| Period |
Price
( ) |
| May. 1, 08 - Jul. 31, 08 |
14,801 |
| Aug. 1, 08 - Aug. 31, 08 |
19,611 |
| Sep. 1, 08 - Oct. 20, 08 |
17,299 |
| Oct. 21, 08 - Oct. 31, 08 |
14,801 |
| Nov. 1, 08 - Dec. 20, 08 |
15,730 |
| Dec. 21, 08 - Jan. 5, 09 |
18,185 |
| Jan. 6, 09 - Apr. 30, 09 |
17,670 |
| May. 1, 09 - Jul. 31, 09 |
15,730 |
| Aug. 1, 09 - Aug. 31, 09 |
18,185 |
| Sep. 1, 09 - Oct. 20, 09 |
17,670 |
| Oct. 21, 09 - Oct. 31, 09 |
15,730 |
|