| 2011-02-14 | 3.51 | 3.62 | 273300 |
| 2011-02-11 | 3.50 | 3.43 | 342300 |
| 2011-02-10 | 3.55 | 3.51 | 145400 |
| 2011-02-09 | 3.61 | 3.58 | 151300 |
| 2011-02-08 | 3.59 | 3.62 | 196300 |
| 2011-02-07 | 3.68 | 3.61 | 253600 |
| 2011-02-04 | 3.68 | 3.66 | 178600 |
| 2011-02-03 | 3.71 | 3.68 | 125500 |
| 2011-02-02 | 3.80 | 3.72 | 81100 |
| 2011-02-01 | 3.67 | 3.73 | 147200 |
| 2011-01-31 | 3.67 | 3.67 | 199400 |
| 2011-01-28 | 3.84 | 3.76 | 124900 |
| 2011-01-27 | 3.82 | 3.82 | 118300 |
| 2011-01-26 | 3.73 | 3.80 | 159000 |
| 2011-01-25 | 3.74 | 3.73 | 117900 |
| 2011-01-24 | 3.69 | 3.76 | 138100 |
| 2011-01-21 | 3.67 | 3.67 | 127100 |
| 2011-01-20 | 3.71 | 3.65 | 228900 |
| 2011-01-19 | 3.82 | 3.70 | 210400 |
| 2011-01-18 | 3.90 | 3.84 | 182200 |
| 2011-01-14 | 3.94 | 3.86 | 137300 |
| 2011-01-13 | 3.99 | 3.92 | 147200 |
| 2011-01-12 | 3.77 | 3.89 | 435800 |
| 2011-01-11 | 3.87 | 3.77 | 247300 |
| 2011-01-10 | 3.71 | 3.83 | 206300 |
| 2011-01-07 | 3.82 | 3.72 | 353500 |
| 2011-01-06 | 3.88 | 3.85 | 204300 |
| 2011-01-05 | 3.95 | 3.88 | 166600 |
| 2011-01-04 | 4.03 | 3.97 | 236900 |
| 2011-01-03 | 3.89 | 3.94 | 267200 |
| 2010-12-31 | 3.86 | 3.89 | 285500 |
| 2010-12-30 | 3.85 | 3.88 | 146700 |
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