| 2011-04-07 | 29.57 | 28.77 | 114600 |
| 2011-04-06 | 29.26 | 29.50 | 87400 |
| 2011-04-05 | 29.92 | 29.84 | 117000 |
| 2011-04-04 | 29.77 | 29.89 | 107800 |
| 2011-04-01 | 29.76 | 29.80 | 156100 |
| 2011-03-31 | 29.59 | 29.50 | 153400 |
| 2011-03-30 | 29.48 | 29.54 | 130400 |
| 2011-03-29 | 29.04 | 29.28 | 101600 |
| 2011-03-28 | 28.58 | 28.97 | 90300 |
| 2011-03-25 | 28.80 | 28.52 | 179700 |
| 2011-03-24 | 28.42 | 28.61 | 155900 |
| 2011-03-23 | 27.98 | 28.18 | 126900 |
| 2011-03-22 | 27.87 | 27.97 | 443600 |
| 2011-03-21 | 27.21 | 27.78 | 94000 |
| 2011-03-18 | 26.58 | 27.01 | 153700 |
| 2011-03-17 | 26.91 | 26.39 | 111800 |
| 2011-03-16 | 26.76 | 26.50 | 191600 |
| 2011-03-15 | 26.74 | 26.79 | 150900 |
| 2011-03-14 | 27.26 | 27.05 | 138000 |
| 2011-03-11 | 27.51 | 27.55 | 90300 |
| 2011-03-10 | 28.12 | 27.54 | 147900 |
| 2011-03-09 | 28.58 | 28.44 | 145400 |
| 2011-03-08 | 28.46 | 28.52 | 192100 |
| 2011-03-07 | 29.03 | 28.38 | 272400 |
| 2011-03-04 | 27.77 | 29.06 | 342100 |
| 2011-03-03 | 27.40 | 27.93 | 229600 |
| 2011-03-02 | 27.00 | 27.40 | 169000 |
| 2011-03-01 | 27.50 | 27.09 | 159600 |
| 2011-02-28 | 28.30 | 27.53 | 137500 |
| 2011-02-25 | 27.98 | 28.26 | 185200 |
| 2011-02-24 | 27.99 | 27.51 | 222700 |
| 2011-02-23 | 28.09 | 27.75 | 477500 |
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