Year	Sterling (millions)
1998-12-31	251
1999-12-31	306
2000-12-31	750
2001-12-31	236
2002-12-31	-77
2003-12-31	462
2004-12-31	-71
2005-12-31	915
2006-12-31	203
2007-12-31	532
2008-12-31	1621
2009-12-31	782
2010-12-31	-138
2011-12-31	2050
2012-12-31	409