| 2011-02-14 | 17.68 | 17.64 | 89500 |
| 2011-02-11 | 17.12 | 17.75 | 267500 |
| 2011-02-10 | 17.30 | 17.16 | 157800 |
| 2011-02-09 | 17.35 | 17.40 | 126300 |
| 2011-02-08 | 17.38 | 17.43 | 97700 |
| 2011-02-07 | 17.40 | 17.43 | 114800 |
| 2011-02-04 | 17.39 | 17.41 | 195100 |
| 2011-02-03 | 17.32 | 17.34 | 208800 |
| 2011-02-02 | 17.27 | 17.40 | 336200 |
| 2011-02-01 | 16.96 | 17.39 | 534300 |
| 2011-01-31 | 16.94 | 16.90 | 476500 |
| 2011-01-28 | 17.37 | 16.90 | 444700 |
| 2011-01-27 | 17.50 | 17.33 | 527900 |
| 2011-01-26 | 17.98 | 18.09 | 163200 |
| 2011-01-25 | 17.75 | 17.96 | 190200 |
| 2011-01-24 | 17.94 | 17.90 | 98200 |
| 2011-01-21 | 17.97 | 18.01 | 176300 |
| 2011-01-20 | 18.07 | 17.88 | 220600 |
| 2011-01-19 | 18.43 | 18.21 | 291200 |
| 2011-01-18 | 18.50 | 18.49 | 231800 |
| 2011-01-14 | 17.41 | 18.59 | 381200 |
| 2011-01-13 | 17.68 | 17.48 | 140500 |
| 2011-01-12 | 17.75 | 17.66 | 183400 |
| 2011-01-11 | 17.60 | 17.60 | 142300 |
| 2011-01-10 | 17.59 | 17.51 | 354700 |
| 2011-01-07 | 18.47 | 17.62 | 301300 |
| 2011-01-06 | 18.43 | 18.42 | 289600 |
| 2011-01-05 | 18.28 | 18.48 | 239600 |
| 2011-01-04 | 19.00 | 18.29 | 305100 |
| 2011-01-03 | 18.71 | 18.91 | 203000 |
| 2010-12-31 | 18.89 | 18.48 | 151700 |
| 2010-12-30 | 18.86 | 18.91 | 116900 |
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