 88,000 | 30.111 | 2.04% |
| 2008-08-13 | 0 | 29.45 | 29.25 | 29.45 | 29.10 | 29.45 | 63,500 | 1,860,263 | 29.295 | 29.45 | 29.25 | 29.45 | 29.10 | 29.45 | 63,500 | 29.295 | 1.20% |
| 2008-08-12 | 0 | 29.10 | 29.10 | 29.15 | 29.00 | 29.15 | 110,500 | 3,214,763 | 29.093 | 29.10 | 29.10 | 29.15 | 29.00 | 29.15 | 110,500 | 29.093 | -1.19% |
| 2008-08-11 | 0 | 29.45 | 29.00 | 29.60 | 29.40 | 30.00 | 107,000 | 3,152,263 | 29.460 | 29.45 | 29.00 | 29.60 | 29.40 | 30.00 | 107,000 | 29.460 | -1.83% |
| 2008-08-08 | 0 | 30.00 | 30.00 | 30.10 | 30.00 | 30.25 | 16,500 | 497,875 | 30.174 | 30.00 | 30.00 | 30.10 | 30.00 | 30.25 | 16,500 | 30.174 | -0.83% |
| 2008-08-07 | 0 | 30.25 | 30.20 | 30.30 | 29.60 | 30.30 | 149,500 | 4,517,900 | 30.220 | 30.25 | 30.20 | 30.30 | 29.60 | 30.30 | 149,500 | 30.220 | 0.67% |
| 2008-08-05 | 0 | 30.05 | 30.05 | 30.20 | 30.05 | 30.95 | 154,000 | 4,663,613 | 30.283 | 30.05 | 30.05 | 30.20 | 30.05 | 30.95 | 154,000 | 30.283 | -5.21% |
| 2008-08-04 | 0 | 31.70 | 31.60 | 31.75 | 31.55 | 31.70 | 17,250 | 545,513 | 31.624 | 31.70 | 31.60 | 31.75 | 31.55 | 31.70 | 17,250 | 31.624 | 0.96% |
| 2008-08-01 | 0 | 31.40 | 31.35 | 31.40 | 31.40 | 31.60 | 47,000 | 1,478,150 | 31.450 | 31.40 | 31.35 | 31.40 | 31.40 | 31.60 | 47,000 | 31.450 | -1.57% |
| 2008-07-31 | 0 | 31.90 | 31.80 | 31.95 | 31.20 | 31.90 | 43,000 | 1,363,213 | 31.703 | 31.90 | 31.80 | 31.95 | 31.20 | 31.90 | 43,000 | 31.703 | 2.41% |
| 2008-07-30 | 0 | 31.15 | 31.10 | 31.20 | 31.10 | 31.40 | 73,250 | 2,281,100 | 31.141 | 31.15 | 31.10 | 31.20 | 31.10 | 31.40 | 73,250 | 31.141 | -1.11% |
| 2008-07-29 | 0 | 31.50 | 31.50 | 31.55 | 31.20 | 31.50 | 49,750 | 1,560,600 | 31.369 | 31.50 | 31.50 | 31.55 | 31.20 | 31.50 | 49,750 | 31.369 | 0.48% |
| 2008-07-28 | 0 | 31.35 | 31.35 | 31.40 | 31.30 | 31.45 | 31,750 | 995,038 | 31.340 | 31.35 | 31.35 | 31.40 | 31.30 | 31.45 | 31,750 | 31.340 | -0.32% |
| 2008-07-25 | 0 | 31.45 | 31.40 | 31.50 | 31.35 | 31.60 | 28,750 | 904,438 | 31.459 | 31.45 | 31.40 | 31.50 | 31.35 | 31.60 | 28,750 | 31.459 | -0.47% |
| 2008-07-24 | 0 | 31.60 | 31.50 | 31.65 | 31.05 | 31.60 | 61,750 | 1,938,888 | 31.399 | 31.60 | 31.50 | 31.65 | 31.05 | 31.60 | 61,750 | 31.399 | -0.16% |
| 2008-07-23 | 0 | 31.65 | 31.65 | 31.70 | 31.65 | 32.55 | 109,750 | 3,497,575 | 31.869 | 31.65 | 31.65 | 31.70 | 31.65 | 32.55 | 109,750 | 31.869 | -3.51% |
| 2008-07-22 | 0 | 32.80 | 32.80 | 33.00 | 32.45 | 32.80 | 49,500 | 1,614,813 | 32.622 | 32.80 | 32.80 | 33.00 | 32.45 | 32.80 | 49,500 | 32.622 | 0.77% |
| 2008-07-21 | 0 | 32.55 | 32.50 | 32.60 | 32.00 | 32.60 | 72,500 | 2,351,625 | 32.436 | 32.55 | 32.50 | 32.60 | 32.00 | 32.60 | 72,500 | 32.436 | -0.91% |
| 2008-07-18 | 0 | 32.85 | 32.80 | 33.30 | 32.50 | 33.00 | 66,250 | 2,177,963 | 32.875 | 32.85 | 32.80 | 33.30 | 32.50 | 33.00 | 66,250 | 32.875 | -2.52% |
| 2008-07-17 | 0 | 33.70 | 33.60 | 33.70 | 33.60 | 34.05 | 40,250 | 1,360,125 | 33.792 | 33.70 | 33.60 | 33.70 | 33.60 | 34.05 | 40,250 | 33.792 | -1.32% |
| 2008-07-16 | 0 | 34.15 | 34.10 | 34.15 | 33.95 | 34.65 | 63,500 | 2,160,838 | 34.029 | 34.15 | 34.10 | 34.15 | 33.95 | 34.65 | 63,500 | 34.029 | -1.73% |
| 2008-07-15 | 0 | 34.75 | 34.75 | 34.85 | 34.70 | 35.10 | 46,000 | 1,601,550 | 34.816 | 34.75 | 34.75 | 34.85 | 34.70 | 35.10 | 46,000 | 34.816 | -0.57% |
| 2008-07-14 | 0 | 34.95 | 35.00 | 35.10 | 34.95 | 35.10 | 104,500 | 3,657,288 | 34.998 | 34.95 | 35.00 | 35.10 | 34.95 | 35.10 | 104,500 | 34.998 | 0.00% |
| 2008-07-11 | 0 | 34.95 | 34.90 | 34.95 | 34.70 | 35.00 | 41,000 | 1,429,313 | 34.861 | 34.95 | 34.90 | 34.95 | 34.70 | 35.00 | 41,000 | 34.861 | 2.34% |
| 2008-07-10 | 0 | 34.15 | 34.10 | 34.15 | 34.10 | 34.30 | 67,250 | 2,298,263 | 34.175 | 34.15 | 34.10 | 34.15 | 34.10 | 34.30 | 67,250 | 34.175 | 0.15% |
| 2008-07-09 | 0 | 34.10 | 34.05 | 34.20 | 33.85 | 34.50 | 112,750 | 3,828,063 | 33.952 | 34.10 | 34.05 | 34.20 | 33.85 | 34.50 | 112,750 | 33.952 | -1.30% |
| 2008-07-08 | 0 | 34.55 | 34.50 | 34.70 | 34.55 | 35.35 | 94,000 | 3,267,563 | 34.761 | 34.55 | 34.50 | 34.70 | 34.55 | 35.35 | 94,000 | 34.761 | -2.95% |
| 2008-07-07 | 0 | 35.60 | 35.50 | 35.60 | 35.40 | 36.10 | 72,000 | 2,570,963 | 35.708 | 35.60 | 35.50 | 35.60 | 35.40 | 36.10 | 72,000 | 35.708 | -1.25% |
| 2008-07-04 | 0 | 36.05 | 36.05 | 36.10 | 35.95 | 36.95 | 82,000 | 2,955,225 | 36.039 | 36.05 | 36.05 | 36.10 | 35.95 | 36.95 | 82,000 | 36.039 | -0.14% |
| 2008-07-03 | 0 | 36.10 | 36.10 | 36.15 | 36.00 | 36.15 | 114,500 | 4,126,050 | 36.035 | 36.10 | 36.10 | 36.15 | 36.00 | 36.15 | 114,500 | 36.035 | 1.26% |
| 2008-07-02 | 0 | 35.65 | 35.60 | 35.65 | 35.55 | 35.70 | 85,250 | 3,040,063 | 35.661 | 35.65 | 35.60 | 35.65 | 35.55 | 35.70 | 85,250 | 35.661 | 0.28% |
| 2008-06-30 | 0 | 35.55 | 35.50 | 35.70 | 35.25 | 35.55 | 69,000 | 2,447,350 | 35.469 | 35.55 | 35.50 | 35.70 | 35.25 | 35.55 | 69,000 | 35.469 | 0.14% |
| 2008-06-27 | 0 | 35.50 | 35.45 | 35.50 | 34.70 | 35.50 | 52,750 | 1,862,388 | 35.306 | 35.50 | 35.45 | 35.50 | 34.70 | 35.50 | 52,750 | 35.306 | 3.20% |
| 2008-06-26 | 0 | 34.40 | 34.20 | 34.40 | 34.25 | 34.80 | 38,000 | 1,306,900 | 34.392 | 34.40 | 34.20 | 34.40 | 34.25 | 34.80 | 38,000 | 34.392 | -0.43% |
| 2008-06-25 | 0 | 34.55 | 34.50 | 34.55 | 34.50 | 35.00 | 35,250 | 1,217,900 | 34.550 | 34.55 | 34.50 | 34.55 | 34.50 | 35.00 | 35,250 | 34.550 | -0.58% |
| 2008-06-24 | 0 | 34.75 | 34.70 | 35.00 | 34.55 | 35.00 | 22,250 | 771,750 | 34.685 | 34.75 | 34.70 | 35.00 | 34.55 | 35.00 | 22,250 | 34.685 | 0.14% |
| 2008-06-23 | 0 | 34.70 | 34.65 | 34.75 | 34.45 | 34.70 | 42,500 | 1,466,900 | 34.515 | 34.70 | 34.65 | 34.75 | 34.45 | 34.70 | 42,500 | 34.515 | 1.46% |
| 2008-06-20 | 0 | 34.20 | 34.20 | 34.25 | 34.00 | 34.65 | 53,500 | 1,830,238 | 34.210 | 34.20 | 34.20 | 34.25 | 34.00 | 34.65 | 53,500 | 34.210 | -1.30% |
| 2008-06-19 | 0 | 34.65 | 34.65 | 34.75 | 34.60 | 34.80 | 35,000 | 1,214,950 | 34.713 | 34.65 | 34.65 | 34.75 | 34.60 | 34.80 | 35,000 | 34.713 | 0.58% |
| 2008-06-18 | 0 | 34.45 | 34.35 | 34.45 | 34.30 | 34.45 | 24,750 | 851,300 | 34.396 | 34.45 | 34.35 | 34.45 | 34.30 | 34.45 | 24,750 | 34.396 | 0.44% |
