| Date | Acquired | Amount |
|---|---|---|
| Sep 14, 2016 |
|
Undisclosed amount |
| Sep 14, 2016 |
|
Undisclosed amount |
| Sep 14, 2016 |
|
Undisclosed amount |
| Jan 15, 2016 |
|
$ 30,000,000 |
| Apr 29, 2015 |
|
$ 273,000,000 |
| Sep 03, 2013 |
|
Undisclosed amount |
| Jun 11, 2013 |
|
$ 129,000,000 |
| Jun 17, 2011 |
|
$ 211,000,000 |
| Apr 23, 2010 |
|
Undisclosed amount |
| Mar 23, 2010 |
|
$ 104,000,000 |
| Oct 27, 2009 |
|
Undisclosed amount |
| Dec 31, 2008 |
|
$ 60,000,000 |
| Apr 08, 2008 |
|
$ 45,000,000 |
| Apr 18, 2006 |
|
$ 275,000,000 |
| Jul 05, 2005 |
|
$ 238,000,000 |
| Dec 22, 2003 |
|
$ 30,000,000 |
| Mar 01, 2000 |
|
$ 1,150,000,000 |
