Year	Sterling (millions)
1998-12-31	1
1999-12-31	0
2000-12-31	2
2001-12-31	4
2002-12-31	17
2003-12-31	22
2004-12-31	130
2005-12-31	162
2006-12-31	154
2007-12-31	189
2008-12-31	346
2009-12-31	313
2010-12-31	428
2011-12-31	580
2012-12-31	-10