| Feb 06, 2015 |
|
$ 4,750,000,000 |
| Feb 23, 2011 |
|
$ 155,000,000 |
| May 21, 2010 |
|
Undisclosed amount |
| May 17, 2010 |
|
Undisclosed amount |
| Oct 16, 2009 |
|
Undisclosed amount |
| Apr 16, 2009 |
|
Undisclosed amount |
| Apr 14, 2009 |
|
Undisclosed amount |
| Nov 29, 2007 |
|
Undisclosed amount |
| May 31, 2007 |
|
Undisclosed amount |
| May 23, 2006 |
|
$ 35,000,000 |
| Apr 17, 2006 |
|
Undisclosed amount |
| Oct 25, 2005 |
|
Undisclosed amount |
| Oct 06, 2004 |
|
$ 340,000,000 |
| Jun 07, 2004 |
|
Undisclosed amount |
| Mar 08, 2004 |
|
Undisclosed amount |
| Apr 19, 2001 |
|
Undisclosed amount |
| Apr 03, 2001 |
|
Undisclosed amount |
| Jul 31, 2000 |
|
Undisclosed amount |
| Dec 01, 1999 |
|
Undisclosed amount |
| Nov 30, 1999 |
|
Undisclosed amount |
| Aug 03, 1999 |
|
Undisclosed amount |
| Nov 16, 1998 |
|
Undisclosed amount |
| Apr 07, 1997 |
|
Undisclosed amount |
| Nov 06, 1995 |
|
Undisclosed amount |