Year	Sterling (millions)
1998-12-31	103
1999-12-31	103
2000-12-31	46
2001-12-31	26
2002-12-31	43
2003-12-31	40
2004-12-31	6
2005-12-31	13
2006-12-31	33
2007-12-31	32
2008-12-31	2
2009-12-31	-39
2010-12-31	-21
2011-12-31	-65
2012-12-31	-26