| Date | Acquired | Amount |
|---|---|---|
| Nov 16, 2015 |
|
$ 25,000,000 |
| Oct 27, 2014 |
|
$ 17,600,000 |
| Jun 23, 2014 |
|
Undisclosed amount |
| Oct 01, 2013 |
|
Undisclosed amount |
| Jul 01, 2013 |
|
$ 6,000,000 |
| Jan 30, 2013 |
|
$ 10,000,000 |
