| Date | Acquired | Amount |
|---|---|---|
| Nov 23, 2016 |
|
$ 24,000,000 |
| Oct 27, 2016 |
|
$ 40,000,000 |
| Sep 15, 2015 |
|
$ 48,000,000 |
| Apr 06, 2014 |
|
$ 3,200,000,000 |
| Nov 09, 2012 |
|
$ 230,000,000 |
