| Period |
Price
( ) |
| May. 1, 08 - Oct. 31, 08 |
999 |
| Nov. 1, 08 - Nov. 20, 08 |
1,554 |
| Nov. 21, 08 - Dec. 20, 08 |
1,887 |
| Dec. 21, 08 - Jan. 20, 09 |
2,498 |
| Jan. 21, 09 - Mar. 20, 09 |
2,164 |
| Mar. 21, 09 - Apr. 20, 09 |
1,776 |
| Apr. 21, 09 - May. 31, 09 |
777 |
| Jun. 1, 09 - Oct. 31, 10 |
888 |
|