Year Sterling (millions) 1997-12-31 15003 1998-12-31 17352 1999-12-31 15173 2000-12-31 15919 2001-12-31 13528 2002-12-31 15486 2003-12-31 17204 2004-12-31 19987 2005-12-31 19510 2006-12-31 24909 2007-12-31 30814 2008-12-31 34713 2009-12-31 29781