| 2011-03-28 | 15.59 | 15.29 | 1543600 |
| 2011-03-25 | 15.79 | 15.58 | 1840100 |
| 2011-03-24 | 15.69 | 15.71 | 1586900 |
| 2011-03-23 | 15.43 | 15.56 | 1529800 |
| 2011-03-22 | 15.53 | 15.49 | 2476700 |
| 2011-03-21 | 15.44 | 15.52 | 2511000 |
| 2011-03-18 | 15.29 | 15.16 | 4806000 |
| 2011-03-17 | 14.94 | 15.01 | 6626500 |
| 2011-03-16 | 14.59 | 14.72 | 5051100 |
| 2011-03-15 | 14.46 | 14.68 | 3091000 |
| 2011-03-14 | 14.51 | 14.96 | 3851500 |
| 2011-03-11 | 14.63 | 14.64 | 4447500 |
| 2011-03-10 | 14.97 | 14.72 | 3849500 |
| 2011-03-09 | 15.22 | 15.24 | 2758500 |
| 2011-03-08 | 15.26 | 15.31 | 4856900 |
| 2011-03-07 | 15.91 | 15.31 | 8788700 |
| 2011-03-04 | 16.56 | 15.90 | 7973200 |
| 2011-03-03 | 17.39 | 16.99 | 3884200 |
| 2011-03-02 | 16.87 | 17.04 | 1536800 |
| 2011-03-01 | 17.24 | 16.84 | 2622600 |
| 2011-02-28 | 17.59 | 17.15 | 2585000 |
| 2011-02-25 | 17.48 | 17.45 | 2012300 |
| 2011-02-24 | 17.02 | 17.23 | 1901300 |
| 2011-02-23 | 17.55 | 16.95 | 3463600 |
| 2011-02-22 | 17.53 | 17.47 | 3222500 |
| 2011-02-18 | 18.06 | 17.99 | 1938000 |
| 2011-02-17 | 17.71 | 18.00 | 2178700 |
| 2011-02-16 | 17.53 | 17.73 | 2205600 |
| 2011-02-15 | 17.88 | 17.39 | 4134600 |
| 2011-02-14 | 17.02 | 17.69 | 5477800 |
| 2011-02-11 | 16.61 | 16.96 | 4397900 |
| 2011-02-10 | 16.37 | 16.72 | 2778500 |
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