| 2011-02-14 | 15.45 | 15.68 | 310300 |
| 2011-02-11 | 15.12 | 15.51 | 738900 |
| 2011-02-10 | 14.95 | 15.15 | 576500 |
| 2011-02-09 | 15.20 | 15.00 | 474300 |
| 2011-02-08 | 15.51 | 15.29 | 681700 |
| 2011-02-07 | 15.13 | 15.53 | 357900 |
| 2011-02-04 | 15.20 | 15.13 | 310300 |
| 2011-02-03 | 15.23 | 15.23 | 360400 |
| 2011-02-02 | 15.01 | 15.32 | 547500 |
| 2011-02-01 | 14.81 | 15.06 | 620800 |
| 2011-01-31 | 14.74 | 14.86 | 977700 |
| 2011-01-28 | 14.82 | 14.53 | 626800 |
| 2011-01-27 | 13.95 | 14.79 | 772500 |
| 2011-01-26 | 14.32 | 14.11 | 1570600 |
| 2011-01-25 | 14.37 | 14.24 | 500900 |
| 2011-01-24 | 14.35 | 14.41 | 320800 |
| 2011-01-21 | 14.49 | 14.41 | 344500 |
| 2011-01-20 | 14.27 | 14.39 | 477700 |
| 2011-01-19 | 14.70 | 14.31 | 680900 |
| 2011-01-18 | 14.86 | 14.77 | 385500 |
| 2011-01-14 | 14.92 | 14.97 | 520400 |
| 2011-01-13 | 14.83 | 14.97 | 530800 |
| 2011-01-12 | 14.91 | 14.92 | 475400 |
| 2011-01-11 | 14.86 | 14.84 | 606000 |
| 2011-01-10 | 14.62 | 14.85 | 685100 |
| 2011-01-07 | 14.73 | 14.72 | 584100 |
| 2011-01-06 | 14.52 | 14.76 | 1182800 |
| 2011-01-05 | 14.71 | 14.55 | 1447900 |
| 2011-01-04 | 15.38 | 14.79 | 1426800 |
| 2011-01-03 | 15.66 | 15.43 | 1181700 |
| 2010-12-31 | 15.70 | 15.67 | 600300 |
| 2010-12-30 | 15.59 | 15.72 | 1222000 |
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