| Date | Acquired | Amount |
|---|---|---|
| Dec 22, 2016 |
|
$ 1,200,000 |
| Nov 03, 2016 |
|
Undisclosed amount |
| Jul 30, 2014 |
|
$ 100,000,000 |
| May 01, 2014 |
|
Undisclosed amount |
| Aug 03, 2012 |
|
Undisclosed amount |
| Aug 03, 2011 |
|
$ 28,100,000 |
| Aug 03, 2011 |
|
$ 28,000,000 |
| Jan 24, 2008 |
|
$ 36,000,000 |
| Nov 29, 2007 |
|
Undisclosed amount |
| Apr 04, 2006 |
|
Undisclosed amount |
