| Date | Acquired | Amount |
|---|---|---|
| Mar 05, 2009 |
|
Undisclosed amount |
| Apr 06, 2001 |
|
Undisclosed amount |
| Mar 19, 2001 |
|
$ 3,555,000 |
| Nov 01, 2000 |
|
$ 64,000,000 |
