| Date | Acquired | Amount |
|---|---|---|
| Apr 29, 2016 |
|
$ 1,100,000,000 |
| Nov 03, 2014 |
|
$ 12,000,000 |
| Feb 24, 2014 |
|
$ 69,000,000 |
| Jan 29, 2014 |
|
$ 135,000,000 |
| Apr 01, 2013 |
|
$ 10,000,000 |
| Nov 23, 2012 |
|
Undisclosed amount |
| Jul 17, 2012 |
|
$ 20,000,000 |
| May 21, 2012 |
|
$ 20,000,000 |
| May 05, 2011 |
|
$ 14,700,000 |
| Feb 28, 2011 |
|
$ 35,500,000 |
| Mar 16, 2010 |
|
Undisclosed amount |
| Apr 15, 2009 |
|
$ 16,500,000 |
| May 02, 2008 |
|
Undisclosed amount |
| Dec 07, 2007 |
|
$ 2,800,000,000 |
| Nov 20, 2007 |
|
$ 45,000,000 |
| Nov 09, 2007 |
|
Undisclosed amount |
| Jan 03, 2007 |
|
$ 43,500,000 |
| Feb 15, 2006 |
|
Undisclosed amount |
| Jun 13, 2005 |
|
Undisclosed amount |
| Jan 27, 2004 |
|
Undisclosed amount |
| Nov 06, 2002 |
|
$ 25,000,000 |
| Nov 06, 2002 |
|
$ 5,250,000 |
| Sep 01, 2000 |
|
Undisclosed amount |
