| 2011-02-14 | 14.61 | 15.16 | 212500 |
| 2011-02-11 | 14.50 | 14.66 | 99600 |
| 2011-02-10 | 14.20 | 14.55 | 164500 |
| 2011-02-09 | 14.49 | 14.29 | 313100 |
| 2011-02-08 | 14.52 | 14.58 | 135000 |
| 2011-02-07 | 14.49 | 14.61 | 117700 |
| 2011-02-04 | 14.48 | 14.50 | 167800 |
| 2011-02-03 | 14.20 | 14.47 | 306200 |
| 2011-02-02 | 13.93 | 14.25 | 224200 |
| 2011-02-01 | 13.58 | 14.02 | 148500 |
| 2011-01-31 | 13.62 | 13.51 | 146900 |
| 2011-01-28 | 13.73 | 13.55 | 341300 |
| 2011-01-27 | 13.73 | 13.79 | 268900 |
| 2011-01-26 | 13.65 | 13.81 | 193500 |
| 2011-01-25 | 13.50 | 13.66 | 98600 |
| 2011-01-24 | 13.17 | 13.56 | 96000 |
| 2011-01-21 | 13.46 | 13.51 | 108700 |
| 2011-01-20 | 13.51 | 13.43 | 187800 |
| 2011-01-19 | 14.35 | 13.61 | 225600 |
| 2011-01-18 | 14.03 | 14.33 | 203500 |
| 2011-01-14 | 14.19 | 14.07 | 202900 |
| 2011-01-13 | 14.06 | 14.17 | 241600 |
| 2011-01-12 | 13.25 | 14.11 | 475600 |
| 2011-01-11 | 13.21 | 13.12 | 208800 |
| 2011-01-10 | 13.23 | 13.13 | 421100 |
| 2011-01-07 | 12.83 | 13.30 | 1053300 |
| 2011-01-06 | 13.53 | 13.24 | 178900 |
| 2011-01-05 | 13.58 | 13.50 | 422100 |
| 2011-01-04 | 13.96 | 13.59 | 363100 |
| 2011-01-03 | 13.95 | 13.94 | 137600 |
| 2010-12-31 | 14.32 | 13.80 | 123500 |
| 2010-12-30 | 13.99 | 14.05 | 139000 |
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