| 2011-02-14 | 37.65 | 39.37 | 64200 |
| 2011-02-11 | 38.16 | 38.07 | 58700 |
| 2011-02-10 | 37.21 | 38.02 | 38800 |
| 2011-02-09 | 37.82 | 37.66 | 28900 |
| 2011-02-08 | 38.58 | 38.10 | 73700 |
| 2011-02-07 | 38.23 | 38.75 | 101900 |
| 2011-02-04 | 39.45 | 38.37 | 219200 |
| 2011-02-03 | 35.05 | 39.95 | 292900 |
| 2011-02-02 | 33.26 | 34.66 | 59600 |
| 2011-02-01 | 34.02 | 33.59 | 108100 |
| 2011-01-31 | 33.63 | 33.81 | 52100 |
| 2011-01-28 | 32.59 | 33.19 | 43600 |
| 2011-01-27 | 32.54 | 32.68 | 16100 |
| 2011-01-26 | 31.63 | 32.70 | 33900 |
| 2011-01-25 | 30.90 | 31.41 | 26400 |
| 2011-01-24 | 30.85 | 31.23 | 33500 |
| 2011-01-21 | 31.43 | 30.95 | 34500 |
| 2011-01-20 | 32.61 | 31.22 | 56900 |
| 2011-01-19 | 34.12 | 32.89 | 24200 |
| 2011-01-18 | 34.37 | 34.24 | 79500 |
| 2011-01-14 | 34.47 | 34.62 | 42300 |
| 2011-01-13 | 34.07 | 34.41 | 40800 |
| 2011-01-12 | 33.38 | 34.01 | 43600 |
| 2011-01-11 | 32.03 | 33.18 | 36800 |
| 2011-01-10 | 32.03 | 31.92 | 39800 |
| 2011-01-07 | 32.44 | 32.35 | 32000 |
| 2011-01-06 | 32.55 | 32.59 | 44700 |
| 2011-01-05 | 31.30 | 32.64 | 60100 |
| 2011-01-04 | 31.57 | 31.36 | 93100 |
| 2011-01-03 | 32.00 | 31.63 | 39000 |
| 2010-12-31 | 31.68 | 31.90 | 19300 |
| 2010-12-30 | 31.27 | 31.70 | 39000 |
|
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