| 2011-02-14 | 2.23 | 2.28 | 137500 |
| 2011-02-11 | 2.18 | 2.21 | 66400 |
| 2011-02-10 | 2.18 | 2.19 | 29100 |
| 2011-02-09 | 2.21 | 2.20 | 28500 |
| 2011-02-08 | 2.16 | 2.20 | 95800 |
| 2011-02-07 | 2.10 | 2.16 | 165100 |
| 2011-02-04 | 2.08 | 2.08 | 49100 |
| 2011-02-03 | 2.11 | 2.08 | 19700 |
| 2011-02-02 | 2.10 | 2.12 | 44500 |
| 2011-02-01 | 2.13 | 2.13 | 52600 |
| 2011-01-31 | 2.09 | 2.13 | 76400 |
| 2011-01-28 | 2.13 | 2.10 | 68300 |
| 2011-01-27 | 2.18 | 2.06 | 101500 |
| 2011-01-26 | 2.15 | 2.12 | 92700 |
| 2011-01-25 | 2.14 | 2.15 | 106400 |
| 2011-01-24 | 2.10 | 2.14 | 124000 |
| 2011-01-21 | 2.08 | 2.10 | 101000 |
| 2011-01-20 | 2.06 | 2.08 | 88900 |
| 2011-01-19 | 2.05 | 2.06 | 94000 |
| 2011-01-18 | 2.01 | 2.06 | 46200 |
| 2011-01-14 | 2.04 | 2.01 | 61300 |
| 2011-01-13 | 2.03 | 2.02 | 58000 |
| 2011-01-12 | 2.01 | 2.01 | 67800 |
| 2011-01-11 | 2.04 | 2.00 | 163300 |
| 2011-01-10 | 2.02 | 2.01 | 40000 |
| 2011-01-07 | 1.99 | 2.01 | 33900 |
| 2011-01-06 | 2.00 | 2.00 | 60800 |
| 2011-01-05 | 2.00 | 2.03 | 89400 |
| 2011-01-04 | 2.03 | 2.00 | 58300 |
| 2011-01-03 | 2.00 | 2.04 | 71700 |
| 2010-12-31 | 1.99 | 1.98 | 43200 |
| 2010-12-30 | 1.97 | 1.99 | 61200 |
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