Year	Sterling (millions)
1997-12-31	110
1998-12-31	45
1999-12-31	0
2000-12-31	93
2001-12-31	6
2002-12-31	62
2003-12-31	16
2004-12-31	81
2005-12-31	163
2006-12-31	158
2007-12-31	198
2008-12-31	638
2009-12-31	427