| Date | Acquired | Amount |
|---|---|---|
| Jul 27, 2017 |
|
Undisclosed amount |
| Jul 05, 2016 |
|
Undisclosed amount |
| Feb 03, 2016 |
|
Undisclosed amount |
| Jan 12, 2015 |
|
Undisclosed amount |
| Jan 27, 2014 |
|
£ 87,500,000 |
| Jan 23, 2014 |
|
Undisclosed amount |
| Jul 03, 2012 |
|
Undisclosed amount |
| Nov 05, 2007 |
|
Undisclosed amount |
| Aug 12, 2005 |
|
Undisclosed amount |
| Sep 24, 2003 |
|
Undisclosed amount |
| May 01, 2001 |
|
Undisclosed amount |
