| Date | Acquired | Amount |
|---|---|---|
| Sep 05, 2008 |
|
Undisclosed amount |
| May 01, 2008 |
|
Undisclosed amount |
| May 01, 2008 |
|
Undisclosed amount |
| Apr 13, 2008 |
|
$ 3,000,000 |
| Feb 14, 2008 |
|
$ 5,000,000 |
| Oct 31, 2006 |
|
Undisclosed amount |
