| 2011-02-14 | 31.91 | 31.87 | 700 |
| 2011-02-11 | 31.87 | 31.87 | 100 |
| 2011-02-10 | 31.88 | 31.88 | 000 |
| 2011-02-09 | 31.88 | 31.88 | 000 |
| 2011-02-08 | 31.94 | 31.88 | 300 |
| 2011-02-07 | 32.82 | 32.82 | 100 |
| 2011-02-04 | 30.83 | 30.83 | 000 |
| 2011-02-03 | 30.83 | 30.83 | 000 |
| 2011-02-02 | 30.83 | 30.83 | 100 |
| 2011-02-01 | 31.60 | 31.48 | 300 |
| 2011-01-31 | 32.20 | 32.20 | 200 |
| 2011-01-28 | 32.37 | 32.37 | 100 |
| 2011-01-27 | 32.64 | 32.91 | 800 |
| 2011-01-26 | 32.99 | 32.27 | 400 |
| 2011-01-25 | 33.47 | 33.47 | 200 |
| 2011-01-24 | 33.01 | 32.92 | 400 |
| 2011-01-21 | 32.19 | 32.19 | 200 |
| 2011-01-20 | 32.13 | 32.13 | 200 |
| 2011-01-19 | 32.33 | 32.33 | 000 |
| 2011-01-18 | 32.33 | 32.33 | 100 |
| 2011-01-14 | 32.28 | 32.28 | 000 |
| 2011-01-13 | 32.28 | 32.28 | 000 |
| 2011-01-12 | 32.20 | 32.28 | 1000 |
| 2011-01-11 | 32.68 | 32.68 | 200 |
| 2011-01-10 | 33.43 | 32.83 | 900 |
| 2011-01-07 | 33.44 | 33.44 | 100 |
| 2011-01-06 | 32.97 | 32.97 | 100 |
| 2011-01-05 | 33.01 | 32.66 | 500 |
| 2011-01-04 | 32.11 | 32.11 | 000 |
| 2011-01-03 | 32.12 | 32.11 | 300 |
| 2010-12-31 | 32.87 | 32.50 | 700 |
| 2010-12-30 | 32.87 | 33.00 | 500 |
|
|