Year Sterling (millions) 1997-12-31 3680 1998-12-31 4343 1999-12-31 4557 2000-12-31 6215 2001-12-31 7032 2002-12-31 7024 2003-12-31 7143 2004-12-31 6177 2005-12-31 7529 2006-12-31 6670 2007-12-31 8683 2008-12-31 9136 2009-12-31 7811 2010-12-31 6470