| 2011-04-07 | 39.97 | 39.48 | 99200 |
| 2011-04-06 | 39.80 | 39.89 | 77600 |
| 2011-04-05 | 39.75 | 39.70 | 157000 |
| 2011-04-04 | 39.25 | 39.57 | 141400 |
| 2011-04-01 | 39.19 | 39.26 | 165800 |
| 2011-03-31 | 38.61 | 38.97 | 124100 |
| 2011-03-30 | 38.22 | 38.71 | 56200 |
| 2011-03-29 | 37.94 | 38.19 | 57100 |
| 2011-03-28 | 37.96 | 37.88 | 64000 |
| 2011-03-25 | 37.79 | 37.94 | 80400 |
| 2011-03-24 | 37.65 | 37.63 | 44600 |
| 2011-03-23 | 37.62 | 37.57 | 61600 |
| 2011-03-22 | 37.73 | 37.62 | 47600 |
| 2011-03-21 | 36.94 | 37.64 | 105100 |
| 2011-03-18 | 36.52 | 36.79 | 300000 |
| 2011-03-17 | 36.81 | 36.47 | 101700 |
| 2011-03-16 | 36.95 | 36.56 | 192600 |
| 2011-03-15 | 36.98 | 37.02 | 125700 |
| 2011-03-14 | 37.84 | 37.54 | 106600 |
| 2011-03-11 | 38.03 | 37.98 | 116700 |
| 2011-03-10 | 38.39 | 38.10 | 163200 |
| 2011-03-09 | 38.75 | 38.78 | 127200 |
| 2011-03-08 | 38.50 | 38.78 | 131400 |
| 2011-03-07 | 38.99 | 38.49 | 127000 |
| 2011-03-04 | 38.92 | 38.88 | 156900 |
| 2011-03-03 | 38.58 | 38.83 | 144900 |
| 2011-03-02 | 37.91 | 38.31 | 135800 |
| 2011-03-01 | 37.91 | 37.81 | 193800 |
| 2011-02-28 | 37.72 | 37.80 | 173300 |
| 2011-02-25 | 37.19 | 37.56 | 127700 |
| 2011-02-24 | 37.32 | 37.13 | 157900 |
| 2011-02-23 | 37.61 | 37.25 | 111200 |
|
|