| Date | Open | Close | Volume |
| 2010-03-03 | 31.73 | 31.59 | 328400 |
| 2010-03-02 | 31.54 | 31.77 | 329100 |
| 2010-03-01 | 31.16 | 31.56 | 265100 |
| 2010-02-26 | 30.99 | 31.00 | 232600 |
| 2010-02-25 | 30.30 | 31.05 | 271600 |
| 2010-02-24 | 30.83 | 30.90 | 123400 |
| 2010-02-23 | 31.37 | 30.82 | 156300 |
| 2010-02-22 | 31.66 | 31.52 | 221200 |
| 2010-02-19 | 31.25 | 31.48 | 374100 |
| 2010-02-18 | 30.68 | 31.24 | 305700 |
| 2010-02-17 | 30.31 | 30.60 | 340600 |
| 2010-02-16 | 30.00 | 30.32 | 201600 |
| 2010-02-12 | 29.21 | 29.94 | 403800 |
| 2010-02-11 | 29.02 | 29.55 | 306300 |
| 2010-02-10 | 29.27 | 29.02 | 259700 |
| 2010-02-09 | 29.46 | 29.30 | 330600 |
| 2010-02-08 | 29.01 | 29.23 | 494000 |
| 2010-02-05 | 29.35 | 29.02 | 924400 |
| 2010-02-04 | 30.87 | 29.30 | 1024800 |
| 2010-02-03 | 29.12 | 29.32 | 386000 |
| 2010-02-02 | 28.77 | 29.33 | 371700 |
| 2010-02-01 | 28.37 | 28.78 | 464400 |
| 2010-01-29 | 28.91 | 28.22 | 374300 |
| 2010-01-28 | 29.26 | 28.80 | 186700 |
| 2010-01-27 | 29.28 | 29.28 | 209400 |
| 2010-01-26 | 29.44 | 29.39 | 345000 |
| 2010-01-25 | 30.12 | 29.57 | 421500 |
| 2010-01-22 | 30.41 | 29.98 | 553700 |
| 2010-01-21 | 31.27 | 30.51 | 350900 |
| 2010-01-20 | 31.24 | 31.34 | 253900 |
| 2010-01-19 | 31.14 | 31.59 | 217900 |
| 2010-01-15 | 31.65 | 31.23 | 181600 |
Other Companies: 05-27-2008-1 | Vanguard Natural Resources, LLC | 08-16-2008-1
BlackRock Municipal Bond Investment Trust | 11-21-2007-1 | Pan American Silver Corp.