| 2011-04-07 | 16.63 | 16.56 | 45100 |
| 2011-04-06 | 16.39 | 16.65 | 15900 |
| 2011-04-05 | 16.24 | 16.40 | 15900 |
| 2011-04-04 | 16.17 | 16.29 | 11200 |
| 2011-04-01 | 16.28 | 16.16 | 12400 |
| 2011-03-31 | 16.07 | 16.13 | 10600 |
| 2011-03-30 | 16.33 | 16.16 | 17800 |
| 2011-03-29 | 15.71 | 16.32 | 26300 |
| 2011-03-28 | 15.50 | 15.75 | 21500 |
| 2011-03-25 | 15.46 | 15.43 | 22000 |
| 2011-03-24 | 15.24 | 15.36 | 12000 |
| 2011-03-23 | 15.05 | 15.22 | 16200 |
| 2011-03-22 | 15.14 | 15.13 | 25600 |
| 2011-03-21 | 14.68 | 15.18 | 18800 |
| 2011-03-18 | 14.43 | 14.57 | 66200 |
| 2011-03-17 | 14.56 | 14.33 | 23000 |
| 2011-03-16 | 14.30 | 14.39 | 27000 |
| 2011-03-15 | 14.27 | 14.39 | 19300 |
| 2011-03-14 | 14.81 | 14.51 | 16900 |
| 2011-03-11 | 14.58 | 14.93 | 35900 |
| 2011-03-10 | 14.01 | 14.80 | 99200 |
| 2011-03-09 | 15.80 | 15.79 | 13300 |
| 2011-03-08 | 15.55 | 15.87 | 39400 |
| 2011-03-07 | 15.69 | 15.55 | 22700 |
| 2011-03-04 | 15.70 | 15.66 | 26200 |
| 2011-03-03 | 15.66 | 15.67 | 36300 |
| 2011-03-02 | 15.54 | 15.67 | 16600 |
| 2011-03-01 | 15.90 | 15.60 | 36800 |
| 2011-02-28 | 15.80 | 15.96 | 37400 |
| 2011-02-25 | 15.43 | 15.76 | 31900 |
| 2011-02-24 | 15.18 | 15.41 | 42700 |
| 2011-02-23 | 15.11 | 15.18 | 22500 |
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