| Date | Acquired | Amount |
|---|---|---|
| Apr 29, 2014 |
|
$ 37,500,000 |
| Feb 21, 2013 |
|
Undisclosed amount |
| Oct 15, 2008 |
|
Undisclosed amount |
| Aug 06, 2007 |
|
Undisclosed amount |
| Jan 05, 2006 |
|
Undisclosed amount |
| Mar 28, 2003 |
|
Undisclosed amount |
