| Date | Acquired | Amount |
|---|---|---|
| Aug 03, 2017 |
|
£ 7,500,000 |
| Apr 18, 2017 |
|
Undisclosed amount |
| Oct 19, 2015 |
|
$ 70,000,000 |
| Apr 27, 2015 |
|
$ 120,000,000 |
| Apr 24, 2015 |
|
$ 120,000,000 |
| Feb 16, 2015 |
|
$ 230,000,000 |
| Sep 10, 2012 |
|
$ 349,000,000 |
| Nov 13, 2009 |
|
$ 58,000,000 |
| Dec 18, 2003 |
|
$ 22,900,000 |
