| Date | Acquired | Amount |
|---|---|---|
| Sep 20, 2016 |
|
Undisclosed amount |
| Jun 21, 2011 |
|
$ 38,000,000 |
| Feb 01, 2011 |
|
Undisclosed amount |
| Oct 01, 2010 |
|
Undisclosed amount |
| Sep 15, 2009 |
|
Undisclosed amount |
| May 06, 2008 |
|
$ 128,800,000 |
| Oct 10, 2007 |
|
Undisclosed amount |
| Mar 09, 2007 |
|
$ 3,000,000 |
| Oct 24, 2003 |
|
Undisclosed amount |
| Nov 01, 1999 |
|
Undisclosed amount |
