| 2011-03-28 | 25.89 | 25.76 | 27600 |
| 2011-03-25 | 25.81 | 25.83 | 43300 |
| 2011-03-24 | 25.57 | 25.81 | 60500 |
| 2011-03-23 | 25.70 | 25.64 | 30000 |
| 2011-03-22 | 25.55 | 25.67 | 56000 |
| 2011-03-21 | 25.52 | 25.61 | 37300 |
| 2011-03-18 | 25.38 | 25.54 | 32400 |
| 2011-03-17 | 25.37 | 25.45 | 25200 |
| 2011-03-16 | 25.46 | 25.34 | 27300 |
| 2011-03-15 | 25.49 | 25.41 | 36800 |
| 2011-03-14 | 25.47 | 25.54 | 22700 |
| 2011-03-11 | 25.43 | 25.51 | 24600 |
| 2011-03-10 | 25.65 | 25.47 | 30400 |
| 2011-03-09 | 25.58 | 25.72 | 27300 |
| 2011-03-08 | 25.43 | 25.60 | 36000 |
| 2011-03-07 | 25.52 | 25.46 | 43400 |
| 2011-03-04 | 25.54 | 25.58 | 33400 |
| 2011-03-03 | 25.56 | 25.60 | 34000 |
| 2011-03-02 | 25.42 | 25.66 | 46000 |
| 2011-03-01 | 25.70 | 25.31 | 29700 |
| 2011-02-28 | 25.20 | 25.65 | 52800 |
| 2011-02-25 | 25.35 | 25.24 | 35900 |
| 2011-02-24 | 26.00 | 25.74 | 23500 |
| 2011-02-23 | 26.01 | 26.01 | 43700 |
| 2011-02-22 | 26.05 | 26.04 | 29500 |
| 2011-02-18 | 26.05 | 26.00 | 40200 |
| 2011-02-17 | 25.78 | 25.90 | 48300 |
| 2011-02-16 | 25.63 | 25.74 | 16400 |
| 2011-02-15 | 25.66 | 25.65 | 27300 |
| 2011-02-14 | 25.70 | 25.77 | 40900 |
| 2011-02-11 | 25.73 | 25.76 | 45700 |
| 2011-02-10 | 25.38 | 25.70 | 55900 |
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