| Date | Acquired | Amount |
|---|---|---|
| Apr 04, 2016 |
|
$ 55,000,000 |
| Sep 24, 2015 |
|
Undisclosed amount |
| Aug 19, 2014 |
|
$ 161,000,000 |
| Feb 07, 2011 |
|
Undisclosed amount |
| Nov 10, 2009 |
|
Undisclosed amount |
| Mar 28, 2008 |
|
Undisclosed amount |
