| Date | Acquired | Amount |
|---|---|---|
| May 28, 2015 |
|
Undisclosed amount |
| May 28, 2015 |
|
Undisclosed amount |
| Oct 01, 2014 |
|
$ 19,000,000 |
| Sep 03, 2014 |
|
$ 50,000,000 |
| Jun 12, 2012 |
|
Undisclosed amount |
| Jun 17, 2002 |
|
Undisclosed amount |
