Year Sterling (millions) 1999-12-31 634 2000-12-31 678 2001-12-31 1355 2002-12-31 2218 2003-12-31 3790 2004-12-31 4189 2005-12-31 7471 2006-12-31 12998 2007-12-31 17582 2008-12-31 18947 2009-12-31 15557