| 2008-06-17 | 0 | 34.30 | 34.25 | 34.30 | 33.95 | 34.30 | 34,250 | 1,168,263 | 34.110 | 34.30 | 34.25 | 34.30 | 33.95 | 34.30 | 34,250 | 34.110 | 1.33% |
| 2008-06-16 | 0 | 33.85 | 33.85 | 33.90 | 33.85 | 33.95 | 30,500 | 1,034,063 | 33.904 | 33.85 | 33.85 | 33.90 | 33.85 | 33.95 | 30,500 | 33.904 | 0.00% |
| 2008-06-13 | 0 | 33.85 | 33.75 | 33.85 | 33.80 | 33.90 | 43,250 | 1,462,513 | 33.815 | 33.85 | 33.75 | 33.85 | 33.80 | 33.90 | 43,250 | 33.815 | 0.74% |
| 2008-06-12 | 0 | 33.60 | 33.50 | 33.60 | 33.10 | 33.65 | 110,500 | 3,692,638 | 33.418 | 33.60 | 33.50 | 33.60 | 33.10 | 33.65 | 110,500 | 33.418 | 2.13% |
| 2008-06-11 | 0 | 32.90 | 32.90 | 32.95 | 32.80 | 33.00 | 30,250 | 993,838 | 32.854 | 32.90 | 32.90 | 32.95 | 32.80 | 33.00 | 30,250 | 32.854 | -0.15% |
| 2008-06-10 | 0 | 32.95 | 32.45 | 32.95 | 32.90 | 33.20 | 191,500 | 6,341,113 | 33.113 | 32.95 | 32.45 | 32.95 | 32.90 | 33.20 | 191,500 | 33.113 | 1.85% |
| 2008-06-06 | 0 | 32.35 | 32.30 | 32.45 | 31.60 | 32.40 | 117,000 | 3,782,225 | 32.327 | 32.35 | 32.30 | 32.45 | 31.60 | 32.40 | 117,000 | 32.327 | 2.54% |
| 2008-06-05 | 0 | 31.55 | 31.50 | 31.60 | 31.50 | 31.60 | 18,750 | 591,963 | 31.571 | 31.55 | 31.50 | 31.60 | 31.50 | 31.60 | 18,750 | 31.571 | -0.16% |
| 2008-06-04 | 0 | 31.60 | 31.60 | 31.70 | 31.60 | 32.30 | 96,500 | 3,059,100 | 31.701 | 31.60 | 31.60 | 31.70 | 31.60 | 32.30 | 96,500 | 31.701 | -2.47% |
| 2008-06-03 | 0 | 32.40 | 32.25 | 32.50 | 31.80 | 32.40 | 495,250 | 15,994,113 | 32.295 | 32.40 | 32.25 | 32.50 | 31.80 | 32.40 | 495,250 | 32.295 | 2.05% |
| 2008-06-02 | 0 | 31.75 | 31.75 | 31.90 | 31.75 | 32.00 | 154,000 | 4,909,125 | 31.877 | 31.75 | 31.75 | 31.90 | 31.75 | 32.00 | 154,000 | 31.877 | 0.32% |
| 2008-05-30 | 0 | 31.65 | 31.60 | 31.70 | 31.55 | 32.45 | 58,000 | 1,842,225 | 31.763 | 31.65 | 31.60 | 31.70 | 31.55 | 32.45 | 58,000 | 31.763 | -2.62% |
| 2008-05-29 | 0 | 32.50 | 32.45 | 32.50 | 32.30 | 32.50 | 30,750 | 996,700 | 32.413 | 32.50 | 32.45 | 32.50 | 32.30 | 32.50 | 30,750 | 32.413 | 0.78% |
| 2008-05-28 | 0 | 32.25 | 32.20 | 32.30 | 32.10 | 32.70 | 71,000 | 2,288,200 | 32.228 | 32.25 | 32.20 | 32.30 | 32.10 | 32.70 | 71,000 | 32.228 | -1.68% |
| 2008-05-27 | 0 | 32.80 | 32.80 | 32.85 | 32.80 | 32.95 | 58,250 | 1,915,075 | 32.877 | 32.80 | 32.80 | 32.85 | 32.80 | 32.95 | 58,250 | 32.877 | -0.30% |
| 2008-05-26 | 0 | 32.90 | 32.80 | 32.90 | 32.70 | 32.90 | 63,000 | 2,069,813 | 32.854 | 32.90 | 32.80 | 32.90 | 32.70 | 32.90 | 63,000 | 32.854 | 0.77% |
| 2008-05-23 | 0 | 32.65 | 32.45 | 32.65 | 32.45 | 33.90 | 60,176 | 1,964,416 | 32.645 | 32.65 | 32.45 | 32.65 | 32.45 | 33.90 | 60,176 | 32.645 | -1.80% |
| 2008-05-22 | 0 | 33.25 | 33.20 | 33.25 | 33.00 | 33.25 | 67,250 | 2,231,275 | 33.179 | 33.25 | 33.20 | 33.25 | 33.00 | 33.25 | 67,250 | 33.179 | 2.31% |
| 2008-05-21 | 0 | 32.50 | 32.40 | 32.50 | 32.30 | 32.50 | 58,750 | 1,907,825 | 32.474 | 32.50 | 32.40 | 32.50 | 32.30 | 32.50 | 58,750 | 32.474 | 1.09% |
| 2008-05-20 | 0 | 32.15 | 32.10 | 32.15 | 32.10 | 33.00 | 36,500 | 1,175,825 | 32.214 | 32.15 | 32.10 | 32.15 | 32.10 | 33.00 | 36,500 | 32.214 | -0.77% |
| 2008-05-19 | 0 | 32.40 | 32.30 | 32.40 | 32.20 | 32.40 | 134,750 | 4,344,638 | 32.242 | 32.40 | 32.30 | 32.40 | 32.20 | 32.40 | 134,750 | 32.242 | 1.25% |
| 2008-05-16 | 0 | 32.00 | 31.95 | 32.00 | 31.95 | 32.00 | 6,250 | 199,838 | 31.974 | 32.00 | 31.95 | 32.00 | 31.95 | 32.00 | 6,250 | 31.974 | 0.31% |
| 2008-05-15 | 0 | 31.90 | 31.90 | 32.00 | 31.80 | 32.60 | 36,000 | 1,146,650 | 31.851 | 31.90 | 31.90 | 32.00 | 31.80 | 32.60 | 36,000 | 31.851 | -0.78% |
| 2008-05-14 | 0 | 32.15 | 32.00 | 32.15 | 32.05 | 32.30 | 42,500 | 1,368,713 | 32.205 | 32.15 | 32.00 | 32.15 | 32.05 | 32.30 | 42,500 | 32.205 | -0.16% |
| 2008-05-13 | 0 | 32.20 | 32.00 | 32.20 | 31.95 | 32.20 | 384,250 | 12,291,863 | 31.989 | 32.20 | 32.00 | 32.20 | 31.95 | 32.20 | 384,250 | 31.989 | 0.78% |
| 2008-05-09 | 0 | 31.95 | 31.95 | 32.00 | 31.90 | 32.05 | 93,500 | 2,989,100 | 31.969 | 31.95 | 31.95 | 32.00 | 31.90 | 32.05 | 93,500 | 31.969 | 0.79% |
| 2008-05-08 | 0 | 31.70 | 31.65 | 31.70 | 31.65 | 31.80 | 36,750 | 1,165,338 | 31.710 | 31.70 | 31.65 | 31.70 | 31.65 | 31.80 | 36,750 | 31.710 | 0.32% |
| 2008-05-07 | 0 | 31.60 | 31.60 | 31.70 | 31.50 | 31.90 | 48,750 | 1,541,088 | 31.612 | 31.60 | 31.60 | 31.70 | 31.50 | 31.90 | 48,750 | 31.612 | 0.64% |
| 2008-05-06 | 0 | 31.40 | 31.35 | 31.40 | 31.25 | 31.45 | 55,750 | 1,745,625 | 31.312 | 31.40 | 31.35 | 31.40 | 31.25 | 31.45 | 55,750 | 31.312 | 1.78% |
| 2008-05-05 | 0 | 30.85 | 30.85 | 30.90 | 30.80 | 30.90 | 101,500 | 3,131,275 | 30.850 | 30.85 | 30.85 | 30.90 | 30.80 | 30.90 | 101,500 | 30.850 | 2.15% |
| 2008-05-02 | 0 | 30.20 | 30.15 | 30.20 | 30.15 | 31.15 | 50,250 | 1,522,588 | 30.300 | 30.20 | 30.15 | 30.20 | 30.15 | 31.15 | 50,250 | 30.300 | -3.05% |
| 2008-04-30 | 0 | 31.15 | 31.10 | 31.15 | 31.00 | 31.20 | 85,250 | 2,648,963 | 31.073 | 31.15 | 31.10 | 31.15 | 31.00 | 31.20 | 85,250 | 31.073 | -1.11% |
| 2008-04-29 | 0 | 31.50 | 31.55 | 31.65 | 31.50 | 31.65 | 77,250 | 2,434,600 | 31.516 | 31.50 | 31.55 | 31.65 | 31.50 | 31.65 | 77,250 | 31.516 | -0.63% |
| 2008-04-28 | 0 | 31.70 | 31.70 | 31.75 | 31.20 | 31.75 | 83,750 | 2,652,688 | 31.674 | 31.70 | 31.70 | 31.75 | 31.20 | 31.75 | 83,750 | 31.674 | 1.60% |
| 2008-04-25 | 0 | 31.20 | 31.20 | 31.25 | 31.20 | 31.80 | 100,000 | 3,130,025 | 31.300 | 31.20 | 31.20 | 31.25 | 31.20 | 31.80 | 100,000 | 31.300 | -2.04% |
| 2008-04-24 | 0 | 31.85 | 31.85 | 31.90 | 31.75 | 31.90 | 158,750 | 5,049,050 | 31.805 | 31.85 | 31.85 | 31.90 | 31.75 | 31.90 | 158,750 | 31.805 | -0.16% |
| 2008-04-23 | 0 | 31.90 | 31.90 | 31.95 | 31.85 | 32.00 | 179,750 | 5,733,513 | 31.897 | 31.90 | 31.90 | 31.95 | 31.85 | 32.00 | 179,750 | 31.897 | 1.75% |
| 2008-04-22 | 0 | 31.35 | 31.35 | 31.45 | 31.30 | 31.70 | 76,500 | 2,396,963 | 31.333 | 31.35 | 31.35 | 31.45 | 31.30 | 31.70 | 76,500 | 31.333 | -1.10% |
| 2008-04-21 | 0 | 31.70 | 31.65 | 31.70 | 31.60 | 31.80 | 67,000 | 2,126,700 | 31.742 | 31.70 | 31.65 | 31.70 | 31.60 | 31.80 | 67,000 | 31.742 | 0.00% |
| 2008-04-18 | 0 | 31.70 | 31.70 | 31.75 | 31.70 | 31.75 | 21,750 | 689,638 | 31.707 | 31.70 | 31.70 | 31.75 | 31.70 | 31.75 | 21,750 | 31.707 | 0.00% |
