| 2011-02-14 | 20.37 | 20.13 | 313000 |
| 2011-02-11 | 19.81 | 20.33 | 330700 |
| 2011-02-10 | 19.70 | 19.84 | 225800 |
| 2011-02-09 | 19.78 | 19.78 | 273500 |
| 2011-02-08 | 20.04 | 19.85 | 319800 |
| 2011-02-07 | 19.98 | 20.04 | 419500 |
| 2011-02-04 | 19.94 | 19.97 | 249300 |
| 2011-02-03 | 19.50 | 19.90 | 365200 |
| 2011-02-02 | 19.72 | 19.55 | 672800 |
| 2011-02-01 | 19.29 | 19.75 | 479100 |
| 2011-01-31 | 19.36 | 19.19 | 464500 |
| 2011-01-28 | 20.24 | 19.28 | 1554000 |
| 2011-01-27 | 20.62 | 20.90 | 378000 |
| 2011-01-26 | 20.68 | 20.63 | 235800 |
| 2011-01-25 | 20.26 | 20.67 | 250900 |
| 2011-01-24 | 20.16 | 20.37 | 244400 |
| 2011-01-21 | 20.81 | 20.13 | 423000 |
| 2011-01-20 | 20.94 | 20.75 | 415000 |
| 2011-01-19 | 20.92 | 21.01 | 549900 |
| 2011-01-18 | 20.52 | 20.98 | 415600 |
| 2011-01-14 | 20.24 | 20.61 | 353900 |
| 2011-01-13 | 20.05 | 20.29 | 339900 |
| 2011-01-12 | 20.54 | 20.03 | 481500 |
| 2011-01-11 | 20.59 | 20.38 | 503500 |
| 2011-01-10 | 19.98 | 20.53 | 453600 |
| 2011-01-07 | 20.12 | 20.04 | 339400 |
| 2011-01-06 | 20.24 | 20.06 | 306600 |
| 2011-01-05 | 20.26 | 20.20 | 303300 |
| 2011-01-04 | 20.79 | 20.33 | 439900 |
| 2011-01-03 | 20.50 | 20.71 | 397400 |
| 2010-12-31 | 20.28 | 20.39 | 198600 |
| 2010-12-30 | 20.21 | 20.27 | 181500 |
|
|