| 2011-04-07 | 4.56 | 4.49 | 1948600 |
| 2011-04-06 | 4.62 | 4.54 | 1763400 |
| 2011-04-05 | 4.54 | 4.60 | 2028200 |
| 2011-04-04 | 4.59 | 4.53 | 2149000 |
| 2011-04-01 | 4.57 | 4.66 | 2761900 |
| 2011-03-31 | 4.59 | 4.51 | 1534700 |
| 2011-03-30 | 4.57 | 4.59 | 2599400 |
| 2011-03-29 | 4.45 | 4.50 | 1802800 |
| 2011-03-28 | 4.44 | 4.44 | 3196000 |
| 2011-03-25 | 4.74 | 4.42 | 5117500 |
| 2011-03-24 | 4.58 | 4.66 | 7615100 |
| 2011-03-23 | 4.29 | 4.49 | 5969500 |
| 2011-03-22 | 3.95 | 4.22 | 7494900 |
| 2011-03-21 | 3.88 | 3.92 | 4730600 |
| 2011-03-18 | 3.81 | 3.82 | 3488700 |
| 2011-03-17 | 3.85 | 3.76 | 2597500 |
| 2011-03-16 | 3.60 | 3.78 | 5698000 |
| 2011-03-15 | 3.44 | 3.60 | 2278200 |
| 2011-03-14 | 3.58 | 3.52 | 1015100 |
| 2011-03-11 | 3.49 | 3.64 | 2001400 |
| 2011-03-10 | 3.52 | 3.51 | 2251000 |
| 2011-03-09 | 3.62 | 3.59 | 1450500 |
| 2011-03-08 | 3.51 | 3.64 | 1848000 |
| 2011-03-07 | 3.59 | 3.49 | 2230500 |
| 2011-03-04 | 3.59 | 3.59 | 1449200 |
| 2011-03-03 | 3.64 | 3.59 | 1344500 |
| 2011-03-02 | 3.53 | 3.58 | 2036800 |
| 2011-03-01 | 3.70 | 3.51 | 2634000 |
| 2011-02-28 | 3.82 | 3.69 | 5601900 |
| 2011-02-25 | 3.40 | 3.80 | 4178900 |
| 2011-02-24 | 3.26 | 3.36 | 3295600 |
| 2011-02-23 | 3.50 | 3.29 | 3514700 |
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