| 2011-02-14 | 25.01 | 25.01 | 000 |
| 2011-02-11 | 25.01 | 25.01 | 1100 |
| 2011-02-10 | 24.99 | 25.15 | 1800 |
| 2011-02-09 | 24.92 | 24.92 | 000 |
| 2011-02-08 | 24.88 | 24.92 | 1600 |
| 2011-02-07 | 24.78 | 24.78 | 000 |
| 2011-02-04 | 24.90 | 24.78 | 5500 |
| 2011-02-03 | 24.91 | 24.90 | 1900 |
| 2011-02-02 | 25.05 | 25.05 | 000 |
| 2011-02-01 | 25.05 | 25.05 | 300 |
| 2011-01-31 | 25.00 | 25.00 | 000 |
| 2011-01-28 | 25.00 | 25.00 | 1200 |
| 2011-01-27 | 25.00 | 25.00 | 000 |
| 2011-01-26 | 24.99 | 25.00 | 1000 |
| 2011-01-25 | 24.99 | 24.99 | 3500 |
| 2011-01-24 | 24.77 | 24.77 | 300 |
| 2011-01-21 | 24.95 | 24.80 | 2200 |
| 2011-01-20 | 24.89 | 24.89 | 300 |
| 2011-01-19 | 24.85 | 24.85 | 000 |
| 2011-01-18 | 24.85 | 24.85 | 500 |
| 2011-01-14 | 24.69 | 24.70 | 1400 |
| 2011-01-13 | 24.65 | 24.65 | 000 |
| 2011-01-12 | 24.90 | 24.65 | 300 |
| 2011-01-11 | 24.70 | 24.89 | 800 |
| 2011-01-10 | 24.80 | 24.82 | 1100 |
| 2011-01-07 | 24.77 | 24.93 | 1900 |
| 2011-01-06 | 24.90 | 24.88 | 1600 |
| 2011-01-05 | 24.87 | 25.10 | 1600 |
| 2011-01-04 | 24.86 | 24.86 | 400 |
| 2011-01-03 | 24.86 | 24.73 | 1000 |
| 2010-12-31 | 24.89 | 24.66 | 5200 |
| 2010-12-30 | 25.01 | 25.01 | 100 |
|
|