| 2011-02-14 | 5.62 | 5.66 | 47500 |
| 2011-02-11 | 5.63 | 5.63 | 17800 |
| 2011-02-10 | 5.24 | 5.58 | 62100 |
| 2011-02-09 | 5.12 | 5.20 | 16200 |
| 2011-02-08 | 5.29 | 5.11 | 17600 |
| 2011-02-07 | 5.24 | 5.24 | 16200 |
| 2011-02-04 | 5.21 | 5.20 | 7200 |
| 2011-02-03 | 5.27 | 5.23 | 12200 |
| 2011-02-02 | 5.16 | 5.24 | 31900 |
| 2011-02-01 | 5.17 | 5.16 | 25200 |
| 2011-01-31 | 5.07 | 5.10 | 37900 |
| 2011-01-28 | 4.98 | 5.02 | 26300 |
| 2011-01-27 | 5.00 | 4.96 | 12800 |
| 2011-01-26 | 5.03 | 4.98 | 6700 |
| 2011-01-25 | 4.98 | 4.99 | 28100 |
| 2011-01-24 | 4.99 | 4.98 | 23400 |
| 2011-01-21 | 4.95 | 4.93 | 14600 |
| 2011-01-20 | 4.95 | 4.93 | 6500 |
| 2011-01-19 | 4.90 | 4.91 | 9900 |
| 2011-01-18 | 5.08 | 5.01 | 21400 |
| 2011-01-14 | 4.88 | 4.94 | 15100 |
| 2011-01-13 | 4.88 | 4.88 | 4600 |
| 2011-01-12 | 4.85 | 4.89 | 6400 |
| 2011-01-11 | 4.89 | 4.83 | 13200 |
| 2011-01-10 | 4.98 | 4.89 | 12000 |
| 2011-01-07 | 4.91 | 4.85 | 17500 |
| 2011-01-06 | 4.94 | 4.90 | 15600 |
| 2011-01-05 | 5.05 | 4.99 | 19700 |
| 2011-01-04 | 4.90 | 5.11 | 61400 |
| 2011-01-03 | 4.90 | 4.83 | 70400 |
| 2010-12-31 | 4.84 | 4.85 | 56700 |
| 2010-12-30 | 4.84 | 4.87 | 5400 |
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