| 2011-02-14 | 22.45 | 22.59 | 1140200 |
| 2011-02-11 | 22.68 | 22.42 | 926500 |
| 2011-02-10 | 22.72 | 22.72 | 848900 |
| 2011-02-09 | 23.43 | 22.86 | 1079800 |
| 2011-02-08 | 23.43 | 23.45 | 776300 |
| 2011-02-07 | 22.92 | 23.41 | 1715800 |
| 2011-02-04 | 22.14 | 22.81 | 1307600 |
| 2011-02-03 | 21.38 | 22.13 | 1616500 |
| 2011-02-02 | 20.99 | 21.34 | 1134200 |
| 2011-02-01 | 20.63 | 21.00 | 918400 |
| 2011-01-31 | 21.09 | 20.57 | 700100 |
| 2011-01-28 | 21.55 | 21.00 | 1124900 |
| 2011-01-27 | 21.11 | 21.42 | 942200 |
| 2011-01-26 | 21.15 | 21.03 | 1265700 |
| 2011-01-25 | 21.00 | 21.15 | 769900 |
| 2011-01-24 | 21.44 | 21.16 | 1051400 |
| 2011-01-21 | 21.45 | 21.29 | 840500 |
| 2011-01-20 | 21.16 | 21.39 | 737700 |
| 2011-01-19 | 21.77 | 21.34 | 879500 |
| 2011-01-18 | 21.99 | 21.75 | 927300 |
| 2011-01-14 | 21.66 | 21.91 | 1241300 |
| 2011-01-13 | 20.89 | 21.73 | 2221500 |
| 2011-01-12 | 20.77 | 20.91 | 1079700 |
| 2011-01-11 | 20.83 | 20.59 | 816400 |
| 2011-01-10 | 20.13 | 20.67 | 1470400 |
| 2011-01-07 | 20.08 | 20.19 | 1410500 |
| 2011-01-06 | 19.98 | 20.04 | 1671700 |
| 2011-01-05 | 19.58 | 19.91 | 1848900 |
| 2011-01-04 | 20.69 | 19.56 | 2387400 |
| 2011-01-03 | 20.15 | 20.57 | 1167700 |
| 2010-12-31 | 20.01 | 20.00 | 1194900 |
| 2010-12-30 | 19.95 | 20.06 | 1107100 |
|
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