| 2011-02-14 | 15.36 | 15.44 | 1400 |
| 2011-02-11 | 15.25 | 15.36 | 2600 |
| 2011-02-10 | 15.30 | 15.32 | 2500 |
| 2011-02-09 | 15.51 | 15.38 | 5200 |
| 2011-02-08 | 15.30 | 15.41 | 9800 |
| 2011-02-07 | 15.32 | 15.25 | 5700 |
| 2011-02-04 | 14.71 | 14.85 | 3200 |
| 2011-02-03 | 14.90 | 14.66 | 300 |
| 2011-02-02 | 14.25 | 14.61 | 2500 |
| 2011-02-01 | 14.66 | 14.22 | 700 |
| 2011-01-31 | 14.74 | 14.74 | 000 |
| 2011-01-28 | 14.62 | 14.74 | 2800 |
| 2011-01-27 | 15.11 | 14.84 | 800 |
| 2011-01-26 | 14.40 | 14.70 | 4300 |
| 2011-01-25 | 14.95 | 14.86 | 4000 |
| 2011-01-24 | 14.50 | 15.44 | 3000 |
| 2011-01-21 | 14.71 | 14.66 | 2000 |
| 2011-01-20 | 14.55 | 14.45 | 3400 |
| 2011-01-19 | 15.15 | 14.99 | 2400 |
| 2011-01-18 | 15.14 | 15.11 | 4100 |
| 2011-01-14 | 15.50 | 15.02 | 2500 |
| 2011-01-13 | 15.92 | 15.40 | 400 |
| 2011-01-12 | 15.75 | 15.38 | 5000 |
| 2011-01-11 | 15.83 | 15.78 | 500 |
| 2011-01-10 | 15.47 | 15.83 | 6200 |
| 2011-01-07 | 15.24 | 15.45 | 4400 |
| 2011-01-06 | 15.24 | 15.38 | 3200 |
| 2011-01-05 | 14.62 | 15.06 | 8500 |
| 2011-01-04 | 14.63 | 15.00 | 13900 |
| 2011-01-03 | 14.43 | 14.60 | 6300 |
| 2010-12-31 | 14.25 | 14.26 | 600 |
| 2010-12-30 | 14.44 | 14.49 | 6200 |
|
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