| 2011-04-07 | 26.88 | 26.90 | 14000 |
| 2011-04-06 | 26.80 | 26.90 | 34400 |
| 2011-04-05 | 26.69 | 26.77 | 800 |
| 2011-04-04 | 26.64 | 26.64 | 000 |
| 2011-04-01 | 26.68 | 26.64 | 2300 |
| 2011-03-31 | 26.48 | 26.51 | 2800 |
| 2011-03-30 | 26.48 | 26.46 | 3100 |
| 2011-03-29 | 26.56 | 26.52 | 700 |
| 2011-03-28 | 26.63 | 26.50 | 5700 |
| 2011-03-25 | 26.83 | 26.71 | 800 |
| 2011-03-24 | 26.70 | 26.82 | 2000 |
| 2011-03-23 | 26.71 | 26.70 | 500 |
| 2011-03-22 | 26.67 | 26.73 | 3200 |
| 2011-03-21 | 26.50 | 26.63 | 500 |
| 2011-03-18 | 26.56 | 26.56 | 1600 |
| 2011-03-17 | 26.60 | 26.41 | 1900 |
| 2011-03-16 | 26.46 | 26.53 | 1000 |
| 2011-03-15 | 26.53 | 26.74 | 1000 |
| 2011-03-14 | 26.65 | 26.55 | 1200 |
| 2011-03-11 | 26.60 | 26.64 | 1600 |
| 2011-03-10 | 26.51 | 26.51 | 000 |
| 2011-03-09 | 26.51 | 26.51 | 000 |
| 2011-03-08 | 26.55 | 26.51 | 400 |
| 2011-03-07 | 26.54 | 26.64 | 600 |
| 2011-03-04 | 26.50 | 26.66 | 1500 |
| 2011-03-03 | 26.69 | 26.69 | 200 |
| 2011-03-02 | 26.56 | 26.57 | 600 |
| 2011-03-01 | 26.41 | 26.42 | 400 |
| 2011-02-28 | 26.42 | 26.54 | 3200 |
| 2011-02-25 | 26.51 | 26.51 | 200 |
| 2011-02-24 | 26.48 | 26.40 | 1100 |
| 2011-02-23 | 26.40 | 26.39 | 2000 |
|
|