| 2011-02-14 | 2.07 | 2.02 | 442700 |
| 2011-02-11 | 2.03 | 2.06 | 259100 |
| 2011-02-10 | 2.02 | 2.04 | 584000 |
| 2011-02-09 | 2.04 | 2.04 | 424400 |
| 2011-02-08 | 2.07 | 2.06 | 533900 |
| 2011-02-07 | 2.14 | 2.09 | 645800 |
| 2011-02-04 | 2.00 | 2.20 | 1624300 |
| 2011-02-03 | 2.25 | 2.27 | 593300 |
| 2011-02-02 | 2.26 | 2.24 | 349600 |
| 2011-02-01 | 2.28 | 2.22 | 536300 |
| 2011-01-31 | 2.15 | 2.22 | 818900 |
| 2011-01-28 | 2.26 | 2.15 | 1285300 |
| 2011-01-27 | 2.39 | 2.27 | 662700 |
| 2011-01-26 | 2.47 | 2.37 | 985700 |
| 2011-01-25 | 2.17 | 2.46 | 1390900 |
| 2011-01-24 | 2.36 | 2.19 | 1121100 |
| 2011-01-21 | 2.38 | 2.36 | 1387000 |
| 2011-01-20 | 2.27 | 2.38 | 1159000 |
| 2011-01-19 | 2.53 | 2.28 | 1887700 |
| 2011-01-18 | 2.78 | 2.52 | 2257100 |
| 2011-01-14 | 2.55 | 2.75 | 6606700 |
| 2011-01-13 | 1.96 | 2.50 | 10799600 |
| 2011-01-12 | 1.93 | 1.96 | 1140900 |
| 2011-01-11 | 1.89 | 1.92 | 280300 |
| 2011-01-10 | 1.89 | 1.88 | 225700 |
| 2011-01-07 | 1.90 | 1.90 | 166800 |
| 2011-01-06 | 1.88 | 1.88 | 242700 |
| 2011-01-05 | 1.85 | 1.87 | 214600 |
| 2011-01-04 | 1.94 | 1.88 | 319200 |
| 2011-01-03 | 1.83 | 1.92 | 451800 |
| 2010-12-31 | 1.93 | 1.83 | 498500 |
| 2010-12-30 | 1.91 | 1.92 | 296900 |
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