| 2011-02-14 | 25.12 | 25.23 | 57200 |
| 2011-02-11 | 24.90 | 25.16 | 65300 |
| 2011-02-10 | 24.86 | 24.96 | 40500 |
| 2011-02-09 | 25.02 | 24.98 | 60100 |
| 2011-02-08 | 25.06 | 25.08 | 30300 |
| 2011-02-07 | 24.94 | 24.95 | 154900 |
| 2011-02-04 | 24.85 | 24.80 | 93800 |
| 2011-02-03 | 24.59 | 24.76 | 111700 |
| 2011-02-02 | 24.69 | 24.62 | 48200 |
| 2011-02-01 | 24.51 | 24.69 | 74900 |
| 2011-01-31 | 24.20 | 24.31 | 28100 |
| 2011-01-28 | 24.70 | 24.18 | 86700 |
| 2011-01-27 | 24.53 | 24.60 | 145000 |
| 2011-01-26 | 24.42 | 24.50 | 30100 |
| 2011-01-25 | 24.34 | 24.42 | 49900 |
| 2011-01-24 | 24.25 | 24.35 | 74000 |
| 2011-01-21 | 24.38 | 24.28 | 95500 |
| 2011-01-20 | 24.05 | 24.15 | 15300 |
| 2011-01-19 | 24.44 | 24.17 | 28000 |
| 2011-01-18 | 24.41 | 24.44 | 48800 |
| 2011-01-14 | 24.19 | 24.36 | 15600 |
| 2011-01-13 | 24.23 | 24.22 | 8800 |
| 2011-01-12 | 24.21 | 24.25 | 17000 |
| 2011-01-11 | 24.03 | 24.04 | 20900 |
| 2011-01-10 | 23.97 | 23.95 | 40000 |
| 2011-01-07 | 24.01 | 23.98 | 22600 |
| 2011-01-06 | 23.96 | 24.01 | 41700 |
| 2011-01-05 | 23.77 | 24.05 | 24300 |
| 2011-01-04 | 23.98 | 23.90 | 71200 |
| 2011-01-03 | 23.84 | 23.94 | 55500 |
| 2010-12-31 | 23.56 | 23.64 | 13200 |
| 2010-12-30 | 23.61 | 23.66 | 17100 |
|
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