| Period |
Price
( ) |
| Sep. 1, 08 - Nov. 30, 08 |
1,830 |
| Dec. 1, 08 - Dec. 15, 08 |
2,080 |
| Dec. 16, 08 - Jan. 15, 09 |
2,495 |
| Jan. 16, 09 - Apr. 30, 09 |
2,080 |
| May. 1, 09 - Jun. 30, 09 |
1,830 |
| Jul. 1, 09 - Aug. 31, 09 |
2,080 |
| Sep. 1, 09 - Nov. 30, 09 |
1,830 |
| Dec. 1, 09 - Dec. 15, 09 |
2,080 |
| Dec. 16, 09 - Dec. 31, 09 |
2,495 |
|