| Date | Acquired | Amount |
|---|---|---|
| Jun 20, 2017 |
|
Undisclosed amount |
| Jan 05, 2017 |
|
Undisclosed amount |
| Mar 16, 2015 |
|
Undisclosed amount |
| Jul 02, 2014 |
|
Undisclosed amount |
| Dec 01, 2013 |
|
Undisclosed amount |
| Jun 01, 2012 |
|
Undisclosed amount |
| Apr 29, 2011 |
|
Undisclosed amount |
| Sep 21, 2010 |
|
£ 120,000,000 |
| Jun 30, 2010 |
|
£ 100,000,000 |
| Jan 13, 2010 |
|
Undisclosed amount |
| Jan 01, 2007 |
|
Undisclosed amount |
| Jul 01, 2006 |
|
Undisclosed amount |
