| Date | Acquired | Amount |
|---|---|---|
| Feb 03, 2016 |
|
$ 13,000,000 |
| Jul 22, 2015 |
|
$ 108,000,000 |
| Jul 28, 2014 |
|
$ 3,500,000,000 |
| Jul 16, 2014 |
|
Undisclosed amount |
| Aug 19, 2013 |
|
Undisclosed amount |
| Nov 26, 2012 |
|
$ 16,000,000 |
| Nov 06, 2012 |
|
$ 12,000,000 |
| Oct 31, 2012 |
|
Undisclosed amount |
| May 02, 2012 |
|
$ 40,000,000 |
| Nov 02, 2011 |
|
$ 7,800,000 |
| Apr 01, 2011 |
|
Undisclosed amount |
