| 2011-02-14 | 24.05 | 23.75 | 68600 |
| 2011-02-11 | 24.06 | 24.02 | 104900 |
| 2011-02-10 | 24.41 | 24.01 | 102400 |
| 2011-02-09 | 24.92 | 24.46 | 231800 |
| 2011-02-08 | 24.98 | 25.08 | 44500 |
| 2011-02-07 | 25.07 | 25.08 | 87300 |
| 2011-02-04 | 25.28 | 24.99 | 23800 |
| 2011-02-03 | 25.38 | 25.25 | 24700 |
| 2011-02-02 | 25.01 | 25.34 | 39600 |
| 2011-02-01 | 25.02 | 25.03 | 110700 |
| 2011-01-31 | 26.30 | 24.94 | 126300 |
| 2011-01-28 | 26.73 | 26.19 | 54500 |
| 2011-01-27 | 27.29 | 26.83 | 21900 |
| 2011-01-26 | 26.55 | 27.44 | 17100 |
| 2011-01-25 | 26.42 | 26.82 | 25900 |
| 2011-01-24 | 26.46 | 26.56 | 29800 |
| 2011-01-21 | 26.52 | 26.53 | 62200 |
| 2011-01-20 | 25.97 | 26.49 | 96100 |
| 2011-01-19 | 27.36 | 26.14 | 74800 |
| 2011-01-18 | 27.82 | 27.33 | 26900 |
| 2011-01-14 | 27.76 | 27.98 | 16300 |
| 2011-01-13 | 27.34 | 27.86 | 22300 |
| 2011-01-12 | 28.03 | 27.45 | 33800 |
| 2011-01-11 | 27.82 | 27.97 | 25400 |
| 2011-01-10 | 28.04 | 27.81 | 34200 |
| 2011-01-07 | 27.40 | 28.07 | 89500 |
| 2011-01-06 | 27.70 | 27.56 | 30600 |
| 2011-01-05 | 27.57 | 27.76 | 69200 |
| 2011-01-04 | 27.83 | 27.61 | 130100 |
| 2011-01-03 | 27.35 | 27.83 | 83600 |
| 2010-12-31 | 27.17 | 27.08 | 32400 |
| 2010-12-30 | 26.50 | 26.93 | 27700 |
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