| 2011-02-14 | 19.50 | 19.22 | 45800 |
| 2011-02-11 | 19.26 | 19.55 | 39200 |
| 2011-02-10 | 18.86 | 19.31 | 125800 |
| 2011-02-09 | 18.20 | 19.05 | 195400 |
| 2011-02-08 | 17.90 | 18.20 | 53600 |
| 2011-02-07 | 17.38 | 17.93 | 145300 |
| 2011-02-04 | 17.09 | 17.28 | 57400 |
| 2011-02-03 | 17.24 | 17.08 | 58400 |
| 2011-02-02 | 16.96 | 17.12 | 52300 |
| 2011-02-01 | 16.78 | 17.04 | 93800 |
| 2011-01-31 | 16.74 | 16.63 | 111000 |
| 2011-01-28 | 17.30 | 16.63 | 109700 |
| 2011-01-27 | 17.31 | 17.34 | 59300 |
| 2011-01-26 | 16.87 | 17.34 | 139400 |
| 2011-01-25 | 16.25 | 16.86 | 61700 |
| 2011-01-24 | 16.73 | 16.29 | 68800 |
| 2011-01-21 | 16.36 | 16.79 | 79400 |
| 2011-01-20 | 16.44 | 16.22 | 38300 |
| 2011-01-19 | 17.20 | 16.56 | 76300 |
| 2011-01-18 | 17.03 | 17.25 | 83800 |
| 2011-01-14 | 17.00 | 17.09 | 38900 |
| 2011-01-13 | 17.14 | 17.01 | 55200 |
| 2011-01-12 | 17.32 | 17.14 | 45000 |
| 2011-01-11 | 17.35 | 17.13 | 57000 |
| 2011-01-10 | 16.95 | 17.27 | 45600 |
| 2011-01-07 | 16.96 | 17.12 | 79800 |
| 2011-01-06 | 16.80 | 16.90 | 77200 |
| 2011-01-05 | 16.57 | 16.82 | 48700 |
| 2011-01-04 | 16.96 | 16.65 | 82300 |
| 2011-01-03 | 17.07 | 16.93 | 82000 |
| 2010-12-31 | 16.91 | 16.93 | 74500 |
| 2010-12-30 | 17.01 | 16.96 | 53000 |
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