| 2011-02-14 | 18.84 | 18.56 | 668800 |
| 2011-02-11 | 17.83 | 18.70 | 1721900 |
| 2011-02-10 | 17.67 | 18.13 | 1006200 |
| 2011-02-09 | 17.80 | 17.73 | 730000 |
| 2011-02-08 | 17.92 | 17.55 | 621800 |
| 2011-02-07 | 17.21 | 17.89 | 911300 |
| 2011-02-04 | 17.26 | 17.21 | 735100 |
| 2011-02-03 | 16.61 | 17.20 | 1125700 |
| 2011-02-02 | 16.75 | 16.61 | 673300 |
| 2011-02-01 | 16.02 | 16.85 | 1091000 |
| 2011-01-31 | 15.96 | 15.90 | 553700 |
| 2011-01-28 | 16.31 | 15.90 | 985500 |
| 2011-01-27 | 16.52 | 16.35 | 467900 |
| 2011-01-26 | 16.39 | 16.52 | 709700 |
| 2011-01-25 | 16.15 | 16.33 | 920100 |
| 2011-01-24 | 16.36 | 16.19 | 515700 |
| 2011-01-21 | 16.93 | 16.20 | 764200 |
| 2011-01-20 | 17.00 | 16.69 | 567600 |
| 2011-01-19 | 17.79 | 17.18 | 808900 |
| 2011-01-18 | 18.02 | 17.91 | 1287900 |
| 2011-01-14 | 17.70 | 18.08 | 2300900 |
| 2011-01-13 | 16.00 | 17.74 | 3261800 |
| 2011-01-12 | 14.47 | 14.62 | 341300 |
| 2011-01-11 | 14.25 | 14.28 | 257800 |
| 2011-01-10 | 13.88 | 14.20 | 1229200 |
| 2011-01-07 | 14.51 | 14.03 | 772700 |
| 2011-01-06 | 14.40 | 14.42 | 362700 |
| 2011-01-05 | 14.44 | 14.33 | 666200 |
| 2011-01-04 | 15.25 | 14.48 | 696000 |
| 2011-01-03 | 15.00 | 15.19 | 388600 |
| 2010-12-31 | 14.85 | 14.92 | 209300 |
| 2010-12-30 | 15.04 | 14.86 | 185300 |
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