| 2011-02-14 | 2.46 | 2.47 | 198600 |
| 2011-02-11 | 2.45 | 2.46 | 191300 |
| 2011-02-10 | 2.45 | 2.46 | 136100 |
| 2011-02-09 | 2.45 | 2.47 | 418600 |
| 2011-02-08 | 2.44 | 2.45 | 673800 |
| 2011-02-07 | 2.45 | 2.44 | 1187400 |
| 2011-02-04 | 2.44 | 2.43 | 12014300 |
| 2011-02-03 | 1.45 | 1.43 | 4900 |
| 2011-02-02 | 1.50 | 1.45 | 53700 |
| 2011-02-01 | 1.41 | 1.47 | 39600 |
| 2011-01-31 | 1.31 | 1.40 | 37800 |
| 2011-01-28 | 1.36 | 1.35 | 33200 |
| 2011-01-27 | 1.33 | 1.36 | 12500 |
| 2011-01-26 | 1.22 | 1.29 | 17300 |
| 2011-01-25 | 1.23 | 1.23 | 81100 |
| 2011-01-24 | 1.39 | 1.25 | 74000 |
| 2011-01-21 | 1.39 | 1.40 | 19900 |
| 2011-01-20 | 1.38 | 1.41 | 31500 |
| 2011-01-19 | 1.44 | 1.38 | 23200 |
| 2011-01-18 | 1.41 | 1.44 | 57500 |
| 2011-01-14 | 1.49 | 1.41 | 39200 |
| 2011-01-13 | 1.40 | 1.49 | 100600 |
| 2011-01-12 | 1.54 | 1.45 | 115000 |
| 2011-01-11 | 1.52 | 1.53 | 69800 |
| 2011-01-10 | 1.46 | 1.50 | 101200 |
| 2011-01-07 | 1.39 | 1.44 | 65600 |
| 2011-01-06 | 1.30 | 1.39 | 48800 |
| 2011-01-05 | 1.17 | 1.30 | 20500 |
| 2011-01-04 | 1.12 | 1.19 | 61700 |
| 2011-01-03 | 1.13 | 1.12 | 56200 |
| 2010-12-31 | 1.10 | 1.12 | 84800 |
| 2010-12-30 | 1.04 | 1.05 | 18200 |
|
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