| 2011-02-14 | 13.70 | 13.63 | 565400 |
| 2011-02-11 | 13.50 | 13.72 | 678400 |
| 2011-02-10 | 13.50 | 13.52 | 500100 |
| 2011-02-09 | 13.67 | 13.51 | 704800 |
| 2011-02-08 | 13.70 | 13.69 | 555500 |
| 2011-02-07 | 13.62 | 13.68 | 691500 |
| 2011-02-04 | 13.59 | 13.53 | 587500 |
| 2011-02-03 | 13.53 | 13.58 | 642000 |
| 2011-02-02 | 13.72 | 13.59 | 616200 |
| 2011-02-01 | 13.60 | 13.75 | 937500 |
| 2011-01-31 | 13.72 | 13.53 | 1153100 |
| 2011-01-28 | 13.89 | 13.69 | 1153300 |
| 2011-01-27 | 14.00 | 13.93 | 914400 |
| 2011-01-26 | 14.23 | 14.04 | 855300 |
| 2011-01-25 | 14.09 | 14.19 | 559200 |
| 2011-01-24 | 14.25 | 14.15 | 409900 |
| 2011-01-21 | 14.36 | 14.24 | 485400 |
| 2011-01-20 | 14.46 | 14.25 | 1043500 |
| 2011-01-19 | 14.86 | 14.54 | 950200 |
| 2011-01-18 | 14.53 | 14.91 | 1333300 |
| 2011-01-14 | 14.13 | 14.57 | 884100 |
| 2011-01-13 | 14.15 | 14.20 | 694500 |
| 2011-01-12 | 14.25 | 14.20 | 522700 |
| 2011-01-11 | 14.15 | 14.12 | 416500 |
| 2011-01-10 | 13.95 | 14.12 | 719400 |
| 2011-01-07 | 14.31 | 14.00 | 805100 |
| 2011-01-06 | 14.53 | 14.26 | 498200 |
| 2011-01-05 | 14.29 | 14.48 | 701900 |
| 2011-01-04 | 14.57 | 14.22 | 843900 |
| 2011-01-03 | 14.45 | 14.51 | 638600 |
| 2010-12-31 | 14.36 | 14.30 | 393900 |
| 2010-12-30 | 14.40 | 14.40 | 408800 |