| 2008-04-17 | 0 | 31.70 | 31.70 | 31.75 | 31.60 | 31.80 | 56,250 | 1,784,175 | 31.719 | 31.70 | 31.70 | 31.75 | 31.60 | 31.80 | 56,250 | 31.719 | 0.79% |
| 2008-04-16 | 0 | 31.45 | 31.45 | 31.50 | 31.40 | 31.50 | 127,000 | 3,998,400 | 31.483 | 31.45 | 31.45 | 31.50 | 31.40 | 31.50 | 127,000 | 31.483 | 0.48% |
| 2008-04-15 | 0 | 31.30 | 31.10 | 31.30 | 31.00 | 31.30 | 202,750 | 6,326,975 | 31.206 | 31.30 | 31.10 | 31.30 | 31.00 | 31.30 | 202,750 | 31.206 | 2.12% |
| 2008-04-14 | 0 | 30.65 | 30.65 | 30.80 | 30.55 | 30.80 | 38,750 | 1,188,125 | 30.661 | 30.65 | 30.65 | 30.80 | 30.55 | 30.80 | 38,750 | 30.661 | -0.65% |
| 2008-04-11 | 0 | 30.85 | 30.90 | 30.95 | 30.65 | 30.95 | 171,750 | 5,310,138 | 30.918 | 30.85 | 30.90 | 30.95 | 30.65 | 30.95 | 171,750 | 30.918 | -0.80% |
| 2008-04-10 | 0 | 31.10 | 30.90 | 31.10 | 30.50 | 31.10 | 127,750 | 3,959,350 | 30.993 | 31.10 | 30.90 | 31.10 | 30.50 | 31.10 | 127,750 | 30.993 | 3.32% |
| 2008-04-09 | 0 | 30.10 | 30.10 | 30.15 | 30.05 | 30.30 | 80,000 | 2,408,700 | 30.109 | 30.10 | 30.10 | 30.15 | 30.05 | 30.30 | 80,000 | 30.109 | -0.66% |
| 2008-04-08 | 0 | 30.30 | 30.30 | 30.40 | 30.30 | 30.45 | 49,000 | 1,486,063 | 30.328 | 30.30 | 30.30 | 30.40 | 30.30 | 30.45 | 49,000 | 30.328 | 1.34% |
| 2008-04-07 | 0 | 29.90 | 29.90 | 30.00 | 29.80 | 30.10 | 60,000 | 1,798,938 | 29.982 | 29.90 | 29.90 | 30.00 | 29.80 | 30.10 | 60,000 | 29.982 | 0.50% |
| 2008-04-03 | 0 | 29.75 | 29.70 | 29.75 | 29.50 | 29.80 | 26,250 | 777,738 | 29.628 | 29.75 | 29.70 | 29.75 | 29.50 | 29.80 | 26,250 | 29.628 | 2.59% |
| 2008-04-02 | 0 | 29.00 | 29.00 | 29.20 | 28.85 | 29.20 | 151,250 | 4,381,463 | 28.968 | 29.00 | 29.00 | 29.20 | 28.85 | 29.20 | 151,250 | 28.968 | 0.00% |
| 2008-04-01 | 0 | 29.00 | 28.90 | 29.00 | 29.00 | 29.25 | 63,500 | 1,849,875 | 29.132 | 29.00 | 28.90 | 29.00 | 29.00 | 29.25 | 63,500 | 29.132 | -3.01% |
| 2008-03-31 | 0 | 29.90 | 29.85 | 29.90 | 29.75 | 30.00 | 35,750 | 1,065,600 | 29.807 | 29.90 | 29.85 | 29.90 | 29.75 | 30.00 | 35,750 | 29.807 | -0.99% |
| 2008-03-28 | 0 | 30.20 | 30.05 | 30.20 | 30.00 | 30.25 | 75,250 | 2,265,438 | 30.105 | 30.20 | 30.05 | 30.20 | 30.00 | 30.25 | 75,250 | 30.105 | 0.50% |
| 2008-03-27 | 0 | 30.05 | 30.05 | 30.10 | 30.00 | 30.20 | 90,000 | 2,711,388 | 30.127 | 30.05 | 30.05 | 30.10 | 30.00 | 30.20 | 90,000 | 30.127 | 1.18% |
| 2008-03-26 | 0 | 29.70 | 29.65 | 29.70 | 29.45 | 29.70 | 85,250 | 2,525,613 | 29.626 | 29.70 | 29.65 | 29.70 | 29.45 | 29.70 | 85,250 | 29.626 | 1.71% |
| 2008-03-25 | 0 | 29.20 | 29.00 | 29.20 | 28.80 | 29.20 | 115,500 | 3,347,025 | 28.979 | 29.20 | 29.00 | 29.20 | 28.80 | 29.20 | 115,500 | 28.979 | 1.21% |
| 2008-03-20 | 0 | 28.85 | 28.85 | 28.90 | 28.85 | 29.05 | 507,250 | 14,677,150 | 28.935 | 28.85 | 28.85 | 28.90 | 28.85 | 29.05 | 507,250 | 28.935 | -5.41% |
| 2008-03-19 | 0 | 30.50 | 30.50 | 30.55 | 30.20 | 30.55 | 88,500 | 2,693,700 | 30.437 | 30.50 | 30.50 | 30.55 | 30.20 | 30.55 | 88,500 | 30.437 | 1.84% |
| 2008-03-18 | 0 | 29.95 | 29.90 | 29.95 | 29.60 | 30.80 | 431,750 | 12,942,763 | 29.977 | 29.95 | 29.90 | 29.95 | 29.60 | 30.80 | 431,750 | 29.977 | -5.67% |
| 2008-03-17 | 0 | 31.75 | 31.45 | 31.75 | 31.45 | 32.00 | 144,250 | 4,581,363 | 31.760 | 31.75 | 31.45 | 31.75 | 31.45 | 32.00 | 144,250 | 31.760 | -0.78% |
| 2008-03-14 | 0 | 32.00 | 31.90 | 32.00 | 31.75 | 32.00 | 309,250 | 9,870,975 | 31.919 | 32.00 | 31.90 | 32.00 | 31.75 | 32.00 | 309,250 | 31.919 | 0.95% |
| 2008-03-13 | 0 | 31.70 | 31.60 | 31.70 | 31.45 | 31.70 | 112,000 | 3,545,775 | 31.659 | 31.70 | 31.60 | 31.70 | 31.45 | 31.70 | 112,000 | 31.659 | 0.79% |
| 2008-03-12 | 0 | 31.45 | 31.40 | 31.45 | 31.25 | 31.55 | 99,500 | 3,122,300 | 31.380 | 31.45 | 31.40 | 31.45 | 31.25 | 31.55 | 99,500 | 31.380 | 0.64% |
| 2008-03-11 | 0 | 31.25 | 31.15 | 31.35 | 31.00 | 31.35 | 99,500 | 3,096,375 | 31.119 | 31.25 | 31.15 | 31.35 | 31.00 | 31.35 | 99,500 | 31.119 | 1.63% |
| 2008-03-10 | 0 | 30.75 | 30.75 | 30.80 | 30.65 | 31.45 | 183,500 | 5,660,975 | 30.850 | 30.75 | 30.75 | 30.80 | 30.65 | 31.45 | 183,500 | 30.850 | -2.23% |
| 2008-03-07 | 0 | 31.45 | 31.40 | 31.55 | 31.40 | 32.00 | 213,250 | 6,720,200 | 31.513 | 31.45 | 31.40 | 31.55 | 31.40 | 32.00 | 213,250 | 31.513 | -1.41% |
| 2008-03-06 | 0 | 31.90 | 31.85 | 31.90 | 31.60 | 31.95 | 97,250 | 3,096,888 | 31.845 | 31.90 | 31.85 | 31.90 | 31.60 | 31.95 | 97,250 | 31.845 | 3.24% |
| 2008-03-05 | 0 | 30.90 | 30.90 | 31.00 | 30.80 | 31.35 | 233,095 | 7,214,073 | 30.949 | 30.90 | 30.90 | 31.00 | 30.80 | 31.35 | 233,095 | 30.949 | -2.22% |
| 2008-03-04 | 0 | 31.60 | 31.55 | 31.80 | 31.40 | 31.75 | 779,000 | 24,695,350 | 31.701 | 31.60 | 31.55 | 31.80 | 31.40 | 31.75 | 779,000 | 31.701 | 0.16% |
| 2008-03-03 | 0 | 31.55 | 31.55 | 31.60 | 31.25 | 31.60 | 157,250 | 4,937,888 | 31.402 | 31.55 | 31.55 | 31.60 | 31.25 | 31.60 | 157,250 | 31.402 | 0.32% |
| 2008-02-29 | 0 | 31.45 | 31.40 | 31.80 | 31.00 | 31.45 | 397,000 | 12,448,838 | 31.357 | 31.45 | 31.40 | 31.80 | 31.00 | 31.45 | 397,000 | 31.357 | 2.44% |
| 2008-02-28 | 0 | 30.70 | 30.65 | 31.00 | 30.50 | 31.30 | 330,750 | 10,128,563 | 30.623 | 30.70 | 30.65 | 31.00 | 30.50 | 31.30 | 330,750 | 30.623 | -0.65% |
| 2008-02-27 | 0 | 30.90 | 30.85 | 31.40 | 30.70 | 30.90 | 200,000 | 6,157,088 | 30.785 | 30.90 | 30.85 | 31.40 | 30.70 | 30.90 | 200,000 | 30.785 | 2.15% |
| 2008-02-26 | 0 | 30.25 | 30.20 | 30.25 | 30.15 | 30.45 | 116,000 | 3,518,113 | 30.329 | 30.25 | 30.20 | 30.25 | 30.15 | 30.45 | 116,000 | 30.329 | -0.49% |
| 2008-02-25 | 0 | 30.40 | 30.35 | 30.40 | 30.30 | 30.40 | 150,500 | 4,571,450 | 30.375 | 30.40 | 30.35 | 30.40 | 30.30 | 30.40 | 150,500 | 30.375 | 1.33% |
| 2008-02-22 | 0 | 30.00 | 29.90 | 30.40 | 29.90 | 31.00 | 125,500 | 3,763,550 | 29.988 | 30.00 | 29.90 | 30.40 | 29.90 | 31.00 | 125,500 | 29.988 | -0.50% |
| 2008-02-21 | 0 | 30.15 | 30.10 | 30.70 | 30.00 | 30.20 | 306,250 | 9,212,900 | 30.083 | 30.15 | 30.10 | 30.70 | 30.00 | 30.20 | 306,250 | 30.083 | 0.84% |
| 2008-02-20 | 0 | 29.90 | 29.85 | 29.90 | 29.65 | 29.90 | 172,250 | 5,141,663 | 29.850 | 29.90 | 29.85 | 29.90 | 29.65 | 29.90 | 172,250 | 29.850 | 1.70% |
| 2008-02-19 | 0 | 29.40 | 29.35 | 29.40 | 29.25 | 29.40 | 48,750 | 1,429,913 | 29.332 | 29.40 | 29.35 | 29.40 | 29.25 | 29.40 | 48,750 | 29.332 | 0.86% |
