| Date | Acquired | Amount |
|---|---|---|
| Oct 24, 2017 |
|
$ 450,000,000 |
| Jan 04, 2017 |
|
$ 40,000,000 |
| May 04, 2016 |
|
$ 15,000,000 |
| Dec 14, 2015 |
|
$ 151,000,000 |
| Nov 30, 2015 |
|
$ 104,000,000 |
| Jul 30, 2015 |
|
$ 1,700,000,000 |
| Jul 23, 2015 |
|
$ 16,000,000 |
| Oct 01, 2014 |
|
$ 191,000,000 |
| Oct 26, 2012 |
|
€ 765,000,000 |
| Apr 27, 2009 |
|
Undisclosed amount |
