| Date | Acquired | Amount |
|---|---|---|
| Mar 06, 2013 |
|
Undisclosed amount |
| Dec 14, 2011 |
|
£ 69,700,000 |
| Jul 15, 2010 |
|
$ 42,500,000 |
| Jan 18, 2010 |
|
Undisclosed amount |
| Jun 29, 2009 |
|
Undisclosed amount |
| Jun 28, 2009 |
|
Undisclosed amount |
| Jun 20, 2005 |
|
Undisclosed amount |
| May 03, 2002 |
|
Undisclosed amount |
