Year	Sterling (millions)
1998-12-31	1
1999-12-31	1
2000-12-31	1
2001-12-31	2
2002-12-31	4
2003-12-31	1
2004-12-31	2
2005-12-31	1
2006-12-31	2
2007-12-31	2
2008-12-31	3
2009-12-31	3
2010-12-31	1
2011-12-31	2
2012-12-31	1