| 2011-02-14 | 56.14 | 56.30 | 339400 |
| 2011-02-11 | 54.96 | 56.00 | 500600 |
| 2011-02-10 | 54.70 | 55.23 | 799200 |
| 2011-02-09 | 56.35 | 56.50 | 557800 |
| 2011-02-08 | 56.38 | 56.87 | 415900 |
| 2011-02-07 | 55.66 | 56.05 | 649600 |
| 2011-02-04 | 54.00 | 55.25 | 648700 |
| 2011-02-03 | 53.40 | 53.89 | 560500 |
| 2011-02-02 | 52.95 | 53.74 | 603100 |
| 2011-02-01 | 51.60 | 53.31 | 676800 |
| 2011-01-31 | 50.07 | 50.70 | 796400 |
| 2011-01-28 | 53.54 | 49.83 | 1603200 |
| 2011-01-27 | 53.08 | 53.45 | 811700 |
| 2011-01-26 | 51.98 | 52.53 | 645100 |
| 2011-01-25 | 50.61 | 51.58 | 632800 |
| 2011-01-24 | 49.13 | 51.05 | 723000 |
| 2011-01-21 | 50.84 | 49.01 | 594300 |
| 2011-01-20 | 50.23 | 49.94 | 1003200 |
| 2011-01-19 | 52.82 | 51.31 | 779400 |
| 2011-01-18 | 50.89 | 52.49 | 820700 |
| 2011-01-14 | 50.75 | 51.99 | 586300 |
| 2011-01-13 | 50.69 | 50.71 | 580200 |
| 2011-01-12 | 50.15 | 50.76 | 450900 |
| 2011-01-11 | 49.87 | 49.45 | 482700 |
| 2011-01-10 | 48.38 | 49.30 | 297800 |
| 2011-01-07 | 49.23 | 48.87 | 667000 |
| 2011-01-06 | 48.14 | 49.25 | 592400 |
| 2011-01-05 | 46.80 | 47.95 | 431600 |
| 2011-01-04 | 47.32 | 47.15 | 778100 |
| 2011-01-03 | 46.28 | 46.75 | 707700 |
| 2010-12-31 | 45.44 | 45.50 | 333400 |
| 2010-12-30 | 45.72 | 45.62 | 325300 |
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