| Period |
Price
( ) |
| Apr. 21, 08 - Jul. 19, 08 |
3,774 |
| Sep. 1, 08 - Oct. 31, 08 |
3,774 |
| Nov. 1, 08 - Dec. 19, 08 |
4,107 |
| Dec. 20, 08 - Jan. 10, 09 |
6,660 |
| Jan. 11, 09 - Apr. 20, 09 |
5,217 |
| Apr. 21, 09 - Jul. 19, 09 |
4,107 |
| Jul. 20, 09 - Aug. 31, 09 |
5,217 |
| Sep. 1, 09 - Oct. 31, 09 |
4,329 |
|