| 2011-02-14 | 3.93 | 4.42 | 1373300 |
| 2011-02-11 | 3.86 | 3.80 | 298900 |
| 2011-02-10 | 3.87 | 3.85 | 257100 |
| 2011-02-09 | 4.04 | 3.93 | 368200 |
| 2011-02-08 | 3.89 | 4.06 | 766700 |
| 2011-02-07 | 3.92 | 3.84 | 245300 |
| 2011-02-04 | 3.93 | 3.82 | 243300 |
| 2011-02-03 | 3.68 | 3.89 | 584300 |
| 2011-02-02 | 3.75 | 3.68 | 241500 |
| 2011-02-01 | 3.82 | 3.73 | 399000 |
| 2011-01-31 | 3.98 | 3.82 | 378800 |
| 2011-01-28 | 3.74 | 3.89 | 428200 |
| 2011-01-27 | 3.90 | 3.68 | 323100 |
| 2011-01-26 | 3.61 | 3.80 | 407200 |
| 2011-01-25 | 3.69 | 3.56 | 512200 |
| 2011-01-24 | 4.21 | 3.71 | 1004300 |
| 2011-01-21 | 3.60 | 4.03 | 1331900 |
| 2011-01-20 | 3.60 | 3.60 | 819500 |
| 2011-01-19 | 3.90 | 3.67 | 1310800 |
| 2011-01-18 | 4.01 | 3.90 | 879200 |
| 2011-01-14 | 4.23 | 3.91 | 2036200 |
| 2011-01-13 | 4.52 | 4.26 | 479500 |
| 2011-01-12 | 4.70 | 4.56 | 526000 |
| 2011-01-11 | 4.49 | 4.59 | 434100 |
| 2011-01-10 | 4.28 | 4.41 | 336400 |
| 2011-01-07 | 4.37 | 4.33 | 486500 |
| 2011-01-06 | 4.84 | 4.47 | 609400 |
| 2011-01-05 | 4.76 | 4.78 | 643600 |
| 2011-01-04 | 5.13 | 4.78 | 951100 |
| 2011-01-03 | 4.85 | 5.08 | 1184400 |
| 2010-12-31 | 4.48 | 4.73 | 450100 |
| 2010-12-30 | 4.55 | 4.53 | 316600 |
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