| 2011-04-07 | 59.64 | 59.67 | 6900 |
| 2011-04-06 | 60.28 | 60.07 | 4000 |
| 2011-04-05 | 59.50 | 59.73 | 9800 |
| 2011-04-04 | 59.94 | 59.72 | 12400 |
| 2011-04-01 | 59.25 | 59.69 | 33700 |
| 2011-03-31 | 59.00 | 59.07 | 13100 |
| 2011-03-30 | 58.80 | 58.91 | 61000 |
| 2011-03-29 | 58.41 | 58.61 | 16500 |
| 2011-03-28 | 58.00 | 58.08 | 22300 |
| 2011-03-25 | 57.43 | 57.18 | 82100 |
| 2011-03-24 | 57.15 | 57.27 | 17500 |
| 2011-03-23 | 57.43 | 57.47 | 9700 |
| 2011-03-22 | 57.52 | 57.39 | 8500 |
| 2011-03-21 | 57.16 | 57.19 | 14400 |
| 2011-03-18 | 56.36 | 56.12 | 15200 |
| 2011-03-17 | 55.55 | 55.67 | 14100 |
| 2011-03-16 | 55.04 | 54.27 | 20600 |
| 2011-03-15 | 54.13 | 55.31 | 31400 |
| 2011-03-14 | 55.34 | 55.58 | 15800 |
| 2011-03-11 | 55.35 | 55.82 | 13100 |
| 2011-03-10 | 55.98 | 55.62 | 14700 |
| 2011-03-09 | 55.76 | 55.73 | 13800 |
| 2011-03-08 | 55.82 | 56.28 | 12800 |
| 2011-03-07 | 55.86 | 55.73 | 20700 |
| 2011-03-04 | 56.40 | 56.00 | 26100 |
| 2011-03-03 | 56.12 | 56.54 | 9800 |
| 2011-03-02 | 55.14 | 55.74 | 49600 |
| 2011-03-01 | 55.84 | 55.12 | 25000 |
| 2011-02-28 | 56.53 | 56.72 | 18100 |
| 2011-02-25 | 55.98 | 56.45 | 167800 |
| 2011-02-24 | 55.78 | 55.60 | 26200 |
| 2011-02-23 | 56.43 | 56.85 | 114700 |
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