Year	Sterling (millions)
1998-12-31	-131
1999-12-31	400
2000-12-31	708
2001-12-31	417
2002-12-31	793
2003-12-31	1047
2004-12-31	613
2005-12-31	869
2006-12-31	1138
2007-12-31	1202
2008-12-31	464
2009-12-31	-493
2010-12-31	170
2011-12-31	798
2012-12-31	156