| Period |
Price
( ) |
| May. 20, 08 - Jul. 16, 08 |
2,442 |
| Jul. 17, 08 - Jul. 19, 08 |
3,663 |
| Jul. 20, 08 - Oct. 22, 08 |
2,442 |
| Oct. 23, 08 - Oct. 25, 08 |
3,663 |
| Oct. 26, 08 - Oct. 31, 08 |
2,442 |
| Nov. 1, 08 - Dec. 19, 08 |
4,533 |
| Dec. 20, 08 - Jan. 10, 09 |
5,273 |
| Jan. 11, 09 - Apr. 15, 09 |
4,533 |
| Apr. 16, 09 - Oct. 31, 09 |
3,515 |
|