Year	Sterling (millions)
1998-12-31	66
2000-12-31	-10
2001-12-31	20
2002-12-31	10
2003-12-31	22
2004-12-31	18
2006-12-31	4
2007-12-31	12
2008-12-31	24
2011-12-31	0
2012-12-31	0