| Date | Acquired | Amount |
|---|---|---|
| Aug 31, 2006 |
|
$ 4,500,000 |
| Mar 23, 2006 |
|
Undisclosed amount |
| Feb 22, 2006 |
|
$ 17,400,000 |
| Feb 14, 2006 |
|
$ 22,000,000 |
| Feb 09, 2006 |
|
$ 10,000,000 |
| Feb 10, 2004 |
|
Undisclosed amount |
| Oct 03, 2003 |
|
Undisclosed amount |
| Mar 02, 2001 |
|
Undisclosed amount |
