| 2011-02-14 | 1.84 | 1.95 | 1748100 |
| 2011-02-11 | 1.75 | 1.83 | 510300 |
| 2011-02-10 | 1.80 | 1.76 | 406300 |
| 2011-02-09 | 1.89 | 1.82 | 908100 |
| 2011-02-08 | 1.77 | 1.88 | 1007100 |
| 2011-02-07 | 1.77 | 1.78 | 855000 |
| 2011-02-04 | 1.76 | 1.77 | 724400 |
| 2011-02-03 | 1.79 | 1.75 | 605600 |
| 2011-02-02 | 1.78 | 1.80 | 924200 |
| 2011-02-01 | 1.70 | 1.79 | 1517200 |
| 2011-01-31 | 1.71 | 1.69 | 1276500 |
| 2011-01-28 | 1.82 | 1.72 | 1186700 |
| 2011-01-27 | 1.89 | 1.82 | 687100 |
| 2011-01-26 | 1.74 | 1.89 | 826700 |
| 2011-01-25 | 1.82 | 1.73 | 1184100 |
| 2011-01-24 | 1.91 | 1.82 | 1595700 |
| 2011-01-21 | 1.89 | 1.90 | 1012900 |
| 2011-01-20 | 1.95 | 1.86 | 1002200 |
| 2011-01-19 | 2.00 | 1.95 | 1519100 |
| 2011-01-18 | 2.10 | 2.01 | 1609400 |
| 2011-01-14 | 2.10 | 2.12 | 1587400 |
| 2011-01-13 | 2.08 | 2.09 | 1163900 |
| 2011-01-12 | 2.02 | 2.09 | 1243800 |
| 2011-01-11 | 2.11 | 1.99 | 2719300 |
| 2011-01-10 | 2.13 | 2.08 | 7246200 |
| 2011-01-07 | 2.10 | 2.00 | 5073700 |
| 2011-01-06 | 1.79 | 2.20 | 20613200 |
| 2011-01-05 | 1.47 | 1.51 | 360800 |
| 2011-01-04 | 1.50 | 1.47 | 441200 |
| 2011-01-03 | 1.45 | 1.50 | 817300 |
| 2010-12-31 | 1.49 | 1.44 | 381200 |
| 2010-12-30 | 1.55 | 1.49 | 577400 |
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