| 2011-02-14 | 58.18 | 58.31 | 87800 |
| 2011-02-11 | 57.85 | 58.11 | 40400 |
| 2011-02-10 | 57.61 | 57.92 | 40400 |
| 2011-02-09 | 58.00 | 57.84 | 37700 |
| 2011-02-08 | 57.96 | 58.02 | 44800 |
| 2011-02-07 | 57.99 | 57.82 | 43700 |
| 2011-02-04 | 57.63 | 57.82 | 28300 |
| 2011-02-03 | 57.44 | 57.60 | 41000 |
| 2011-02-02 | 57.40 | 57.47 | 53200 |
| 2011-02-01 | 57.07 | 57.62 | 63100 |
| 2011-01-31 | 56.87 | 56.70 | 57200 |
| 2011-01-28 | 57.51 | 56.57 | 59600 |
| 2011-01-27 | 57.60 | 57.67 | 64400 |
| 2011-01-26 | 57.64 | 57.48 | 33900 |
| 2011-01-25 | 57.31 | 57.44 | 47300 |
| 2011-01-24 | 57.48 | 57.42 | 64100 |
| 2011-01-21 | 57.77 | 57.37 | 28000 |
| 2011-01-20 | 57.20 | 57.37 | 30300 |
| 2011-01-19 | 57.94 | 57.38 | 91100 |
| 2011-01-18 | 57.49 | 57.93 | 67600 |
| 2011-01-14 | 57.44 | 57.60 | 77400 |
| 2011-01-13 | 57.93 | 57.55 | 38800 |
| 2011-01-12 | 57.96 | 57.79 | 54200 |
| 2011-01-11 | 57.33 | 57.48 | 36200 |
| 2011-01-10 | 57.19 | 57.16 | 56400 |
| 2011-01-07 | 57.45 | 57.25 | 78800 |
| 2011-01-06 | 57.11 | 57.31 | 84900 |
| 2011-01-05 | 57.01 | 57.14 | 54700 |
| 2011-01-04 | 57.08 | 56.98 | 51300 |
| 2011-01-03 | 56.86 | 56.85 | 72700 |
| 2010-12-31 | 56.37 | 56.25 | 239500 |
| 2010-12-30 | 56.63 | 56.42 | 43700 |
|
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