| 2011-02-14 | 15.46 | 15.79 | 77000 |
| 2011-02-11 | 15.19 | 15.38 | 144800 |
| 2011-02-10 | 14.99 | 15.23 | 62200 |
| 2011-02-09 | 15.00 | 15.12 | 114400 |
| 2011-02-08 | 15.08 | 15.10 | 106200 |
| 2011-02-07 | 15.09 | 15.07 | 127000 |
| 2011-02-04 | 16.07 | 15.05 | 352800 |
| 2011-02-03 | 14.61 | 14.64 | 215100 |
| 2011-02-02 | 15.01 | 14.66 | 296000 |
| 2011-02-01 | 14.97 | 15.12 | 198800 |
| 2011-01-31 | 14.90 | 14.75 | 208000 |
| 2011-01-28 | 15.29 | 14.85 | 362100 |
| 2011-01-27 | 15.43 | 15.35 | 129400 |
| 2011-01-26 | 15.18 | 15.30 | 264700 |
| 2011-01-25 | 14.77 | 15.09 | 280700 |
| 2011-01-24 | 14.77 | 14.94 | 154500 |
| 2011-01-21 | 15.18 | 14.81 | 237100 |
| 2011-01-20 | 15.00 | 15.05 | 122300 |
| 2011-01-19 | 15.66 | 15.11 | 126800 |
| 2011-01-18 | 15.61 | 15.71 | 99000 |
| 2011-01-14 | 15.93 | 15.61 | 237200 |
| 2011-01-13 | 15.98 | 15.90 | 46500 |
| 2011-01-12 | 16.27 | 15.94 | 284600 |
| 2011-01-11 | 16.27 | 16.04 | 115500 |
| 2011-01-10 | 16.25 | 16.15 | 178800 |
| 2011-01-07 | 16.43 | 16.41 | 203100 |
| 2011-01-06 | 16.83 | 16.42 | 198800 |
| 2011-01-05 | 16.02 | 16.79 | 489800 |
| 2011-01-04 | 16.23 | 16.10 | 610300 |
| 2011-01-03 | 16.04 | 16.18 | 273600 |
| 2010-12-31 | 16.02 | 15.79 | 48400 |
| 2010-12-30 | 16.01 | 16.05 | 63500 |
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