Year	Sterling (millions)
1998-12-31	31
1999-12-31	107
2000-12-31	157
2001-12-31	177
2002-12-31	216
2003-12-31	381
2004-12-31	240
2005-12-31	206
2006-12-31	284
2007-12-31	314
2008-12-31	-658
2009-12-31	-435
2010-12-31	-975
2011-12-31	0
2012-12-31	-17