Year	Sterling (millions)
1998-12-31	0
1999-12-31	227
2000-12-31	52
2001-12-31	215
2002-12-31	13
2003-12-31	-60
2004-12-31	32
2005-12-31	0
2006-12-31	0
2007-12-31	154
2008-12-31	116
2009-12-31	0
2010-12-31	61
2011-12-31	44
2012-12-31	230