| Date | Acquired | Amount |
|---|---|---|
| Jul 26, 2017 |
|
$ 240,000,000 |
| Jun 05, 2017 |
|
Undisclosed amount |
| Aug 12, 2016 |
|
$ 1,620,000,000 |
| Jun 20, 2016 |
|
$ 315,000,000 |
| Jun 02, 2016 |
|
$ 163,000,000 |
| May 01, 2016 |
|
Undisclosed amount |
| Apr 27, 2016 |
|
$ 100,000,000 |
| Apr 18, 2016 |
|
$ 170,000,000 |
| Oct 08, 2015 |
|
Undisclosed amount |
| Jan 28, 2015 |
|
Undisclosed amount |
| Dec 05, 2014 |
|
$ 330,000,000 |
| Nov 05, 2013 |
|
$ 1,170,000,000 |
| Aug 16, 2013 |
|
Undisclosed amount |
| Aug 01, 2013 |
|
Undisclosed amount |
| Mar 06, 2013 |
|
Undisclosed amount |
| May 01, 2012 |
|
$ 310,000,000 |
| May 01, 2012 |
|
$ 310,000,000 |
| Sep 06, 2011 |
|
Undisclosed amount |
| Jul 13, 2011 |
|
$ 260,000,000 |
| Mar 08, 2011 |
|
Undisclosed amount |
| Feb 02, 2011 |
|
Undisclosed amount |
| Oct 27, 2010 |
|
$ 71,000,000 |
| Apr 26, 2010 |
|
Undisclosed amount |
| Feb 22, 2010 |
|
Undisclosed amount |
| May 06, 2009 |
|
$ 310,000,000 |
| Apr 08, 2009 |
|
Undisclosed amount |
| Sep 03, 2008 |
|
Undisclosed amount |
| Jul 10, 2008 |
|
Undisclosed amount |
| Jul 03, 2008 |
|
Undisclosed amount |
| Oct 02, 2006 |
|
Undisclosed amount |
| Aug 03, 2004 |
|
Undisclosed amount |
| Feb 24, 2004 |
|
$ 206,000,000 |
| Oct 28, 2003 |
|
Undisclosed amount |
| Mar 20, 2003 |
|
Undisclosed amount |
| Feb 25, 2003 |
|
$ 3,600,000 |
| Sep 19, 2002 |
|
Undisclosed amount |
| Oct 25, 2000 |
|
Undisclosed amount |
| Sep 20, 1999 |
|
Undisclosed amount |
| Aug 26, 1999 |
|
Undisclosed amount |
| Jun 03, 1998 |
|
Undisclosed amount |
