| 2011-02-14 | 2.29 | 2.18 | 151100 |
| 2011-02-11 | 2.29 | 2.17 | 174500 |
| 2011-02-10 | 2.21 | 2.20 | 94200 |
| 2011-02-09 | 2.19 | 2.27 | 378600 |
| 2011-02-08 | 2.11 | 2.15 | 113600 |
| 2011-02-07 | 2.10 | 2.10 | 227600 |
| 2011-02-04 | 2.21 | 2.11 | 211600 |
| 2011-02-03 | 2.26 | 2.21 | 71200 |
| 2011-02-02 | 2.28 | 2.21 | 190300 |
| 2011-02-01 | 2.31 | 2.29 | 226200 |
| 2011-01-31 | 2.29 | 2.28 | 165200 |
| 2011-01-28 | 2.20 | 2.27 | 191000 |
| 2011-01-27 | 2.32 | 2.24 | 116900 |
| 2011-01-26 | 2.34 | 2.30 | 174100 |
| 2011-01-25 | 2.35 | 2.29 | 73800 |
| 2011-01-24 | 2.40 | 2.30 | 175300 |
| 2011-01-21 | 2.31 | 2.26 | 235300 |
| 2011-01-20 | 2.25 | 2.16 | 208300 |
| 2011-01-19 | 2.34 | 2.25 | 205100 |
| 2011-01-18 | 2.39 | 2.35 | 84300 |
| 2011-01-14 | 2.35 | 2.38 | 59600 |
| 2011-01-13 | 2.43 | 2.36 | 97800 |
| 2011-01-12 | 2.40 | 2.38 | 374300 |
| 2011-01-11 | 2.35 | 2.40 | 311600 |
| 2011-01-10 | 2.30 | 2.32 | 137200 |
| 2011-01-07 | 2.34 | 2.29 | 253400 |
| 2011-01-06 | 2.43 | 2.37 | 181200 |
| 2011-01-05 | 2.40 | 2.43 | 198700 |
| 2011-01-04 | 2.41 | 2.38 | 171600 |
| 2011-01-03 | 2.41 | 2.39 | 307300 |
| 2010-12-31 | 2.27 | 2.33 | 177000 |
| 2010-12-30 | 2.38 | 2.25 | 169300 |
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