| Date | Acquired | Amount |
|---|---|---|
| Apr 04, 2017 |
|
$ 20,000,000 |
| Mar 02, 2017 |
|
$ 40,000,000 |
| Feb 10, 2015 |
|
$ 134,000,000 |
| Oct 28, 2014 |
|
Undisclosed amount |
| Oct 24, 2014 |
|
Undisclosed amount |
| Jul 18, 2013 |
|
Undisclosed amount |
| Oct 25, 2012 |
|
$ 50,000,000 |
