| 2011-02-14 | 17.38 | 17.98 | 481900 |
| 2011-02-11 | 17.27 | 17.45 | 542500 |
| 2011-02-10 | 15.69 | 17.31 | 1269700 |
| 2011-02-09 | 15.08 | 15.79 | 312000 |
| 2011-02-08 | 14.66 | 15.18 | 272200 |
| 2011-02-07 | 15.27 | 14.75 | 482500 |
| 2011-02-04 | 14.82 | 15.31 | 373600 |
| 2011-02-03 | 14.61 | 14.74 | 185900 |
| 2011-02-02 | 14.31 | 14.60 | 255500 |
| 2011-02-01 | 14.20 | 14.39 | 336100 |
| 2011-01-31 | 13.57 | 14.08 | 305400 |
| 2011-01-28 | 13.89 | 13.50 | 451900 |
| 2011-01-27 | 14.33 | 13.88 | 393600 |
| 2011-01-26 | 14.50 | 14.41 | 209700 |
| 2011-01-25 | 14.38 | 14.52 | 210500 |
| 2011-01-24 | 14.22 | 14.53 | 504200 |
| 2011-01-21 | 14.38 | 14.45 | 362100 |
| 2011-01-20 | 14.06 | 14.30 | 318400 |
| 2011-01-19 | 15.26 | 14.28 | 729100 |
| 2011-01-18 | 15.87 | 15.18 | 430800 |
| 2011-01-14 | 16.34 | 15.92 | 239200 |
| 2011-01-13 | 16.63 | 16.40 | 218400 |
| 2011-01-12 | 16.92 | 16.66 | 276800 |
| 2011-01-11 | 16.92 | 16.76 | 294300 |
| 2011-01-10 | 16.84 | 16.90 | 369700 |
| 2011-01-07 | 17.43 | 16.96 | 505600 |
| 2011-01-06 | 16.53 | 17.50 | 318800 |
| 2011-01-05 | 16.27 | 16.60 | 179700 |
| 2011-01-04 | 16.19 | 16.34 | 352700 |
| 2011-01-03 | 15.38 | 16.09 | 338400 |
| 2010-12-31 | 15.42 | 15.17 | 177700 |
| 2010-12-30 | 15.99 | 15.50 | 148700 |
|
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