| 2011-01-28 | 4.36 | 4.73 | 7900 |
| 2011-01-27 | 4.75 | 4.75 | 000 |
| 2011-01-26 | 4.72 | 4.75 | 4900 |
| 2011-01-25 | 4.74 | 4.74 | 200 |
| 2011-01-24 | 4.65 | 4.61 | 600 |
| 2011-01-21 | 4.74 | 4.71 | 3800 |
| 2011-01-20 | 4.75 | 4.75 | 1000 |
| 2011-01-19 | 4.41 | 4.75 | 3300 |
| 2011-01-18 | 4.40 | 4.40 | 3700 |
| 2011-01-14 | 4.57 | 4.50 | 4100 |
| 2011-01-13 | 4.74 | 4.75 | 5800 |
| 2011-01-12 | 4.71 | 4.67 | 600 |
| 2011-01-11 | 4.89 | 4.89 | 000 |
| 2011-01-10 | 4.89 | 4.89 | 100 |
| 2011-01-07 | 4.75 | 4.90 | 200 |
| 2011-01-06 | 4.36 | 4.66 | 1900 |
| 2011-01-05 | 4.30 | 4.30 | 1000 |
| 2011-01-04 | 3.95 | 4.27 | 1300 |
| 2011-01-03 | 3.98 | 3.93 | 8200 |
| 2010-12-31 | 3.91 | 3.95 | 31000 |
| 2010-12-30 | 3.80 | 3.90 | 5900 |
| 2010-12-29 | 3.84 | 3.81 | 1500 |
| 2010-12-28 | 3.80 | 3.98 | 2000 |
| 2010-12-27 | 3.81 | 3.81 | 2000 |
| 2010-12-23 | 3.93 | 3.83 | 8200 |
| 2010-12-22 | 3.81 | 3.77 | 3000 |
| 2010-12-21 | 3.80 | 3.82 | 16400 |
| 2010-12-20 | 3.91 | 3.91 | 000 |
| 2010-12-17 | 3.80 | 3.91 | 4800 |
| 2010-12-16 | 3.99 | 3.81 | 8500 |
| 2010-12-15 | 3.90 | 3.90 | 1900 |
| 2010-12-14 | 3.93 | 3.90 | 4600 |