Year	Sterling (millions)
1998-12-31	553
1999-12-31	694
2000-12-31	972
2001-12-31	1450
2002-12-31	1611
2003-12-31	2089
2004-12-31	2562
2005-12-31	3234
2006-12-31	3140
2007-12-31	4306
2008-12-31	3601
2009-12-31	7416
2010-12-31	11278
2011-12-31	15260
2012-12-31	17290