| 2011-04-07 | 4.00 | 4.05 | 192000 |
| 2011-04-06 | 4.01 | 4.00 | 241100 |
| 2011-04-05 | 4.17 | 4.02 | 154400 |
| 2011-04-04 | 4.37 | 4.17 | 123200 |
| 2011-04-01 | 4.55 | 4.37 | 263500 |
| 2011-03-31 | 4.20 | 4.53 | 564300 |
| 2011-03-30 | 4.39 | 4.40 | 67500 |
| 2011-03-29 | 4.37 | 4.40 | 143500 |
| 2011-03-28 | 4.44 | 4.39 | 56000 |
| 2011-03-25 | 4.41 | 4.45 | 59000 |
| 2011-03-24 | 4.40 | 4.42 | 57700 |
| 2011-03-23 | 4.45 | 4.41 | 47900 |
| 2011-03-22 | 4.37 | 4.39 | 58100 |
| 2011-03-21 | 4.54 | 4.48 | 78000 |
| 2011-03-18 | 4.47 | 4.53 | 65800 |
| 2011-03-17 | 4.60 | 4.48 | 143600 |
| 2011-03-16 | 4.40 | 4.56 | 242400 |
| 2011-03-15 | 4.36 | 4.42 | 98600 |
| 2011-03-14 | 4.42 | 4.46 | 79500 |
| 2011-03-11 | 4.43 | 4.47 | 64600 |
| 2011-03-10 | 4.46 | 4.47 | 76500 |
| 2011-03-09 | 4.42 | 4.52 | 54600 |
| 2011-03-08 | 4.45 | 4.44 | 85000 |
| 2011-03-07 | 4.52 | 4.47 | 166800 |
| 2011-03-04 | 4.47 | 4.53 | 52400 |
| 2011-03-03 | 4.48 | 4.49 | 127500 |
| 2011-03-02 | 4.43 | 4.46 | 251600 |
| 2011-03-01 | 4.54 | 4.45 | 121000 |
| 2011-02-28 | 4.45 | 4.52 | 168100 |
| 2011-02-25 | 4.32 | 4.44 | 97100 |
| 2011-02-24 | 4.34 | 4.34 | 116400 |
| 2011-02-23 | 4.45 | 4.35 | 200800 |
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