| 2011-01-28 | 30.66 | 29.20 | 811300 |
| 2011-01-27 | 30.38 | 30.30 | 313200 |
| 2011-01-26 | 30.31 | 30.16 | 698900 |
| 2011-01-25 | 30.30 | 30.57 | 278300 |
| 2011-01-24 | 29.95 | 29.57 | 455900 |
| 2011-01-21 | 29.81 | 29.29 | 324200 |
| 2011-01-20 | 30.22 | 29.86 | 179300 |
| 2011-01-19 | 30.50 | 30.22 | 71200 |
| 2011-01-18 | 30.55 | 30.28 | 272400 |
| 2011-01-14 | 30.57 | 30.51 | 57100 |
| 2011-01-13 | 30.25 | 30.36 | 53800 |
| 2011-01-12 | 30.68 | 30.48 | 250100 |
| 2011-01-11 | 30.15 | 30.16 | 473000 |
| 2011-01-10 | 30.30 | 29.98 | 84700 |
| 2011-01-07 | 30.41 | 30.27 | 88300 |
| 2011-01-06 | 24.96 | 24.76 | 352500 |
| 2011-01-05 | 24.95 | 24.86 | 486000 |
| 2011-01-04 | 25.10 | 25.04 | 428400 |
| 2011-01-03 | 25.31 | 25.25 | 314900 |
| 2010-12-31 | 25.22 | 25.27 | 127900 |
| 2010-12-30 | 25.22 | 25.30 | 442800 |
| 2010-12-29 | 25.13 | 25.13 | 619300 |
| 2010-12-28 | 25.12 | 25.13 | 367200 |
| 2010-12-27 | 25.21 | 25.17 | 275400 |
| 2010-12-23 | 24.74 | 24.82 | 248900 |
| 2010-12-22 | 24.64 | 24.75 | 268600 |
| 2010-12-21 | 24.62 | 24.75 | 516400 |
| 2010-12-20 | 24.52 | 24.58 | 831800 |
| 2010-12-17 | 24.67 | 24.61 | 1218200 |
| 2010-12-16 | 24.09 | 24.45 | 857600 |
| 2010-12-15 | 23.88 | 23.80 | 1389400 |
| 2010-12-14 | 24.03 | 23.97 | 1436000 |