Year	Sterling (millions)
1998-12-31	20
1999-12-31	12
2000-12-31	-1
2001-12-31	11
2002-12-31	18
2003-12-31	-18
2004-12-31	34
2005-12-31	44
2006-12-31	25
2007-12-31	117
2008-12-31	-2
2009-12-31	-290
2010-12-31	-19
2011-12-31	80
2012-12-31	-114