| 2008-02-18 | 0 | 29.15 | 29.10 | 29.20 | 29.05 | 29.20 | 84,500 | 2,463,000 | 29.148 | 29.15 | 29.10 | 29.20 | 29.05 | 29.20 | 84,500 | 29.148 | 0.52% |
| 2008-02-15 | 0 | 29.00 | 29.00 | 29.30 | 29.00 | 29.15 | 52,750 | 1,532,663 | 29.055 | 29.00 | 29.00 | 29.30 | 29.00 | 29.15 | 52,750 | 29.055 | 0.87% |
| 2008-02-14 | 0 | 28.75 | 28.70 | 28.75 | 28.45 | 28.75 | 22,750 | 651,988 | 28.659 | 28.75 | 28.70 | 28.75 | 28.45 | 28.75 | 22,750 | 28.659 | 1.41% |
| 2008-02-13 | 0 | 28.35 | 28.15 | 28.35 | 28.35 | 28.60 | 68,500 | 1,943,538 | 28.373 | 28.35 | 28.15 | 28.35 | 28.35 | 28.60 | 68,500 | 28.373 | -0.87% |
| 2008-02-12 | 0 | 28.60 | 28.55 | 28.60 | 28.40 | 28.60 | 36,500 | 1,041,913 | 28.546 | 28.60 | 28.55 | 28.60 | 28.40 | 28.60 | 36,500 | 28.546 | 0.70% |
| 2008-02-11 | 0 | 28.40 | 28.35 | 28.40 | 28.35 | 28.50 | 19,500 | 554,800 | 28.451 | 28.40 | 28.35 | 28.40 | 28.35 | 28.50 | 19,500 | 28.451 | 3.84% |
| 2008-02-06 | 0 | 27.35 | 27.35 | 27.55 | 27.35 | 27.55 | 12,000 | 329,100 | 27.425 | 27.35 | 27.35 | 27.55 | 27.35 | 27.55 | 12,000 | 27.425 | -1.80% |
| 2008-02-05 | 0 | 27.85 | 27.70 | 27.85 | 27.80 | 27.85 | 15,424 | 429,533 | 27.848 | 27.85 | 27.70 | 27.85 | 27.80 | 27.85 | 15,424 | 27.848 | 0.54% |
| 2008-02-04 | 0 | 27.70 | 27.65 | 27.70 | 27.50 | 28.00 | 15,500 | 428,513 | 27.646 | 27.70 | 27.65 | 27.70 | 27.50 | 28.00 | 15,500 | 27.646 | -1.07% |
| 2008-02-01 | 0 | 28.00 | 27.85 | 28.00 | 27.85 | 28.00 | 11,750 | 327,725 | 27.891 | 28.00 | 27.85 | 28.00 | 27.85 | 28.00 | 11,750 | 27.891 | 0.72% |
| 2008-01-31 | 0 | 27.80 | 27.80 | 27.90 | 27.80 | 27.90 | 18,750 | 522,675 | 27.876 | 27.80 | 27.80 | 27.90 | 27.80 | 27.90 | 18,750 | 27.876 | -0.18% |
| 2008-01-30 | 0 | 27.85 | 27.75 | 27.85 | 27.75 | 27.85 | 42,000 | 1,169,150 | 27.837 | 27.85 | 27.75 | 27.85 | 27.75 | 27.85 | 42,000 | 27.837 | 1.64% |
| 2008-01-29 | 0 | 27.40 | 27.50 | 27.60 | 27.40 | 27.65 | 29,250 | 802,925 | 27.450 | 27.40 | 27.50 | 27.60 | 27.40 | 27.65 | 29,250 | 27.450 | 0.74% |
| 2008-01-28 | 0 | 27.20 | 27.20 | 27.35 | 27.15 | 27.20 | 5,000 | 135,800 | 27.160 | 27.20 | 27.20 | 27.35 | 27.15 | 27.20 | 5,000 | 27.160 | 0.00% |
| 2008-01-25 | 0 | 27.20 | 27.20 | 28.00 | 27.00 | 27.25 | 16,250 | 441,550 | 27.172 | 27.20 | 27.20 | 28.00 | 27.00 | 27.25 | 16,250 | 27.172 | 2.06% |
| 2008-01-24 | 0 | 26.65 | 26.60 | 26.65 | 26.60 | 26.75 | 19,500 | 520,513 | 26.693 | 26.65 | 26.60 | 26.65 | 26.60 | 26.75 | 19,500 | 26.693 | -1.11% |
| 2008-01-23 | 0 | 26.95 | 26.90 | 27.00 | 26.30 | 27.00 | 41,500 | 1,112,950 | 26.818 | 26.95 | 26.90 | 27.00 | 26.30 | 27.00 | 41,500 | 26.818 | 2.47% |
| 2008-01-22 | 0 | 26.30 | 26.00 | 26.50 | 26.30 | 26.85 | 254,250 | 6,736,613 | 26.496 | 26.30 | 26.00 | 26.50 | 26.30 | 26.85 | 254,250 | 26.496 | -3.49% |
| 2008-01-21 | 0 | 27.25 | 27.20 | 27.25 | 27.15 | 27.40 | 27,000 | 735,413 | 27.238 | 27.25 | 27.20 | 27.25 | 27.15 | 27.40 | 27,000 | 27.238 | 0.37% |
| 2008-01-18 | 0 | 27.15 | 27.15 | 27.35 | 27.10 | 27.30 | 59,750 | 1,623,875 | 27.178 | 27.15 | 27.15 | 27.35 | 27.10 | 27.30 | 59,750 | 27.178 | -0.73% |
| 2008-01-17 | 0 | 27.35 | 27.25 | 27.35 | 27.25 | 27.40 | 101,500 | 2,780,275 | 27.392 | 27.35 | 27.25 | 27.35 | 27.25 | 27.40 | 101,500 | 27.392 | 0.00% |
| 2008-01-16 | 0 | 27.35 | 27.30 | 27.35 | 27.30 | 27.55 | 91,000 | 2,497,338 | 27.443 | 27.35 | 27.30 | 27.35 | 27.30 | 27.55 | 91,000 | 27.443 | -2.15% |
| 2008-01-15 | 0 | 27.95 | 27.90 | 28.05 | 27.75 | 28.05 | 109,750 | 3,074,100 | 28.010 | 27.95 | 27.90 | 28.05 | 27.75 | 28.05 | 109,750 | 28.010 | 0.36% |
| 2008-01-14 | 0 | 27.85 | 27.80 | 27.85 | 27.65 | 27.85 | 44,750 | 1,241,175 | 27.736 | 27.85 | 27.80 | 27.85 | 27.65 | 27.85 | 44,750 | 27.736 | 0.91% |
| 2008-01-11 | 0 | 27.60 | 27.60 | 27.70 | 27.50 | 27.75 | 39,250 | 1,083,225 | 27.598 | 27.60 | 27.60 | 27.70 | 27.50 | 27.75 | 39,250 | 27.598 | -0.54% |
| 2008-01-10 | 0 | 27.75 | 27.70 | 27.75 | 27.70 | 27.80 | 79,750 | 2,213,450 | 27.755 | 27.75 | 27.70 | 27.75 | 27.70 | 27.80 | 79,750 | 27.755 | -0.89% |
| 2008-01-09 | 0 | 28.00 | 27.95 | 28.00 | 27.75 | 28.00 | 228,750 | 6,393,925 | 27.952 | 28.00 | 27.95 | 28.00 | 27.75 | 28.00 | 228,750 | 27.952 | 1.63% |
| 2008-01-08 | 0 | 27.55 | 27.50 | 27.55 | 27.40 | 27.70 | 64,250 | 1,767,200 | 27.505 | 27.55 | 27.50 | 27.55 | 27.40 | 27.70 | 64,250 | 27.505 | -0.54% |
| 2008-01-07 | 0 | 27.70 | 27.65 | 27.75 | 27.55 | 28.00 | 122,000 | 3,381,025 | 27.713 | 27.70 | 27.65 | 27.75 | 27.55 | 28.00 | 122,000 | 27.713 | -0.89% |
| 2008-01-04 | 0 | 27.95 | 27.90 | 27.95 | 27.90 | 28.00 | 182,674 | 5,106,438 | 27.954 | 27.95 | 27.90 | 27.95 | 27.90 | 28.00 | 182,674 | 27.954 | 0.36% |
| 2008-01-03 | 0 | 27.85 | 27.80 | 27.85 | 27.70 | 27.90 | 168,750 | 4,697,088 | 27.835 | 27.85 | 27.80 | 27.85 | 27.70 | 27.90 | 168,750 | 27.835 | 1.83% |
| 2008-01-02 | 0 | 27.35 | 27.20 | 27.35 | 27.20 | 27.35 | 32,000 | 873,700 | 27.303 | 27.35 | 27.20 | 27.35 | 27.20 | 27.35 | 32,000 | 27.303 | 1.30% |
| 2007-12-31 | 0 | 27.00 | 27.00 | 27.10 | 27.00 | 27.10 | 20,750 | 562,050 | 27.087 | 27.00 | 27.00 | 27.10 | 27.00 | 27.10 | 20,750 | 27.087 | -0.37% |
| 2007-12-28 | 0 | 27.10 | 27.10 | 27.20 | 27.10 | 27.20 | 4,000 | 108,750 | 27.188 | 27.10 | 27.10 | 27.20 | 27.10 | 27.20 | 4,000 | 27.188 | -0.18% |
| 2007-12-27 | 0 | 27.15 | 27.00 | 27.20 | 27.00 | 27.20 | 27,250 | 738,275 | 27.093 | 27.15 | 27.00 | 27.20 | 27.00 | 27.20 | 27,250 | 27.093 | 1.31% |
| 2007-12-24 | 0 | 26.80 | 26.60 | 26.80 | 26.55 | 26.80 | 11,000 | 294,113 | 26.738 | 26.80 | 26.60 | 26.80 | 26.55 | 26.80 | 11,000 | 26.738 | 1.13% |
| 2007-12-21 | 0 | 26.50 | 26.45 | 26.55 | 26.45 | 26.50 | 9,250 | 244,975 | 26.484 | 26.50 | 26.45 | 26.55 | 26.45 | 26.50 | 9,250 | 26.484 | -0.19% |
| 2007-12-20 | 0 | 26.55 | 26.35 | 26.55 | 26.25 | 26.55 | 9,750 | 257,838 | 26.445 | 26.55 | 26.35 | 26.55 | 26.25 | 26.55 | 9,750 | 26.445 | 1.34% |
| 2007-12-19 | 0 | 26.20 | 26.15 | 26.20 | 26.10 | 26.30 | 16,250 | 427,050 | 26.280 | 26.20 | 26.15 | 26.20 | 26.10 | 26.30 | 16,250 | 26.280 | 0.38% |
| 2007-12-18 | 0 | 26.10 | 26.10 | 26.30 | 26.10 | 26.30 | 42,250 | 1,106,175 | 26.182 | 26.10 | 26.10 | 26.30 | 26.10 | 26.30 | 42,250 | 26.182 | -0.76% |
