| Date | Acquired | Amount |
|---|---|---|
| Dec 18, 2016 |
|
$ 214,000,000 |
| May 23, 2016 |
|
Undisclosed amount |
| Jun 05, 2015 |
|
Undisclosed amount |
| Sep 04, 2014 |
|
Undisclosed amount |
| Jul 23, 2007 |
|
Undisclosed amount |
| Dec 10, 2004 |
|
Undisclosed amount |
