| Date | Acquired | Amount |
|---|---|---|
| Jun 13, 2017 |
|
$ 8,000,000 |
| Mar 27, 2017 |
|
$ 71,800,000 |
| Dec 15, 2015 |
|
$ 841,000,000 |
| Mar 24, 2015 |
|
Undisclosed amount |
| Oct 21, 2014 |
|
Undisclosed amount |
| Sep 15, 2014 |
|
Undisclosed amount |
