| 2011-04-07 | 1.97 | 1.98 | 29000 |
| 2011-04-06 | 2.01 | 1.98 | 28400 |
| 2011-04-05 | 1.97 | 2.00 | 64400 |
| 2011-04-04 | 2.02 | 1.98 | 45400 |
| 2011-04-01 | 1.99 | 2.00 | 58200 |
| 2011-03-31 | 2.06 | 2.00 | 102500 |
| 2011-03-30 | 2.05 | 2.05 | 77900 |
| 2011-03-29 | 2.09 | 2.03 | 255200 |
| 2011-03-28 | 2.04 | 2.11 | 224400 |
| 2011-03-25 | 2.00 | 2.05 | 552000 |
| 2011-03-24 | 1.93 | 1.99 | 55200 |
| 2011-03-23 | 2.00 | 1.93 | 97900 |
| 2011-03-22 | 1.99 | 1.96 | 53300 |
| 2011-03-21 | 1.94 | 1.98 | 153500 |
| 2011-03-18 | 1.86 | 1.90 | 91100 |
| 2011-03-17 | 2.01 | 1.85 | 160800 |
| 2011-03-16 | 1.94 | 1.96 | 268400 |
| 2011-03-15 | 1.88 | 1.94 | 246200 |
| 2011-03-14 | 1.78 | 1.86 | 202900 |
| 2011-03-11 | 1.79 | 1.78 | 77100 |
| 2011-03-10 | 1.83 | 1.78 | 119400 |
| 2011-03-09 | 1.87 | 1.84 | 58900 |
| 2011-03-08 | 1.82 | 1.88 | 87600 |
| 2011-03-07 | 2.05 | 1.82 | 171100 |
| 2011-03-04 | 1.93 | 1.89 | 65300 |
| 2011-03-03 | 1.90 | 1.89 | 116900 |
| 2011-03-02 | 1.89 | 1.89 | 80100 |
| 2011-03-01 | 1.95 | 1.87 | 110600 |
| 2011-02-28 | 2.02 | 1.95 | 125500 |
| 2011-02-25 | 1.95 | 2.00 | 182300 |
| 2011-02-24 | 1.92 | 1.95 | 146700 |
| 2011-02-23 | 2.07 | 1.85 | 374500 |
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