| Oct 04, 2017 |
|
Undisclosed amount |
| Feb 09, 2017 |
|
Undisclosed amount |
| Jan 23, 2017 |
|
Undisclosed amount |
| Jan 13, 2017 |
|
Undisclosed amount |
| Dec 05, 2016 |
|
Undisclosed amount |
| Nov 22, 2016 |
|
Undisclosed amount |
| Oct 31, 2016 |
|
Undisclosed amount |
| Aug 10, 2016 |
|
Undisclosed amount |
| May 19, 2016 |
|
Undisclosed amount |
| Apr 11, 2016 |
|
Undisclosed amount |
| Feb 23, 2016 |
|
Undisclosed amount |
| Jul 07, 2014 |
|
Undisclosed amount |
| Nov 27, 2013 |
|
Undisclosed amount |
| Jul 16, 2012 |
|
Undisclosed amount |
| Mar 06, 2012 |
|
Undisclosed amount |
| Dec 14, 2011 |
|
Undisclosed amount |
| Feb 12, 2009 |
|
$ 2,500,000,000 |
| Apr 27, 2007 |
|
Undisclosed amount |
| Aug 01, 2006 |
|
Undisclosed amount |
| Jul 06, 2006 |
|
Undisclosed amount |
| May 30, 2006 |
|
Undisclosed amount |