| 2011-02-14 | 29.89 | 29.83 | 48000 |
| 2011-02-11 | 29.36 | 29.95 | 48700 |
| 2011-02-10 | 29.27 | 29.55 | 54600 |
| 2011-02-09 | 29.16 | 29.55 | 114000 |
| 2011-02-08 | 29.18 | 29.22 | 68700 |
| 2011-02-07 | 28.89 | 29.25 | 61400 |
| 2011-02-04 | 28.54 | 28.87 | 55100 |
| 2011-02-03 | 28.58 | 28.62 | 84800 |
| 2011-02-02 | 28.69 | 28.75 | 78700 |
| 2011-02-01 | 28.54 | 29.00 | 94400 |
| 2011-01-31 | 28.45 | 28.31 | 111300 |
| 2011-01-28 | 28.76 | 28.37 | 142700 |
| 2011-01-27 | 28.95 | 28.86 | 175600 |
| 2011-01-26 | 28.57 | 28.95 | 92400 |
| 2011-01-25 | 28.20 | 28.41 | 102200 |
| 2011-01-24 | 28.03 | 28.31 | 111400 |
| 2011-01-21 | 27.91 | 27.96 | 179400 |
| 2011-01-20 | 27.58 | 27.67 | 183600 |
| 2011-01-19 | 27.63 | 27.70 | 237500 |
| 2011-01-18 | 26.37 | 27.76 | 311600 |
| 2011-01-14 | 26.02 | 26.52 | 161100 |
| 2011-01-13 | 26.23 | 25.98 | 130100 |
| 2011-01-12 | 25.87 | 26.29 | 168700 |
| 2011-01-11 | 25.75 | 25.56 | 63800 |
| 2011-01-10 | 25.04 | 25.64 | 88200 |
| 2011-01-07 | 25.60 | 25.18 | 98000 |
| 2011-01-06 | 25.83 | 25.42 | 49500 |
| 2011-01-05 | 24.93 | 25.71 | 77600 |
| 2011-01-04 | 26.07 | 25.04 | 168500 |
| 2011-01-03 | 26.43 | 26.05 | 151300 |
| 2010-12-31 | 26.46 | 26.10 | 118300 |
| 2010-12-30 | 26.47 | 26.47 | 39800 |
|
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