| 2011-02-14 | 0.48 | 0.53 | 409500 |
| 2011-02-11 | 0.43 | 0.50 | 1204600 |
| 2011-02-10 | 0.42 | 0.43 | 114400 |
| 2011-02-09 | 0.45 | 0.44 | 25700 |
| 2011-02-08 | 0.42 | 0.45 | 107800 |
| 2011-02-07 | 0.43 | 0.44 | 96800 |
| 2011-02-04 | 0.44 | 0.44 | 92300 |
| 2011-02-03 | 0.42 | 0.45 | 17000 |
| 2011-02-02 | 0.42 | 0.44 | 134200 |
| 2011-02-01 | 0.46 | 0.45 | 34900 |
| 2011-01-31 | 0.42 | 0.45 | 21600 |
| 2011-01-28 | 0.45 | 0.44 | 41300 |
| 2011-01-27 | 0.48 | 0.45 | 106500 |
| 2011-01-26 | 0.42 | 0.49 | 161300 |
| 2011-01-25 | 0.41 | 0.42 | 107100 |
| 2011-01-24 | 0.42 | 0.42 | 118300 |
| 2011-01-21 | 0.48 | 0.41 | 396500 |
| 2011-01-20 | 0.47 | 0.48 | 35400 |
| 2011-01-19 | 0.50 | 0.48 | 60200 |
| 2011-01-18 | 0.47 | 0.48 | 79400 |
| 2011-01-14 | 0.48 | 0.47 | 106000 |
| 2011-01-13 | 0.49 | 0.48 | 259000 |
| 2011-01-12 | 0.49 | 0.49 | 86600 |
| 2011-01-11 | 0.52 | 0.51 | 191800 |
| 2011-01-10 | 0.46 | 0.52 | 564900 |
| 2011-01-07 | 0.45 | 0.46 | 20300 |
| 2011-01-06 | 0.47 | 0.47 | 26700 |
| 2011-01-05 | 0.45 | 0.47 | 98100 |
| 2011-01-04 | 0.48 | 0.46 | 64300 |
| 2011-01-03 | 0.46 | 0.49 | 114500 |
| 2010-12-31 | 0.47 | 0.45 | 273300 |
| 2010-12-30 | 0.48 | 0.48 | 1102100 |
|
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