Year	Sterling (millions)
1998-12-31	0
1999-12-31	0
2000-12-31	0
2001-12-31	50
2002-12-31	0
2003-12-31	0
2004-12-31	0
2005-12-31	-88
2006-12-31	225
2007-12-31	0
2008-12-31	300
2012-12-31	500