Year Sterling (millions) 1997-12-31 2536 1998-12-31 2778 1999-12-31 2173 2000-12-31 2244 2001-12-31 1853 2002-12-31 2152 2003-12-31 3116 2004-12-31 2872 2005-12-31 4457 2006-12-31 3852 2007-12-31 2754 2008-12-31 1973 2009-12-31 2352