| 2011-02-14 | 17.89 | 17.41 | 480800 |
| 2011-02-11 | 18.29 | 17.97 | 411600 |
| 2011-02-10 | 18.66 | 18.17 | 495900 |
| 2011-02-09 | 18.09 | 18.36 | 803700 |
| 2011-02-08 | 17.93 | 17.89 | 476300 |
| 2011-02-07 | 18.09 | 18.08 | 525700 |
| 2011-02-04 | 17.99 | 18.21 | 472500 |
| 2011-02-03 | 18.20 | 18.12 | 475100 |
| 2011-02-02 | 18.10 | 18.16 | 321600 |
| 2011-02-01 | 18.85 | 18.05 | 1130400 |
| 2011-01-31 | 19.70 | 19.18 | 859600 |
| 2011-01-28 | 19.47 | 19.79 | 1305800 |
| 2011-01-27 | 19.00 | 19.38 | 635900 |
| 2011-01-26 | 19.85 | 19.02 | 807600 |
| 2011-01-25 | 20.21 | 19.99 | 706900 |
| 2011-01-24 | 20.38 | 20.00 | 678000 |
| 2011-01-21 | 19.97 | 20.46 | 556900 |
| 2011-01-20 | 20.10 | 20.17 | 2188700 |
| 2011-01-19 | 18.62 | 19.65 | 651800 |
| 2011-01-18 | 18.90 | 18.70 | 381800 |
| 2011-01-14 | 18.99 | 18.94 | 416400 |
| 2011-01-13 | 18.50 | 18.89 | 417500 |
| 2011-01-12 | 18.50 | 18.56 | 394200 |
| 2011-01-11 | 19.10 | 18.85 | 393700 |
| 2011-01-10 | 19.54 | 19.35 | 434100 |
| 2011-01-07 | 19.29 | 19.41 | 984000 |
| 2011-01-06 | 18.98 | 19.30 | 665100 |
| 2011-01-05 | 19.35 | 18.99 | 747000 |
| 2011-01-04 | 18.71 | 19.11 | 1075800 |
| 2011-01-03 | 18.86 | 18.86 | 500900 |
| 2010-12-31 | 19.27 | 19.24 | 125600 |
| 2010-12-30 | 19.35 | 19.28 | 148400 |
|
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