| 2011-02-14 | 31.70 | 31.48 | 2522900 |
| 2011-02-11 | 30.78 | 31.75 | 2678300 |
| 2011-02-10 | 30.73 | 31.05 | 2488300 |
| 2011-02-09 | 30.80 | 31.03 | 3382600 |
| 2011-02-08 | 31.09 | 30.99 | 3572600 |
| 2011-02-07 | 31.00 | 31.02 | 3160100 |
| 2011-02-04 | 30.01 | 30.90 | 3812000 |
| 2011-02-03 | 29.77 | 29.96 | 3881800 |
| 2011-02-02 | 30.13 | 29.66 | 3276100 |
| 2011-02-01 | 29.11 | 30.32 | 4261800 |
| 2011-01-31 | 28.94 | 28.84 | 3135400 |
| 2011-01-28 | 29.63 | 29.07 | 6311200 |
| 2011-01-27 | 29.40 | 30.04 | 3595700 |
| 2011-01-26 | 29.25 | 29.39 | 2397800 |
| 2011-01-25 | 28.91 | 29.16 | 2184100 |
| 2011-01-24 | 28.96 | 29.00 | 2549800 |
| 2011-01-21 | 29.08 | 29.01 | 2513900 |
| 2011-01-20 | 28.67 | 28.84 | 4146200 |
| 2011-01-19 | 29.11 | 28.69 | 2874500 |
| 2011-01-18 | 29.16 | 29.36 | 2489400 |
| 2011-01-14 | 29.08 | 29.27 | 3080300 |
| 2011-01-13 | 29.58 | 29.01 | 3709900 |
| 2011-01-12 | 29.37 | 29.54 | 5466400 |
| 2011-01-11 | 29.35 | 29.25 | 3755400 |
| 2011-01-10 | 29.01 | 29.19 | 3210200 |
| 2011-01-07 | 29.34 | 29.25 | 3587200 |
| 2011-01-06 | 29.62 | 29.22 | 2841900 |
| 2011-01-05 | 29.21 | 29.71 | 3915800 |
| 2011-01-04 | 29.28 | 29.57 | 4830500 |
| 2011-01-03 | 28.17 | 29.28 | 5645500 |
| 2010-12-31 | 27.42 | 27.81 | 1692400 |
| 2010-12-30 | 27.70 | 27.50 | 1535000 |
|
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