| Period |
Price
( ) |
| Sep. 1, 08 - Dec. 14, 08 |
1,330 |
| Dec. 15, 08 - Jan. 10, 09 |
2,018 |
| Jan. 11, 09 - Feb. 11, 09 |
1,695 |
| Feb. 12, 09 - Feb. 14, 09 |
2,018 |
| Feb. 15, 09 - Apr. 11, 09 |
1,695 |
| Apr. 12, 09 - Apr. 17, 09 |
2,018 |
| Apr. 18, 09 - Apr. 30, 09 |
1,695 |
| May. 1, 09 - Jun. 30, 09 |
1,330 |
| Jul. 1, 09 - Aug. 31, 09 |
1,695 |
| Sep. 1, 09 - Oct. 31, 09 |
1,330 |
|