| 2011-02-14 | 24.44 | 24.27 | 5400 |
| 2011-02-11 | 24.43 | 24.50 | 5700 |
| 2011-02-10 | 24.31 | 24.43 | 1200 |
| 2011-02-09 | 24.44 | 24.36 | 1200 |
| 2011-02-08 | 24.47 | 24.32 | 3000 |
| 2011-02-07 | 24.34 | 24.34 | 6500 |
| 2011-02-04 | 24.50 | 24.40 | 1100 |
| 2011-02-03 | 24.58 | 24.59 | 4900 |
| 2011-02-02 | 24.51 | 24.64 | 2400 |
| 2011-02-01 | 24.60 | 24.60 | 2100 |
| 2011-01-31 | 24.26 | 24.61 | 4200 |
| 2011-01-28 | 24.27 | 24.42 | 1000 |
| 2011-01-27 | 24.31 | 24.35 | 16500 |
| 2011-01-26 | 24.50 | 24.40 | 4700 |
| 2011-01-25 | 24.57 | 24.55 | 9600 |
| 2011-01-24 | 24.36 | 24.51 | 4300 |
| 2011-01-21 | 24.48 | 24.27 | 3800 |
| 2011-01-20 | 24.41 | 24.56 | 9100 |
| 2011-01-19 | 24.18 | 24.18 | 7600 |
| 2011-01-18 | 24.54 | 24.18 | 10400 |
| 2011-01-14 | 24.35 | 24.35 | 1800 |
| 2011-01-13 | 24.24 | 24.47 | 1600 |
| 2011-01-12 | 24.51 | 24.49 | 2600 |
| 2011-01-11 | 24.19 | 24.18 | 3000 |
| 2011-01-10 | 24.18 | 24.18 | 1700 |
| 2011-01-07 | 24.18 | 24.18 | 10400 |
| 2011-01-06 | 24.12 | 24.12 | 5200 |
| 2011-01-05 | 23.82 | 23.91 | 5100 |
| 2011-01-04 | 23.78 | 23.71 | 1600 |
| 2011-01-03 | 24.00 | 23.86 | 3300 |
| 2010-12-31 | 23.56 | 24.11 | 5500 |
| 2010-12-30 | 23.33 | 23.67 | 2100 |
|
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