| Period |
Price
( ) |
| Oct. 1, 08 - Dec. 20, 08 |
3,008 |
| Dec. 21, 08 - Jan. 14, 09 |
5,941 |
| Jan. 15, 09 - Mar. 31, 09 |
3,763 |
| Apr. 1, 09 - Apr. 30, 09 |
4,240 |
| May. 1, 09 - Jun. 30, 09 |
3,900 |
| Jul. 1, 09 - Aug. 31, 09 |
4,579 |
| Sep. 1, 09 - Dec. 20, 09 |
3,900 |
| Dec. 21, 09 - Jan. 14, 10 |
6,712 |
| Jan. 15, 10 - Mar. 31, 10 |
4,579 |
|