| Date | Open | Close | Volume |
| 2010-03-03 | 39.14 | 39.07 | 51500 |
| 2010-03-02 | 39.09 | 39.09 | 65800 |
| 2010-03-01 | 38.65 | 38.96 | 50200 |
| 2010-02-26 | 38.75 | 38.55 | 35500 |
| 2010-02-25 | 37.93 | 38.65 | 18500 |
| 2010-02-24 | 38.19 | 38.40 | 2500 |
| 2010-02-23 | 38.44 | 38.22 | 4900 |
| 2010-02-22 | 38.81 | 38.63 | 3700 |
| 2010-02-19 | 38.44 | 38.63 | 8300 |
| 2010-02-18 | 38.37 | 38.50 | 2100 |
| 2010-02-17 | 38.27 | 38.27 | 4200 |
| 2010-02-16 | 37.93 | 37.92 | 4300 |
| 2010-02-12 | 37.00 | 37.27 | 3700 |
| 2010-02-11 | 37.02 | 37.55 | 2900 |
| 2010-02-10 | 37.12 | 37.15 | 2500 |
| 2010-02-09 | 37.11 | 37.30 | 600 |
| 2010-02-08 | 37.17 | 36.89 | 900 |
| 2010-02-05 | 37.34 | 37.19 | 5100 |
| 2010-02-04 | 38.12 | 37.26 | 46400 |
| 2010-02-03 | 38.55 | 38.37 | 1700 |
| 2010-02-02 | 37.46 | 38.68 | 1600 |
| 2010-02-01 | 37.92 | 38.03 | 23300 |
| 2010-01-29 | 38.22 | 37.72 | 24000 |
| 2010-01-28 | 38.31 | 38.15 | 3800 |
| 2010-01-27 | 38.38 | 38.40 | 8100 |
| 2010-01-26 | 38.49 | 38.37 | 3600 |
| 2010-01-25 | 38.57 | 38.49 | 2500 |
| 2010-01-22 | 38.77 | 38.36 | 2700 |
| 2010-01-21 | 39.69 | 39.10 | 10800 |
| 2010-01-20 | 39.90 | 39.70 | 9600 |
| 2010-01-19 | 39.82 | 39.90 | 1100 |
| 2010-01-15 | 39.77 | 39.32 | 15300 |
Other Companies: 11-04-2009-1 | Ecolab Inc. | 06-10-2007-1
Nuveen Ohio Quality Income Municipal Fund Inc. | 02-12-2009-1 | Utilities Select Sector SPDR