| Period |
Price
( ) |
| Nov. 1, 08 - Dec. 4, 08 |
3,114 |
| Dec. 5, 08 - Dec. 7, 08 |
3,585 |
| Dec. 8, 08 - Dec. 19, 08 |
3,114 |
| Dec. 20, 08 - Dec. 30, 08 |
3,398 |
| Dec. 31, 08 - Jan. 1, 09 |
3,870 |
| Jan. 2, 09 - Jan. 10, 09 |
3,398 |
| Jan. 11, 09 - Feb. 5, 09 |
3,114 |
| Feb. 6, 09 - Feb. 8, 09 |
3,585 |
| Feb. 9, 09 - Apr. 2, 09 |
3,114 |
| Apr. 3, 09 - Apr. 5, 09 |
3,585 |
| Apr. 6, 09 - Apr. 9, 09 |
3,114 |
| Apr. 10, 09 - Apr. 15, 09 |
3,585 |
| Apr. 16, 09 - Apr. 30, 09 |
3,114 |
| May. 1, 09 - May. 3, 09 |
3,114 |
| May. 4, 09 - May. 7, 09 |
2,642 |
| May. 8, 09 - May. 11, 09 |
3,114 |
| May. 12, 09 - Jul. 31, 09 |
2,642 |
|