| 2011-02-14 | 50.68 | 50.56 | 126400 |
| 2011-02-11 | 49.94 | 50.53 | 122800 |
| 2011-02-10 | 49.95 | 50.10 | 292400 |
| 2011-02-09 | 49.45 | 50.31 | 443500 |
| 2011-02-08 | 48.93 | 49.48 | 411400 |
| 2011-02-07 | 48.78 | 49.07 | 171900 |
| 2011-02-04 | 48.16 | 48.78 | 144900 |
| 2011-02-03 | 48.48 | 48.20 | 250500 |
| 2011-02-02 | 48.31 | 48.45 | 112800 |
| 2011-02-01 | 47.86 | 48.38 | 239100 |
| 2011-01-31 | 46.71 | 47.56 | 247600 |
| 2011-01-28 | 47.84 | 46.69 | 179200 |
| 2011-01-27 | 47.72 | 47.83 | 89000 |
| 2011-01-26 | 47.71 | 47.68 | 103400 |
| 2011-01-25 | 47.37 | 47.62 | 213400 |
| 2011-01-24 | 46.76 | 47.37 | 116200 |
| 2011-01-21 | 47.02 | 46.67 | 123100 |
| 2011-01-20 | 46.61 | 46.78 | 137500 |
| 2011-01-19 | 47.11 | 46.81 | 196800 |
| 2011-01-18 | 46.39 | 47.15 | 226000 |
| 2011-01-14 | 46.41 | 46.55 | 208600 |
| 2011-01-13 | 46.48 | 46.43 | 148600 |
| 2011-01-12 | 45.99 | 46.48 | 334400 |
| 2011-01-11 | 45.39 | 45.69 | 245000 |
| 2011-01-10 | 44.60 | 45.18 | 310000 |
| 2011-01-07 | 45.37 | 44.75 | 284400 |
| 2011-01-06 | 45.15 | 45.22 | 171700 |
| 2011-01-05 | 44.75 | 45.01 | 213400 |
| 2011-01-04 | 45.31 | 44.85 | 133700 |
| 2011-01-03 | 44.61 | 45.17 | 160800 |
| 2010-12-31 | 44.58 | 44.35 | 146000 |
| 2010-12-30 | 44.79 | 44.66 | 118300 |
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