| Date | Acquired | Amount |
|---|---|---|
| May 07, 2014 |
|
Undisclosed amount |
| Apr 14, 2011 |
|
$ 25,500,000 |
| Feb 10, 2011 |
|
Undisclosed amount |
| Mar 24, 2003 |
|
Undisclosed amount |
| Jun 07, 2001 |
|
Undisclosed amount |
| Jul 17, 2000 |
|
Undisclosed amount |