| 2007-12-17 | 0 | 26.30 | 26.15 | 26.35 | 26.20 | 27.00 | 19,750 | 524,550 | 26.559 | 26.30 | 26.15 | 26.35 | 26.20 | 27.00 | 19,750 | 26.559 | -1.31% |
| 2007-12-14 | 0 | 26.65 | 26.60 | 26.75 | 26.65 | 26.80 | 17,750 | 475,113 | 26.767 | 26.65 | 26.60 | 26.75 | 26.65 | 26.80 | 17,750 | 26.767 | 0.19% |
| 2007-12-13 | 0 | 26.60 | 26.60 | 26.70 | 26.50 | 26.70 | 18,000 | 479,375 | 26.632 | 26.60 | 26.60 | 26.70 | 26.50 | 26.70 | 18,000 | 26.632 | 2.11% |
| 2007-12-12 | 0 | 26.05 | 26.00 | 26.10 | 26.00 | 26.10 | 32,500 | 847,425 | 26.075 | 26.05 | 26.00 | 26.10 | 26.00 | 26.10 | 32,500 | 26.075 | 0.58% |
| 2007-12-11 | 0 | 25.90 | 25.90 | 26.00 | 25.75 | 25.90 | 56,000 | 1,442,900 | 25.766 | 25.90 | 25.90 | 26.00 | 25.75 | 25.90 | 56,000 | 25.766 | 0.19% |
| 2007-12-10 | 0 | 25.85 | 25.75 | 25.85 | 25.80 | 26.00 | 42,500 | 1,098,063 | 25.837 | 25.85 | 25.75 | 25.85 | 25.80 | 26.00 | 42,500 | 25.837 | 0.39% |
| 2007-12-07 | 0 | 25.75 | 25.70 | 25.90 | 25.70 | 25.75 | 24,000 | 617,050 | 25.710 | 25.75 | 25.70 | 25.90 | 25.70 | 25.75 | 24,000 | 25.710 | 0.78% |
| 2007-12-06 | 0 | 25.55 | 25.50 | 25.55 | 25.50 | 25.75 | 35,250 | 901,275 | 25.568 | 25.55 | 25.50 | 25.55 | 25.50 | 25.75 | 35,250 | 25.568 | -0.78% |
| 2007-12-05 | 0 | 25.75 | 25.70 | 25.75 | 25.70 | 25.75 | 23,250 | 597,950 | 25.718 | 25.75 | 25.70 | 25.75 | 25.70 | 25.75 | 23,250 | 25.718 | 0.39% |
| 2007-12-04 | 0 | 25.65 | 25.60 | 25.65 | 25.60 | 25.70 | 22,750 | 584,225 | 25.680 | 25.65 | 25.60 | 25.65 | 25.60 | 25.70 | 22,750 | 25.680 | -0.19% |
| 2007-12-03 | 0 | 25.70 | 25.70 | 25.75 | 25.55 | 25.75 | 26,000 | 668,013 | 25.693 | 25.70 | 25.70 | 25.75 | 25.55 | 25.75 | 26,000 | 25.693 | -0.39% |
| 2007-11-30 | 0 | 25.80 | 25.80 | 25.90 | 25.75 | 25.90 | 9,000 | 232,100 | 25.789 | 25.80 | 25.80 | 25.90 | 25.75 | 25.90 | 9,000 | 25.789 | -1.34% |
| 2007-11-29 | 0 | 26.15 | 25.80 | 26.15 | 25.75 | 26.15 | 18,500 | 480,163 | 25.955 | 26.15 | 25.80 | 26.15 | 25.75 | 26.15 | 18,500 | 25.955 | 0.19% |
| 2007-11-28 | 0 | 26.10 | 26.05 | 26.15 | 26.10 | 26.15 | 23,500 | 614,125 | 26.133 | 26.10 | 26.05 | 26.15 | 26.10 | 26.15 | 23,500 | 26.133 | -0.76% |
| 2007-11-27 | 0 | 26.30 | 26.30 | 26.55 | 26.25 | 26.60 | 21,500 | 567,075 | 26.376 | 26.30 | 26.30 | 26.55 | 26.25 | 26.60 | 21,500 | 26.376 | -1.50% |
| 2007-11-26 | 0 | 26.70 | 26.60 | 26.80 | 26.55 | 26.75 | 8,250 | 219,375 | 26.591 | 26.70 | 26.60 | 26.80 | 26.55 | 26.75 | 8,250 | 26.591 | 0.95% |
| 2007-11-23 | 0 | 26.45 | 26.35 | 26.45 | 26.40 | 26.50 | 5,500 | 145,513 | 26.457 | 26.45 | 26.35 | 26.45 | 26.40 | 26.50 | 5,500 | 26.457 | 0.00% |
| 2007-11-22 | 0 | 26.45 | 26.30 | 26.45 | 26.30 | 26.50 | 3,000 | 79,325 | 26.442 | 26.45 | 26.30 | 26.45 | 26.30 | 26.50 | 3,000 | 26.442 | -0.19% |
| 2007-11-21 | 0 | 26.50 | 26.50 | 26.65 | 26.35 | 26.65 | 49,250 | 1,308,188 | 26.562 | 26.50 | 26.50 | 26.65 | 26.35 | 26.65 | 49,250 | 26.562 | 1.73% |
| 2007-11-20 | 0 | 26.05 | 26.00 | 26.10 | 25.75 | 26.05 | 45,500 | 1,175,450 | 25.834 | 26.05 | 26.00 | 26.10 | 25.75 | 26.05 | 45,500 | 25.834 | -1.14% |
| 2007-11-19 | 0 | 26.35 | 26.20 | 26.35 | 26.20 | 26.40 | 3,250 | 85,425 | 26.285 | 26.35 | 26.20 | 26.35 | 26.20 | 26.40 | 3,250 | 26.285 | 1.15% |
| 2007-11-16 | 0 | 26.05 | 26.00 | 26.05 | 26.00 | 26.10 | 17,500 | 456,050 | 26.060 | 26.05 | 26.00 | 26.05 | 26.00 | 26.10 | 17,500 | 26.060 | -1.14% |
| 2007-11-15 | 0 | 26.35 | 26.25 | 26.35 | 26.30 | 26.40 | 10,000 | 263,263 | 26.326 | 26.35 | 26.25 | 26.35 | 26.30 | 26.40 | 10,000 | 26.326 | 0.96% |
| 2007-11-14 | 0 | 26.10 | 26.00 | 26.10 | 25.80 | 26.10 | 33,750 | 878,000 | 26.015 | 26.10 | 26.00 | 26.10 | 25.80 | 26.10 | 33,750 | 26.015 | 0.00% |
| 2007-11-13 | 0 | 26.10 | 26.10 | 26.20 | 26.00 | 26.25 | 23,250 | 607,013 | 26.108 | 26.10 | 26.10 | 26.20 | 26.00 | 26.25 | 23,250 | 26.108 | -0.95% |
| 2007-11-12 | 0 | 26.35 | 26.35 | 26.40 | 26.35 | 26.60 | 10,750 | 283,950 | 26.414 | 26.35 | 26.35 | 26.40 | 26.35 | 26.60 | 10,750 | 26.414 | -1.31% |
| 2007-11-09 | 0 | 26.70 | 26.60 | 26.70 | 26.40 | 26.70 | 19,250 | 512,763 | 26.637 | 26.70 | 26.60 | 26.70 | 26.40 | 26.70 | 19,250 | 26.637 | 0.75% |
| 2007-11-08 | 0 | 26.50 | 26.50 | 26.55 | 26.30 | 27.50 | 84,250 | 2,238,763 | 26.573 | 26.50 | 26.50 | 26.55 | 26.30 | 27.50 | 84,250 | 26.573 | -1.49% |
| 2007-11-07 | 0 | 26.90 | 26.85 | 26.90 | 26.75 | 26.90 | 49,250 | 1,322,138 | 26.845 | 26.90 | 26.85 | 26.90 | 26.75 | 26.90 | 49,250 | 26.845 | 2.67% |
| 2007-11-06 | 0 | 26.20 | 26.20 | 26.45 | 26.10 | 26.20 | 8,250 | 215,975 | 26.179 | 26.20 | 26.20 | 26.45 | 26.10 | 26.20 | 8,250 | 26.179 | 0.19% |
| 2007-11-05 | 0 | 26.15 | 26.10 | 26.20 | 26.10 | 26.25 | 30,750 | 805,963 | 26.210 | 26.15 | 26.10 | 26.20 | 26.10 | 26.25 | 30,750 | 26.210 | 0.19% |
| 2007-11-02 | 0 | 26.10 | 26.05 | 26.10 | 26.00 | 26.20 | 28,250 | 738,538 | 26.143 | 26.10 | 26.05 | 26.10 | 26.00 | 26.20 | 28,250 | 26.143 | -1.32% |
| 2007-11-01 | 0 | 26.45 | 26.25 | 26.45 | 26.20 | 26.50 | 27,500 | 726,325 | 26.412 | 26.45 | 26.25 | 26.45 | 26.20 | 26.50 | 27,500 | 26.412 | 3.12% |
| 2007-10-31 | 0 | 25.65 | 25.65 | 25.70 | 25.50 | 25.90 | 33,500 | 862,288 | 25.740 | 25.65 | 25.65 | 25.70 | 25.50 | 25.90 | 33,500 | 25.740 | -1.54% |
| 2007-10-30 | 0 | 26.05 | 26.00 | 26.05 | 26.00 | 26.05 | 49,750 | 1,295,600 | 26.042 | 26.05 | 26.00 | 26.05 | 26.00 | 26.05 | 49,750 | 26.042 | 0.19% |
| 2007-10-29 | 0 | 26.00 | 26.00 | 26.05 | 25.90 | 26.05 | 36,000 | 937,525 | 26.042 | 26.00 | 26.00 | 26.05 | 25.90 | 26.05 | 36,000 | 26.042 | 0.58% |
| 2007-10-26 | 0 | 25.85 | 25.65 | 25.85 | 25.45 | 25.85 | 22,500 | 577,050 | 25.647 | 25.85 | 25.65 | 25.85 | 25.45 | 25.85 | 22,500 | 25.647 | 3.19% |
| 2007-10-25 | 0 | 25.05 | 25.05 | 25.15 | 25.05 | 25.05 | 5,000 | 125,450 | 25.090 | 25.05 | 25.05 | 25.15 | 25.05 | 25.05 | 5,000 | 25.090 | 0.60% |
| 2007-10-24 | 0 | 24.90 | 24.85 | 25.05 | 24.90 | 25.05 | 6,750 | 168,550 | 24.970 | 24.90 | 24.85 | 25.05 | 24.90 | 25.05 | 6,750 | 24.970 | -0.40% |
| 2007-10-23 | 0 | 25.00 | 24.95 | 25.10 | 24.95 | 25.15 | 14,250 | 356,838 | 25.041 | 25.00 | 24.95 | 25.10 | 24.95 | 25.15 | 14,250 | 25.041 | -1.19% |
