| 2011-02-14 | 3.48 | 3.39 | 62900 |
| 2011-02-11 | 3.36 | 3.38 | 93100 |
| 2011-02-10 | 3.41 | 3.36 | 38300 |
| 2011-02-09 | 3.52 | 3.45 | 82100 |
| 2011-02-08 | 3.55 | 3.51 | 74600 |
| 2011-02-07 | 3.58 | 3.55 | 168100 |
| 2011-02-04 | 3.44 | 3.45 | 124700 |
| 2011-02-03 | 3.36 | 3.39 | 101500 |
| 2011-02-02 | 3.31 | 3.32 | 35600 |
| 2011-02-01 | 3.34 | 3.30 | 68500 |
| 2011-01-31 | 3.31 | 3.29 | 47000 |
| 2011-01-28 | 3.33 | 3.28 | 47100 |
| 2011-01-27 | 3.31 | 3.33 | 43600 |
| 2011-01-26 | 3.33 | 3.31 | 77700 |
| 2011-01-25 | 3.35 | 3.32 | 83100 |
| 2011-01-24 | 3.41 | 3.39 | 118800 |
| 2011-01-21 | 3.32 | 3.41 | 85600 |
| 2011-01-20 | 3.46 | 3.34 | 164400 |
| 2011-01-19 | 3.70 | 3.41 | 265800 |
| 2011-01-18 | 3.87 | 3.74 | 694600 |
| 2011-01-14 | 3.71 | 3.82 | 497500 |
| 2011-01-13 | 3.60 | 3.70 | 110500 |
| 2011-01-12 | 3.57 | 3.60 | 86600 |
| 2011-01-11 | 3.54 | 3.54 | 80800 |
| 2011-01-10 | 3.66 | 3.55 | 83900 |
| 2011-01-07 | 3.65 | 3.59 | 130200 |
| 2011-01-06 | 3.67 | 3.65 | 163700 |
| 2011-01-05 | 3.73 | 3.65 | 99200 |
| 2011-01-04 | 3.67 | 3.70 | 219700 |
| 2011-01-03 | 3.65 | 3.55 | 334000 |
| 2010-12-31 | 3.62 | 3.55 | 332700 |
| 2010-12-30 | 3.25 | 3.70 | 1620600 |
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