| 2011-02-14 | 13.96 | 13.97 | 278000 |
| 2011-02-11 | 14.66 | 14.00 | 379100 |
| 2011-02-10 | 14.69 | 14.66 | 279200 |
| 2011-02-09 | 14.77 | 14.79 | 260900 |
| 2011-02-08 | 13.95 | 14.88 | 493300 |
| 2011-02-07 | 13.36 | 13.77 | 219600 |
| 2011-02-04 | 13.60 | 13.40 | 245100 |
| 2011-02-03 | 13.04 | 13.56 | 231800 |
| 2011-02-02 | 12.70 | 13.02 | 121200 |
| 2011-02-01 | 12.53 | 12.77 | 155700 |
| 2011-01-31 | 12.43 | 12.50 | 104200 |
| 2011-01-28 | 12.42 | 12.45 | 123800 |
| 2011-01-27 | 12.13 | 12.50 | 228800 |
| 2011-01-26 | 12.01 | 12.19 | 146500 |
| 2011-01-25 | 12.15 | 12.01 | 351600 |
| 2011-01-24 | 12.34 | 12.25 | 149800 |
| 2011-01-21 | 12.48 | 12.39 | 148900 |
| 2011-01-20 | 12.64 | 12.43 | 213000 |
| 2011-01-19 | 12.87 | 12.71 | 217800 |
| 2011-01-18 | 13.00 | 12.93 | 139200 |
| 2011-01-14 | 13.12 | 12.97 | 82800 |
| 2011-01-13 | 13.05 | 13.09 | 108500 |
| 2011-01-12 | 13.41 | 13.13 | 126800 |
| 2011-01-11 | 13.48 | 13.34 | 162600 |
| 2011-01-10 | 13.50 | 13.47 | 140400 |
| 2011-01-07 | 13.58 | 13.51 | 140800 |
| 2011-01-06 | 13.40 | 13.60 | 227800 |
| 2011-01-05 | 13.08 | 13.30 | 262200 |
| 2011-01-04 | 13.00 | 13.05 | 274600 |
| 2011-01-03 | 12.74 | 12.94 | 155400 |
| 2010-12-31 | 12.63 | 12.66 | 48500 |
| 2010-12-30 | 12.64 | 12.65 | 29200 |