| Date | Acquired | Amount |
|---|---|---|
| Jul 01, 2016 |
|
Undisclosed amount |
| Jul 05, 2015 |
|
$ 39,000,000 |
| Jun 05, 2015 |
|
$ 171,000,000 |
| Mar 05, 2015 |
|
$ 219,000,000 |
| Oct 01, 2012 |
|
Undisclosed amount |
