| Date | Open | Close | Volume |
| 2010-03-04 | 38.88 | 38.87 | 1017400 |
| 2010-03-03 | 38.74 | 38.93 | 2666700 |
| 2010-03-02 | 38.67 | 38.68 | 2049600 |
| 2010-03-01 | 38.55 | 38.55 | 1837900 |
| 2010-02-26 | 38.78 | 38.79 | 1309400 |
| 2010-02-25 | 38.47 | 38.72 | 1750700 |
| 2010-02-24 | 38.66 | 38.55 | 1595300 |
| 2010-02-23 | 38.79 | 38.51 | 2754300 |
| 2010-02-22 | 38.84 | 38.86 | 2876400 |
| 2010-02-19 | 38.42 | 38.65 | 3429800 |
| 2010-02-18 | 38.03 | 38.40 | 2196800 |
| 2010-02-17 | 37.89 | 37.97 | 1935100 |
| 2010-02-16 | 37.48 | 37.68 | 1958700 |
| 2010-02-12 | 37.11 | 37.27 | 2559000 |
| 2010-02-11 | 37.37 | 37.17 | 2970400 |
| 2010-02-10 | 37.85 | 37.24 | 2070600 |
| 2010-02-09 | 37.76 | 37.79 | 1805700 |
| 2010-02-08 | 37.78 | 37.70 | 2108500 |
| 2010-02-05 | 37.81 | 37.60 | 4830400 |
| 2010-02-04 | 38.50 | 37.93 | 3771900 |
| 2010-02-03 | 38.66 | 38.68 | 1359500 |
| 2010-02-02 | 38.64 | 38.69 | 1438500 |
| 2010-02-01 | 38.60 | 38.61 | 1570400 |
| 2010-01-29 | 38.98 | 38.88 | 1923800 |
| 2010-01-28 | 39.08 | 38.97 | 1667500 |
| 2010-01-27 | 38.92 | 39.02 | 2070100 |
| 2010-01-26 | 38.79 | 38.90 | 1596700 |
| 2010-01-25 | 38.76 | 38.89 | 2165300 |
| 2010-01-22 | 38.95 | 38.62 | 3308200 |
| 2010-01-21 | 39.67 | 38.99 | 3505400 |
| 2010-01-20 | 39.77 | 39.63 | 1163600 |
| 2010-01-19 | 39.78 | 39.87 | 1039900 |
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