Year	Sterling (millions)
1998-12-31	4
1999-12-31	4
2000-12-31	95
2002-12-31	7
2003-12-31	8
2004-12-31	1
2005-12-31	3
2006-12-31	5
2007-12-31	158
2008-12-31	186
2009-12-31	204
2010-12-31	24
2011-12-31	-8
2012-12-31	4