| 2011-02-14 | 13.36 | 13.68 | 17400 |
| 2011-02-11 | 13.17 | 13.35 | 12500 |
| 2011-02-10 | 13.44 | 13.18 | 13200 |
| 2011-02-09 | 13.99 | 13.58 | 21000 |
| 2011-02-08 | 14.30 | 13.82 | 24800 |
| 2011-02-07 | 14.61 | 14.25 | 21700 |
| 2011-02-04 | 13.92 | 14.31 | 18600 |
| 2011-02-03 | 13.57 | 14.10 | 10100 |
| 2011-02-02 | 13.27 | 13.79 | 20200 |
| 2011-02-01 | 13.17 | 13.48 | 43100 |
| 2011-01-31 | 12.48 | 12.98 | 16000 |
| 2011-01-28 | 12.86 | 12.24 | 25600 |
| 2011-01-27 | 13.17 | 12.86 | 28200 |
| 2011-01-26 | 12.14 | 12.97 | 51200 |
| 2011-01-25 | 12.11 | 12.12 | 3800 |
| 2011-01-24 | 11.40 | 12.12 | 19500 |
| 2011-01-21 | 11.49 | 11.30 | 8200 |
| 2011-01-20 | 11.84 | 11.35 | 25900 |
| 2011-01-19 | 12.44 | 11.82 | 18500 |
| 2011-01-18 | 12.20 | 12.30 | 10700 |
| 2011-01-14 | 12.22 | 12.28 | 7600 |
| 2011-01-13 | 11.79 | 12.20 | 19700 |
| 2011-01-12 | 11.32 | 11.68 | 52500 |
| 2011-01-11 | 11.49 | 11.36 | 13100 |
| 2011-01-10 | 11.43 | 11.47 | 10200 |
| 2011-01-07 | 11.41 | 11.46 | 10400 |
| 2011-01-06 | 11.42 | 11.39 | 26200 |
| 2011-01-05 | 10.96 | 11.42 | 27000 |
| 2011-01-04 | 11.36 | 10.89 | 35600 |
| 2011-01-03 | 11.64 | 11.48 | 66200 |
| 2010-12-31 | 11.78 | 11.72 | 7600 |
| 2010-12-30 | 10.93 | 11.66 | 66300 |
|
|