| 2011-02-14 | 63.14 | 63.44 | 11900 |
| 2011-02-11 | 62.59 | 63.18 | 4500 |
| 2011-02-10 | 62.46 | 62.93 | 6000 |
| 2011-02-09 | 62.85 | 62.77 | 7000 |
| 2011-02-08 | 63.01 | 63.10 | 8000 |
| 2011-02-07 | 62.80 | 62.85 | 5900 |
| 2011-02-04 | 62.56 | 62.43 | 12100 |
| 2011-02-03 | 62.26 | 62.62 | 4600 |
| 2011-02-02 | 62.48 | 62.40 | 18200 |
| 2011-02-01 | 61.82 | 62.61 | 5900 |
| 2011-01-31 | 60.99 | 61.32 | 9800 |
| 2011-01-28 | 61.66 | 60.86 | 12100 |
| 2011-01-27 | 61.77 | 61.88 | 9400 |
| 2011-01-26 | 61.70 | 61.91 | 11900 |
| 2011-01-25 | 61.43 | 61.50 | 16000 |
| 2011-01-24 | 61.35 | 61.36 | 6200 |
| 2011-01-21 | 61.18 | 61.32 | 12300 |
| 2011-01-20 | 60.87 | 60.84 | 30600 |
| 2011-01-19 | 61.32 | 60.85 | 11300 |
| 2011-01-18 | 61.49 | 61.36 | 13800 |
| 2011-01-14 | 60.98 | 61.41 | 9600 |
| 2011-01-13 | 60.91 | 60.85 | 5300 |
| 2011-01-12 | 61.07 | 61.21 | 11900 |
| 2011-01-11 | 60.60 | 60.58 | 7500 |
| 2011-01-10 | 60.16 | 60.49 | 5600 |
| 2011-01-07 | 60.79 | 60.69 | 15100 |
| 2011-01-06 | 60.83 | 60.83 | 3800 |
| 2011-01-05 | 60.38 | 60.83 | 6800 |
| 2011-01-04 | 60.38 | 60.53 | 7600 |
| 2011-01-03 | 60.10 | 60.29 | 4000 |
| 2010-12-31 | 59.32 | 59.53 | 12800 |
| 2010-12-30 | 59.64 | 59.53 | 8300 |
|
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