| Date | Acquired | Amount |
|---|---|---|
| May 12, 2017 |
|
Undisclosed amount |
| Jul 21, 2016 |
|
Undisclosed amount |
| Nov 03, 2015 |
|
$ 3,900,000,000 |
| Sep 17, 2015 |
|
$ 1,600,000,000 |
| Jan 25, 2015 |
|
$ 280,000,000 |
| Jul 07, 2014 |
|
A$ 700,000,000 |
| Jun 26, 2014 |
|
Undisclosed amount |
| Dec 16, 2011 |
|
Undisclosed amount |
| Nov 18, 2010 |
|
Undisclosed amount |
| Jul 15, 2008 |
|
Undisclosed amount |
| Jul 01, 2008 |
|
Undisclosed amount |
| Jul 01, 2008 |
|
Undisclosed amount |
| Jun 30, 2008 |
|
Undisclosed amount |
| Mar 14, 2008 |
|
Undisclosed amount |
| Aug 01, 2005 |
|
Undisclosed amount |
| Oct 16, 2002 |
|
Undisclosed amount |
| Mar 11, 2002 |
|
$ 48,000,000 |
| Feb 01, 2000 |
|
Undisclosed amount |
| Feb 01, 2000 |
|
Undisclosed amount |
