Year	Sterling (millions)
1998-12-31	325
1999-12-31	454
2000-12-31	622
2001-12-31	921
2002-12-31	790
2003-12-31	1214
2004-12-31	1320
2005-12-31	1694
2006-12-31	1438
2007-12-31	1984
2008-12-31	306
2009-12-31	-2066
2010-12-31	-11475
2011-12-31	-2730
2012-12-31	-1118