Year Sterling (millions) 1997-12-31 5039 1998-12-31 8970 1999-12-31 11220 2000-12-31 15435 2001-12-31 14437 2002-12-31 11493 2003-12-31 11093 2004-12-31 6395 2005-12-31 12569 2006-12-31 21156 2007-12-31 21963 2008-12-31 13486 2009-12-31 12012