Year	Sterling (millions)
1998-12-31	2
2000-12-31	5
2001-12-31	1
2002-12-31	1
2003-12-31	4
2005-12-31	-37
2006-12-31	50
2007-12-31	665
2008-12-31	1265
2010-12-31	1580
2011-12-31	0
2012-12-31	6161