| Date | Open | Close | Volume |
| 2010-03-02 | 20.10 | 20.34 | 21600 |
| 2010-03-01 | 20.10 | 20.17 | 50100 |
| 2010-02-26 | 20.33 | 20.03 | 22900 |
| 2010-02-25 | 20.08 | 20.30 | 18900 |
| 2010-02-24 | 20.39 | 20.33 | 41500 |
| 2010-02-23 | 20.24 | 20.38 | 19900 |
| 2010-02-22 | 19.91 | 20.34 | 15900 |
| 2010-02-19 | 19.80 | 19.82 | 17500 |
| 2010-02-18 | 19.75 | 19.80 | 14300 |
| 2010-02-17 | 19.73 | 19.81 | 46600 |
| 2010-02-16 | 19.61 | 19.92 | 24200 |
| 2010-02-12 | 19.60 | 19.41 | 39800 |
| 2010-02-11 | 19.54 | 19.85 | 50800 |
| 2010-02-10 | 19.56 | 19.62 | 38000 |
| 2010-02-09 | 19.67 | 19.66 | 24200 |
| 2010-02-08 | 19.92 | 19.42 | 44400 |
| 2010-02-05 | 19.50 | 19.90 | 48600 |
| 2010-02-04 | 19.50 | 19.50 | 55300 |
| 2010-02-03 | 19.19 | 19.55 | 77100 |
| 2010-02-02 | 19.71 | 19.37 | 51000 |
| 2010-02-01 | 19.99 | 19.79 | 42600 |
| 2010-01-29 | 18.78 | 19.90 | 91900 |
| 2010-01-28 | 18.88 | 18.65 | 25500 |
| 2010-01-27 | 18.28 | 18.90 | 34000 |
| 2010-01-26 | 18.76 | 18.28 | 23300 |
| 2010-01-25 | 18.82 | 18.76 | 20300 |
| 2010-01-22 | 19.01 | 18.60 | 54100 |
| 2010-01-21 | 19.30 | 19.04 | 66000 |
| 2010-01-20 | 19.15 | 19.33 | 20700 |
| 2010-01-19 | 19.34 | 19.36 | 18500 |
| 2010-01-15 | 19.54 | 19.24 | 45100 |
| 2010-01-14 | 19.44 | 19.44 | 13600 |
Other Companies: 12-05-2009 | BlackRock Credit Allocation Income Trust III | 03-28-2009-1
AeroCentury Corp. | 06-03-2007-1 | Clayton Williams Energy Inc.