| 2007-10-22 | 0 | 25.30 | 25.10 | 25.30 | 25.10 | 25.40 | 22,750 | 573,188 | 25.195 | 25.30 | 25.10 | 25.30 | 25.10 | 25.40 | 22,750 | 25.195 | -0.20% |
| 2007-10-18 | 0 | 25.35 | 25.10 | 25.35 | 25.10 | 25.35 | 24,500 | 616,188 | 25.151 | 25.35 | 25.10 | 25.35 | 25.10 | 25.35 | 24,500 | 25.151 | 0.40% |
| 2007-10-17 | 0 | 25.25 | 25.15 | 25.25 | 25.30 | 25.30 | 250 | 6,325 | 25.300 | 25.25 | 25.15 | 25.25 | 25.30 | 25.30 | 250 | 25.300 | -0.20% |
| 2007-10-16 | 0 | 25.30 | 25.20 | 25.30 | 25.00 | 26.00 | 23,750 | 599,113 | 25.226 | 25.30 | 25.20 | 25.30 | 25.00 | 26.00 | 23,750 | 25.226 | 1.81% |
| 2007-10-15 | 0 | 24.85 | 24.85 | 24.95 | 24.75 | 24.90 | 8,500 | 211,063 | 24.831 | 24.85 | 24.85 | 24.95 | 24.75 | 24.90 | 8,500 | 24.831 | 0.81% |
| 2007-10-12 | 0 | 24.65 | 24.65 | 24.70 | 24.55 | 24.70 | 8,750 | 215,038 | 24.576 | 24.65 | 24.65 | 24.70 | 24.55 | 24.70 | 8,750 | 24.576 | 0.82% |
| 2007-10-11 | 0 | 24.45 | 24.35 | 24.45 | 24.40 | 25.00 | 6,000 | 147,750 | 24.625 | 24.45 | 24.35 | 24.45 | 24.40 | 25.00 | 6,000 | 24.625 | 0.62% |
| 2007-10-10 | 0 | 24.30 | 24.20 | 24.30 | 24.20 | 24.30 | 4,000 | 96,975 | 24.244 | 24.30 | 24.20 | 24.30 | 24.20 | 24.30 | 4,000 | 24.244 | 1.25% |
| 2007-10-09 | 0 | 24.00 | 24.00 | 24.15 | 24.00 | 24.15 | 26,500 | 639,488 | 24.132 | 24.00 | 24.00 | 24.15 | 24.00 | 24.15 | 26,500 | 24.132 | -1.84% |
| 2007-10-08 | 0 | 24.45 | 24.45 | 24.55 | 24.35 | 24.60 | 43,500 | 1,064,900 | 24.480 | 24.45 | 24.45 | 24.55 | 24.35 | 24.60 | 43,500 | 24.480 | -0.20% |
| 2007-10-05 | 0 | 24.50 | 24.45 | 24.50 | 24.45 | 24.50 | 13,500 | 330,450 | 24.478 | 24.50 | 24.45 | 24.50 | 24.45 | 24.50 | 13,500 | 24.478 | 0.82% |
| 2007-10-04 | 0 | 24.30 | 24.25 | 24.40 | 24.25 | 24.35 | 18,871 | 458,528 | 24.298 | 24.30 | 24.25 | 24.40 | 24.25 | 24.35 | 18,871 | 24.298 | -0.41% |
| 2007-10-03 | 0 | 24.40 | 24.40 | 24.45 | 24.40 | 24.60 | 36,750 | 900,938 | 24.515 | 24.40 | 24.40 | 24.45 | 24.40 | 24.60 | 36,750 | 24.515 | -1.21% |
| 2007-10-02 | 0 | 24.70 | 24.65 | 24.70 | 24.65 | 24.85 | 41,000 | 1,015,300 | 24.763 | 24.70 | 24.65 | 24.70 | 24.65 | 24.85 | 41,000 | 24.763 | -2.18% |
| 2007-09-28 | 0 | 25.25 | 25.20 | 25.25 | 25.00 | 25.25 | 28,500 | 714,950 | 25.086 | 25.25 | 25.20 | 25.25 | 25.00 | 25.25 | 28,500 | 25.086 | 1.61% |
| 2007-09-27 | 0 | 24.85 | 24.85 | 24.95 | 24.80 | 24.90 | 6,250 | 155,100 | 24.816 | 24.85 | 24.85 | 24.95 | 24.80 | 24.90 | 6,250 | 24.816 | -0.20% |
| 2007-09-25 | 0 | 24.90 | 24.80 | 24.90 | 24.90 | 24.95 | 20,000 | 498,325 | 24.916 | 24.90 | 24.80 | 24.90 | 24.90 | 24.95 | 20,000 | 24.916 | 0.00% |
| 2007-09-24 | 0 | 24.90 | 24.85 | 24.90 | 24.90 | 25.00 | 56,750 | 1,413,713 | 24.911 | 24.90 | 24.85 | 24.90 | 24.90 | 25.00 | 56,750 | 24.911 | 0.40% |
| 2007-09-21 | 0 | 24.80 | 24.75 | 24.80 | 24.70 | 24.95 | 13,000 | 323,050 | 24.850 | 24.80 | 24.75 | 24.80 | 24.70 | 24.95 | 13,000 | 24.850 | 1.22% |
| 2007-09-20 | 0 | 24.50 | 24.50 | 24.70 | 24.45 | 24.70 | 38,000 | 933,175 | 24.557 | 24.50 | 24.50 | 24.70 | 24.45 | 24.70 | 38,000 | 24.557 | -0.41% |
| 2007-09-19 | 0 | 24.60 | 24.55 | 24.60 | 24.50 | 24.65 | 45,750 | 1,126,313 | 24.619 | 24.60 | 24.55 | 24.60 | 24.50 | 24.65 | 45,750 | 24.619 | 1.44% |
| 2007-09-18 | 0 | 24.25 | 24.25 | 24.30 | 24.20 | 24.25 | 8,000 | 193,700 | 24.213 | 24.25 | 24.25 | 24.30 | 24.20 | 24.25 | 8,000 | 24.213 | 0.83% |
| 2007-09-17 | 0 | 24.05 | 24.00 | 24.10 | 23.95 | 24.10 | 211,750 | 5,090,563 | 24.040 | 24.05 | 24.00 | 24.10 | 23.95 | 24.10 | 211,750 | 24.040 | 1.26% |
| 2007-09-14 | 0 | 23.75 | 23.75 | 23.90 | 23.75 | 23.90 | 10,000 | 237,688 | 23.769 | 23.75 | 23.75 | 23.90 | 23.75 | 23.90 | 10,000 | 23.769 | -0.84% |
| 2007-09-13 | 0 | 23.95 | 23.85 | 23.95 | 23.55 | 24.00 | 9,500 | 226,788 | 23.872 | 23.95 | 23.85 | 23.95 | 23.55 | 24.00 | 9,500 | 23.872 | 1.70% |
| 2007-09-12 | 0 | 23.55 | 23.50 | 23.60 | 23.50 | 23.55 | 30,000 | 705,325 | 23.511 | 23.55 | 23.50 | 23.60 | 23.50 | 23.55 | 30,000 | 23.511 | 0.00% |
| 2007-09-11 | 0 | 23.55 | 23.40 | 23.55 | 23.35 | 23.55 | 11,500 | 269,750 | 23.457 | 23.55 | 23.40 | 23.55 | 23.35 | 23.55 | 11,500 | 23.457 | 1.51% |
| 2007-09-10 | 0 | 23.20 | 23.20 | 23.35 | 23.20 | 23.30 | 3,750 | 87,150 | 23.240 | 23.20 | 23.20 | 23.35 | 23.20 | 23.30 | 3,750 | 23.240 | -0.43% |
| 2007-09-07 | 0 | 23.30 | 23.10 | 23.30 | 23.30 | 23.30 | 7,000 | 163,100 | 23.300 | 23.30 | 23.10 | 23.30 | 23.30 | 23.30 | 7,000 | 23.300 | -0.21% |
| 2007-09-06 | 0 | 23.35 | 23.10 | 23.35 | 23.35 | 23.35 | 2,750 | 64,213 | 23.350 | 23.35 | 23.10 | 23.35 | 23.35 | 23.35 | 2,750 | 23.350 | -0.43% |
| 2007-09-05 | 0 | 23.45 | 23.30 | 23.45 | 23.20 | 23.45 | 16,250 | 379,088 | 23.328 | 23.45 | 23.30 | 23.45 | 23.20 | 23.45 | 16,250 | 23.328 | 2.18% |
| 2007-09-04 | 0 | 22.95 | 22.95 | 23.00 | 22.95 | 23.00 | 2,000 | 45,950 | 22.975 | 22.95 | 22.95 | 23.00 | 22.95 | 23.00 | 2,000 | 22.975 | 0.22% |
| 2007-09-03 | 0 | 22.90 | 22.90 | 23.00 | 22.90 | 22.90 | 2,500 | 57,250 | 22.900 | 22.90 | 22.90 | 23.00 | 22.90 | 22.90 | 2,500 | 22.900 | 0.22% |
| 2007-08-31 | 0 | 22.85 | 22.80 | 22.90 | 22.85 | 22.85 | 5,000 | 114,250 | 22.850 | 22.85 | 22.80 | 22.90 | 22.85 | 22.85 | 5,000 | 22.850 | 0.22% |
| 2007-08-30 | 0 | 22.80 | 22.80 | 23.00 | 22.75 | 22.95 | 52,000 | 1,183,100 | 22.752 | 22.80 | 22.80 | 23.00 | 22.75 | 22.95 | 52,000 | 22.752 | 0.88% |
| 2007-08-29 | 0 | 22.60 | 22.55 | 24.00 | 22.55 | 22.80 | 13,750 | 310,600 | 22.589 | 22.60 | 22.55 | 24.00 | 22.55 | 22.80 | 13,750 | 22.589 | -0.22% |
| 2007-08-28 | 0 | 22.65 | 22.65 | 22.80 | 22.65 | 22.85 | 41,000 | 933,263 | 22.763 | 22.65 | 22.65 | 22.80 | 22.65 | 22.85 | 41,000 | 22.763 | 0.22% |
| 2007-08-27 | 0 | 22.60 | 22.60 | 22.80 | 22.60 | 22.70 | 5,000 | 113,450 | 22.690 | 22.60 | 22.60 | 22.80 | 22.60 | 22.70 | 5,000 | 22.690 | 0.00% |
| 2007-08-24 | 0 | 22.60 | 22.60 | 23.00 | - | - | 0 | 0 | - | 22.60 | 22.60 | 23.00 | - | - | 0 | - | 0.00% |
| 2007-08-23 | 0 | 22.60 | 22.30 | 22.60 | 22.35 | 22.60 | 13,000 | 293,250 | 22.558 | 22.60 | 22.30 | 22.60 | 22.35 | 22.60 | 13,000 | 22.558 | 1.35% |
| 2007-08-22 | 0 | 22.30 | 22.30 | 22.55 | 22.25 | 22.25 | 4,750 | 105,688 | 22.250 | 22.30 | 22.30 | 22.55 | 22.25 | 22.25 | 4,750 | 22.250 | -0.67% |
