| 2011-02-14 | 43.93 | 43.60 | 106400 |
| 2011-02-11 | 43.00 | 43.54 | 123300 |
| 2011-02-10 | 43.00 | 43.15 | 88000 |
| 2011-02-09 | 43.11 | 43.17 | 79400 |
| 2011-02-08 | 43.20 | 42.87 | 135800 |
| 2011-02-07 | 42.96 | 43.15 | 144700 |
| 2011-02-04 | 43.65 | 42.98 | 143800 |
| 2011-02-03 | 43.37 | 43.55 | 241300 |
| 2011-02-02 | 44.75 | 44.13 | 320400 |
| 2011-02-01 | 44.00 | 44.33 | 357600 |
| 2011-01-31 | 42.23 | 43.46 | 258600 |
| 2011-01-28 | 42.73 | 42.21 | 222500 |
| 2011-01-27 | 42.57 | 42.89 | 147200 |
| 2011-01-26 | 42.09 | 42.48 | 147100 |
| 2011-01-25 | 42.32 | 41.86 | 183400 |
| 2011-01-24 | 41.33 | 42.20 | 279600 |
| 2011-01-21 | 40.45 | 41.17 | 177600 |
| 2011-01-20 | 41.90 | 40.45 | 417600 |
| 2011-01-19 | 43.62 | 41.99 | 244700 |
| 2011-01-18 | 43.17 | 43.10 | 285000 |
| 2011-01-14 | 42.62 | 43.56 | 161900 |
| 2011-01-13 | 42.75 | 42.74 | 180300 |
| 2011-01-12 | 42.30 | 42.75 | 164600 |
| 2011-01-11 | 42.06 | 42.33 | 170900 |
| 2011-01-10 | 41.24 | 41.70 | 161400 |
| 2011-01-07 | 40.88 | 40.89 | 122500 |
| 2011-01-06 | 40.30 | 40.64 | 208900 |
| 2011-01-05 | 39.68 | 39.82 | 145100 |
| 2011-01-04 | 40.28 | 39.58 | 123500 |
| 2011-01-03 | 39.50 | 39.66 | 158500 |
| 2010-12-31 | 39.50 | 39.25 | 71800 |
| 2010-12-30 | 39.59 | 39.51 | 100800 |
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