| Date | Acquired | Amount |
|---|---|---|
| Dec 16, 2016 |
|
$ 625,000,000 |
| Mar 05, 2015 |
|
€ 200,000,000 |
| Jul 09, 2014 |
|
Undisclosed amount |
| Apr 02, 2014 |
|
$ 70,000,000 |
| Sep 11, 2013 |
|
Undisclosed amount |
| Sep 06, 2013 |
|
Undisclosed amount |
| Feb 14, 2012 |
|
Undisclosed amount |
| Nov 10, 2011 |
|
$ 380,000,000 |
| Apr 18, 2011 |
|
$ 338,000,000 |
| Mar 02, 2010 |
|
$ 330,000,000 |
| May 03, 2002 |
|
$ 157,000,000 |
| Feb 25, 1998 |
|
$ 189,000,000 |