| 2007-08-21 | 0 | 22.45 | 22.45 | 22.70 | 22.45 | 22.65 | 10,250 | 230,488 | 22.487 | 22.45 | 22.45 | 22.70 | 22.45 | 22.65 | 10,250 | 22.487 | -1.10% |
| 2007-08-20 | 0 | 22.70 | 22.65 | 22.70 | 22.70 | 22.75 | 18,250 | 414,475 | 22.711 | 22.70 | 22.65 | 22.70 | 22.70 | 22.75 | 18,250 | 22.711 | 0.89% |
| 2007-08-17 | 0 | 22.50 | 22.50 | 22.60 | 22.35 | 22.75 | 22,750 | 515,113 | 22.642 | 22.50 | 22.50 | 22.60 | 22.35 | 22.75 | 22,750 | 22.642 | -2.17% |
| 2007-08-16 | 0 | 23.00 | 22.80 | 23.00 | 23.00 | 23.10 | 17,500 | 403,213 | 23.041 | 23.00 | 22.80 | 23.00 | 23.00 | 23.10 | 17,500 | 23.041 | -0.65% |
| 2007-08-15 | 0 | 23.15 | 23.00 | 23.15 | 23.40 | 23.40 | 1,000 | 23,400 | 23.400 | 23.15 | 23.00 | 23.15 | 23.40 | 23.40 | 1,000 | 23.400 | -0.64% |
| 2007-08-14 | 0 | 23.30 | 23.10 | 23.60 | 23.10 | 23.30 | 7,000 | 162,963 | 23.280 | 23.30 | 23.10 | 23.60 | 23.10 | 23.30 | 7,000 | 23.280 | 0.22% |
| 2007-08-13 | 0 | 23.25 | 23.25 | 23.45 | 23.15 | 23.20 | 159,500 | 3,700,350 | 23.200 | 23.25 | 23.25 | 23.45 | 23.15 | 23.20 | 159,500 | 23.200 | 0.22% |
| 2007-08-10 | 0 | 23.20 | 23.20 | 23.35 | 23.20 | 23.30 | 8,750 | 203,700 | 23.280 | 23.20 | 23.20 | 23.35 | 23.20 | 23.30 | 8,750 | 23.280 | -1.07% |
| 2007-08-09 | 0 | 23.45 | 23.40 | 23.45 | 23.50 | 23.50 | 8,000 | 188,000 | 23.500 | 23.45 | 23.40 | 23.45 | 23.50 | 23.50 | 8,000 | 23.500 | 0.00% |
| 2007-08-08 | 0 | 23.45 | 23.35 | 23.45 | 23.45 | 23.45 | 750 | 17,588 | 23.451 | 23.45 | 23.35 | 23.45 | 23.45 | 23.45 | 750 | 23.451 | 0.43% |
| 2007-08-07 | 0 | 23.35 | 23.30 | 23.40 | 23.35 | 23.40 | 14,500 | 339,200 | 23.393 | 23.35 | 23.30 | 23.40 | 23.35 | 23.40 | 14,500 | 23.393 | -0.64% |
| 2007-08-06 | 0 | 23.50 | 23.45 | 23.70 | 23.50 | 23.75 | 9,000 | 212,213 | 23.579 | 23.50 | 23.45 | 23.70 | 23.50 | 23.75 | 9,000 | 23.579 | -1.88% |
| 2007-08-03 | 0 | 23.95 | 23.95 | 24.00 | 23.80 | 24.00 | 6,250 | 148,975 | 23.836 | 23.95 | 23.95 | 24.00 | 23.80 | 24.00 | 6,250 | 23.836 | -0.21% |
| 2007-08-02 | 0 | 24.00 | 23.90 | 24.05 | 23.90 | 24.00 | 20,500 | 491,950 | 23.998 | 24.00 | 23.90 | 24.05 | 23.90 | 24.00 | 20,500 | 23.998 | -0.83% |
| 2007-08-01 | 0 | 24.20 | 24.10 | 24.20 | 24.05 | 24.25 | 22,000 | 529,563 | 24.071 | 24.20 | 24.10 | 24.20 | 24.05 | 24.25 | 22,000 | 24.071 | 1.47% |
| 2007-07-31 | 0 | 23.85 | 23.85 | 24.00 | 23.85 | 24.00 | 11,000 | 262,675 | 23.880 | 23.85 | 23.85 | 24.00 | 23.85 | 24.00 | 11,000 | 23.880 | 0.42% |
| 2007-07-30 | 0 | 23.75 | 23.75 | 23.85 | 23.75 | 23.80 | 10,500 | 249,475 | 23.760 | 23.75 | 23.75 | 23.85 | 23.75 | 23.80 | 10,500 | 23.760 | 1.06% |
| 2007-07-27 | 0 | 23.50 | 23.50 | 23.65 | 23.50 | 23.65 | 21,500 | 506,213 | 23.545 | 23.50 | 23.50 | 23.65 | 23.50 | 23.65 | 21,500 | 23.545 | -1.47% |
| 2007-07-26 | 0 | 23.85 | 23.85 | 23.95 | 23.75 | 23.75 | 4,000 | 95,125 | 23.781 | 23.85 | 23.85 | 23.95 | 23.75 | 23.75 | 4,000 | 23.781 | 0.42% |
| 2007-07-25 | 0 | 23.75 | 23.65 | 24.00 | 23.55 | 23.80 | 26,250 | 622,600 | 23.718 | 23.75 | 23.65 | 24.00 | 23.55 | 23.80 | 26,250 | 23.718 | -0.63% |
| 2007-07-24 | 0 | 23.90 | 23.80 | 23.90 | 23.65 | 23.95 | 15,750 | 376,363 | 23.896 | 23.90 | 23.80 | 23.90 | 23.65 | 23.95 | 15,750 | 23.896 | -0.83% |
| 2007-07-23 | 0 | 24.10 | 24.00 | 24.10 | 24.00 | 24.20 | 25,750 | 620,750 | 24.107 | 24.10 | 24.00 | 24.10 | 24.00 | 24.20 | 25,750 | 24.107 | -0.41% |
| 2007-07-20 | 0 | 24.20 | 24.15 | 24.40 | 24.10 | 24.20 | 11,000 | 265,800 | 24.164 | 24.20 | 24.15 | 24.40 | 24.10 | 24.20 | 11,000 | 24.164 | 0.41% |
| 2007-07-19 | 0 | 24.10 | 24.00 | 24.10 | 23.95 | 24.10 | 6,250 | 149,725 | 23.956 | 24.10 | 24.00 | 24.10 | 23.95 | 24.10 | 6,250 | 23.956 | 1.26% |
| 2007-07-18 | 0 | 23.80 | 23.80 | 23.90 | 23.80 | 23.90 | 14,750 | 352,288 | 23.884 | 23.80 | 23.80 | 23.90 | 23.80 | 23.90 | 14,750 | 23.884 | -0.63% |
| 2007-07-17 | 0 | 23.95 | 23.90 | 24.00 | 23.95 | 23.95 | 32,250 | 772,375 | 23.950 | 23.95 | 23.90 | 24.00 | 23.95 | 23.95 | 32,250 | 23.950 | -0.83% |
| 2007-07-16 | 0 | 24.15 | 24.15 | 24.20 | 24.10 | 24.20 | 5,500 | 132,713 | 24.130 | 24.15 | 24.15 | 24.20 | 24.10 | 24.20 | 5,500 | 24.130 | 0.62% |
| 2007-07-13 | 0 | 24.00 | 24.00 | 24.05 | 23.95 | 24.05 | 6,750 | 161,988 | 23.998 | 24.00 | 24.00 | 24.05 | 23.95 | 24.05 | 6,750 | 23.998 | 0.21% |
| 2007-07-12 | 0 | 23.95 | 23.95 | 24.15 | 23.90 | 23.95 | 2,500 | 59,763 | 23.905 | 23.95 | 23.95 | 24.15 | 23.90 | 23.95 | 2,500 | 23.905 | 0.42% |
| 2007-07-11 | 0 | 23.85 | 23.85 | 24.05 | 23.85 | 24.00 | 15,000 | 358,350 | 23.890 | 23.85 | 23.85 | 24.05 | 23.85 | 24.00 | 15,000 | 23.890 | 0.21% |
| 2007-07-10 | 0 | 23.80 | 23.80 | 23.85 | 23.80 | 23.85 | 4,750 | 113,200 | 23.832 | 23.80 | 23.80 | 23.85 | 23.80 | 23.85 | 4,750 | 23.832 | 0.21% |
| 2007-07-09 | 0 | 23.75 | 23.75 | 23.80 | 23.70 | 23.80 | 14,750 | 350,225 | 23.744 | 23.75 | 23.75 | 23.80 | 23.70 | 23.80 | 14,750 | 23.744 | 0.64% |
| 2007-07-06 | 0 | 23.60 | 23.40 | 23.80 | 23.40 | 23.65 | 11,000 | 259,438 | 23.585 | 23.60 | 23.40 | 23.80 | 23.40 | 23.65 | 11,000 | 23.585 | 0.43% |
| 2007-07-05 | 0 | 23.50 | 23.50 | 23.55 | 23.50 | 23.55 | 24,750 | 581,800 | 23.507 | 23.50 | 23.50 | 23.55 | 23.50 | 23.55 | 24,750 | 23.507 | 0.43% |
| 2007-07-04 | 0 | 23.40 | 23.40 | 23.50 | 22.90 | 23.40 | 1,250 | 28,875 | 23.100 | 23.40 | 23.40 | 23.50 | 22.90 | 23.40 | 1,250 | 23.100 | 0.00% |
| 2007-07-03 | 0 | 23.40 | 23.30 | 23.50 | 23.40 | 23.55 | 22,750 | 533,663 | 23.458 | 23.40 | 23.30 | 23.50 | 23.40 | 23.55 | 22,750 | 23.458 | 0.00% |
| 2007-06-29 | 0 | 23.40 | 23.30 | 23.45 | 23.30 | 23.40 | 12,750 | 297,475 | 23.331 | 23.40 | 23.30 | 23.45 | 23.30 | 23.40 | 12,750 | 23.331 | 0.43% |
| 2007-06-28 | 0 | 23.30 | 23.30 | 23.40 | 23.20 | 23.30 | 7,250 | 168,600 | 23.255 | 23.30 | 23.30 | 23.40 | 23.20 | 23.30 | 7,250 | 23.255 | 0.65% |
| 2007-06-27 | 0 | 23.15 | 23.05 | 23.15 | 23.00 | 23.15 | 1,750 | 40,363 | 23.065 | 23.15 | 23.05 | 23.15 | 23.00 | 23.15 | 1,750 | 23.065 | -0.43% |
| 2007-06-26 | 0 | 23.25 | 23.10 | 23.30 | 23.30 | 23.30 | 7,250 | 168,925 | 23.300 | 23.25 | 23.10 | 23.30 | 23.30 | 23.30 | 7,250 | 23.300 | 0.43% |
