| 2011-04-07 | 27.39 | 27.38 | 226200 |
| 2011-04-06 | 27.25 | 27.51 | 252700 |
| 2011-04-05 | 26.74 | 27.10 | 191700 |
| 2011-04-04 | 27.19 | 26.77 | 329600 |
| 2011-04-01 | 27.10 | 27.06 | 169000 |
| 2011-03-31 | 26.75 | 26.89 | 124000 |
| 2011-03-30 | 26.68 | 26.78 | 180100 |
| 2011-03-29 | 26.45 | 26.66 | 160500 |
| 2011-03-28 | 26.75 | 26.45 | 272400 |
| 2011-03-25 | 26.20 | 26.57 | 229200 |
| 2011-03-24 | 25.84 | 26.20 | 232700 |
| 2011-03-23 | 25.97 | 25.74 | 129300 |
| 2011-03-22 | 25.43 | 26.06 | 338300 |
| 2011-03-21 | 24.73 | 25.44 | 462700 |
| 2011-03-18 | 24.20 | 24.45 | 340800 |
| 2011-03-17 | 24.29 | 23.98 | 138500 |
| 2011-03-16 | 24.05 | 23.86 | 214300 |
| 2011-03-15 | 23.40 | 24.02 | 229600 |
| 2011-03-14 | 23.88 | 24.01 | 201500 |
| 2011-03-11 | 23.48 | 24.15 | 170200 |
| 2011-03-10 | 24.37 | 24.19 | 217700 |
| 2011-03-09 | 24.25 | 24.62 | 233500 |
| 2011-03-08 | 23.68 | 24.19 | 173600 |
| 2011-03-07 | 23.93 | 23.70 | 298400 |
| 2011-03-04 | 23.78 | 23.88 | 192300 |
| 2011-03-03 | 23.65 | 23.82 | 227100 |
| 2011-03-02 | 23.60 | 23.44 | 238500 |
| 2011-03-01 | 24.23 | 23.55 | 443200 |
| 2011-02-28 | 23.81 | 23.86 | 215900 |
| 2011-02-25 | 23.27 | 23.56 | 311600 |
| 2011-02-24 | 22.78 | 22.83 | 287700 |
| 2011-02-23 | 23.42 | 22.55 | 470800 |
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