| 2007-06-25 | 0 | 23.15 | 23.10 | 23.30 | 23.15 | 23.20 | 10,250 | 237,825 | 23.202 | 23.15 | 23.10 | 23.30 | 23.15 | 23.20 | 10,250 | 23.202 | -0.86% |
| 2007-06-22 | 0 | 23.35 | 23.30 | 23.35 | 23.30 | 23.40 | 14,250 | 332,263 | 23.317 | 23.35 | 23.30 | 23.35 | 23.30 | 23.40 | 14,250 | 23.317 | -0.43% |
| 2007-06-21 | 0 | 23.45 | 23.45 | 23.65 | 23.45 | 23.50 | 15,250 | 358,463 | 23.506 | 23.45 | 23.45 | 23.65 | 23.45 | 23.50 | 15,250 | 23.506 | -0.42% |
| 2007-06-20 | 0 | 23.55 | 23.55 | 23.65 | 23.50 | 23.85 | 433,000 | 10,178,763 | 23.508 | 23.55 | 23.55 | 23.65 | 23.50 | 23.85 | 433,000 | 23.508 | -1.26% |
| 2007-06-18 | 0 | 23.85 | 23.75 | 23.85 | 23.60 | 23.85 | 63,250 | 1,507,250 | 23.830 | 23.85 | 23.75 | 23.85 | 23.60 | 23.85 | 63,250 | 23.830 | 1.27% |
| 2007-06-15 | 0 | 23.55 | 23.45 | 23.55 | 23.35 | 23.60 | 48,000 | 1,129,300 | 23.527 | 23.55 | 23.45 | 23.55 | 23.35 | 23.60 | 48,000 | 23.527 | 1.95% |
| 2007-06-14 | 0 | 23.10 | 23.10 | 23.30 | 23.00 | 23.30 | 51,250 | 1,180,275 | 23.030 | 23.10 | 23.10 | 23.30 | 23.00 | 23.30 | 51,250 | 23.030 | 0.43% |
| 2007-06-13 | 0 | 23.00 | 23.00 | 23.05 | 22.95 | 23.05 | 7,750 | 178,213 | 22.995 | 23.00 | 23.00 | 23.05 | 22.95 | 23.05 | 7,750 | 22.995 | -0.65% |
| 2007-06-12 | 0 | 23.15 | 22.95 | 23.15 | 22.90 | 23.20 | 5,750 | 132,438 | 23.033 | 23.15 | 22.95 | 23.15 | 22.90 | 23.20 | 5,750 | 23.033 | 1.09% |
| 2007-06-11 | 0 | 22.90 | 22.90 | 22.95 | 22.90 | 23.10 | 21,750 | 499,188 | 22.951 | 22.90 | 22.90 | 22.95 | 22.90 | 23.10 | 21,750 | 22.951 | -1.51% |
| 2007-06-08 | 0 | 23.25 | 23.20 | 23.30 | 23.25 | 23.35 | 7,500 | 174,625 | 23.283 | 23.25 | 23.20 | 23.30 | 23.25 | 23.35 | 7,500 | 23.283 | -0.43% |
| 2007-06-07 | 0 | 23.35 | 23.20 | 23.35 | 23.35 | 23.35 | 500 | 11,675 | 23.350 | 23.35 | 23.20 | 23.35 | 23.35 | 23.35 | 500 | 23.350 | 0.65% |
| 2007-06-06 | 0 | 23.20 | 23.20 | 23.40 | 23.20 | 23.25 | 117,000 | 2,714,588 | 23.202 | 23.20 | 23.20 | 23.40 | 23.20 | 23.25 | 117,000 | 23.202 | -0.22% |
| 2007-06-05 | 0 | 23.25 | 23.25 | 23.45 | 23.25 | 23.40 | 13,000 | 303,338 | 23.334 | 23.25 | 23.25 | 23.45 | 23.25 | 23.40 | 13,000 | 23.334 | 0.00% |
| 2007-06-04 | 0 | 23.25 | 23.20 | 23.25 | 23.15 | 23.25 | 14,500 | 337,000 | 23.241 | 23.25 | 23.20 | 23.25 | 23.15 | 23.25 | 14,500 | 23.241 | 0.43% |
| 2007-06-01 | 0 | 23.15 | 23.15 | 23.25 | 23.00 | 23.25 | 7,750 | 180,013 | 23.227 | 23.15 | 23.15 | 23.25 | 23.00 | 23.25 | 7,750 | 23.227 | 0.65% |
| 2007-05-31 | 0 | 23.00 | 22.95 | 23.00 | 23.00 | 23.00 | 12,000 | 276,000 | 23.000 | 23.00 | 22.95 | 23.00 | 23.00 | 23.00 | 12,000 | 23.000 | 0.66% |
| 2007-05-30 | 0 | 22.85 | 22.80 | 22.90 | 22.70 | 23.20 | 39,000 | 894,663 | 22.940 | 22.85 | 22.80 | 22.90 | 22.70 | 23.20 | 39,000 | 22.940 | -1.51% |
| 2007-05-29 | 0 | 23.20 | 23.05 | 23.20 | 23.20 | 23.20 | 2,750 | 63,800 | 23.200 | 23.20 | 23.05 | 23.20 | 23.20 | 23.20 | 2,750 | 23.200 | 0.00% |
| 2007-05-28 | 0 | 23.20 | 23.20 | 23.25 | 23.15 | 23.20 | 15,500 | 359,350 | 23.184 | 23.20 | 23.20 | 23.25 | 23.15 | 23.20 | 15,500 | 23.184 | 0.22% |
| 2007-05-25 | 0 | 23.15 | 23.10 | 23.15 | 23.05 | 23.25 | 39,750 | 920,325 | 23.153 | 23.15 | 23.10 | 23.15 | 23.05 | 23.25 | 39,750 | 23.153 | -0.43% |
| 2007-05-23 | 0 | 23.25 | 23.20 | 23.25 | 23.20 | 23.30 | 29,250 | 680,288 | 23.258 | 23.25 | 23.20 | 23.25 | 23.20 | 23.30 | 29,250 | 23.258 | -1.06% |
| 2007-05-22 | 0 | 23.50 | 23.45 | 23.50 | 23.35 | 23.50 | 9,500 | 222,988 | 23.472 | 23.50 | 23.45 | 23.50 | 23.35 | 23.50 | 9,500 | 23.472 | 0.64% |
| 2007-05-21 | 0 | 23.35 | 23.30 | 23.35 | 23.30 | 23.35 | 445,750 | 10,387,188 | 23.303 | 23.35 | 23.30 | 23.35 | 23.30 | 23.35 | 445,750 | 23.303 | 0.21% |
| 2007-05-18 | 0 | 23.30 | 23.05 | 23.30 | 23.00 | 23.30 | 4,500 | 104,150 | 23.144 | 23.30 | 23.05 | 23.30 | 23.00 | 23.30 | 4,500 | 23.144 | 1.30% |
| 2007-05-17 | 0 | 23.00 | 22.95 | 23.00 | 23.00 | 23.05 | 6,250 | 144,013 | 23.042 | 23.00 | 22.95 | 23.00 | 23.00 | 23.05 | 6,250 | 23.042 | 0.22% |
| 2007-05-16 | 0 | 22.95 | 22.95 | 23.05 | 22.90 | 23.05 | 2,750 | 63,313 | 23.023 | 22.95 | 22.95 | 23.05 | 22.90 | 23.05 | 2,750 | 23.023 | 0.44% |
| 2007-05-15 | 0 | 22.85 | 22.85 | 22.95 | 22.80 | 22.95 | 16,250 | 372,013 | 22.893 | 22.85 | 22.85 | 22.95 | 22.80 | 22.95 | 16,250 | 22.893 | -0.65% |
| 2007-05-14 | 0 | 23.00 | 23.00 | 23.15 | 22.85 | 22.90 | 17,750 | 406,125 | 22.880 | 23.00 | 23.00 | 23.15 | 22.85 | 22.90 | 17,750 | 22.880 | 0.44% |
| 2007-05-11 | 0 | 22.90 | 22.85 | 22.90 | 22.80 | 22.90 | 19,750 | 451,325 | 22.852 | 22.90 | 22.85 | 22.90 | 22.80 | 22.90 | 19,750 | 22.852 | -0.43% |
| 2007-05-10 | 0 | 23.00 | 22.95 | 23.00 | 23.00 | 23.00 | 12,750 | 293,250 | 23.000 | 23.00 | 22.95 | 23.00 | 23.00 | 23.00 | 12,750 | 23.000 | 0.44% |
| 2007-05-09 | 0 | 22.90 | 22.90 | 23.00 | 22.90 | 23.00 | 17,250 | 396,138 | 22.965 | 22.90 | 22.90 | 23.00 | 22.90 | 23.00 | 17,250 | 22.965 | -0.22% |
| 2007-05-08 | 0 | 22.95 | 22.90 | 22.95 | 22.80 | 23.15 | 52,000 | 1,193,963 | 22.961 | 22.95 | 22.90 | 22.95 | 22.80 | 23.15 | 52,000 | 22.961 | -0.65% |
| 2007-05-07 | 0 | 23.10 | 23.10 | 23.15 | 23.10 | 23.20 | 76,500 | 1,771,150 | 23.152 | 23.10 | 23.10 | 23.15 | 23.10 | 23.20 | 76,500 | 23.152 | -0.22% |
| 2007-05-04 | 0 | 23.15 | 23.10 | 23.15 | 23.15 | 23.15 | 49,500 | 1,145,925 | 23.150 | 23.15 | 23.10 | 23.15 | 23.15 | 23.15 | 49,500 | 23.150 | 0.22% |
| 2007-05-03 | 0 | 23.10 | 23.00 | 23.10 | 23.05 | 23.10 | 17,000 | 391,975 | 23.057 | 23.10 | 23.00 | 23.10 | 23.05 | 23.10 | 17,000 | 23.057 | -0.22% |
| 2007-05-02 | 0 | 23.15 | 23.10 | 23.15 | 23.05 | 23.25 | 14,250 | 330,013 | 23.159 | 23.15 | 23.10 | 23.15 | 23.05 | 23.25 | 14,250 | 23.159 | -0.43% |
| 2007-04-30 | 0 | 23.25 | 23.20 | 23.25 | 23.25 | 23.25 | 19,250 | 447,563 | 23.250 | 23.25 | 23.20 | 23.25 | 23.25 | 23.25 | 19,250 | 23.250 | 0.87% |
| 2007-04-27 | 0 | 23.05 | 23.00 | 23.05 | 23.00 | 23.50 | 240,750 | 5,556,113 | 23.078 | 23.05 | 23.00 | 23.05 | 23.00 | 23.50 | 240,750 | 23.078 | -1.71% |
| 2007-04-26 | 0 | 23.45 | 23.40 | - | 23.40 | 23.50 | 913,500 | 21,383,225 | 23.408 | 23.45 | 23.40 | - | 23.40 | 23.50 | 913,500 | 23.408 |
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