Year Sterling (millions) 1997-12-31 25455 1998-12-31 16821 1999-12-31 12605 2000-12-31 13086 2001-12-31 12416 2002-12-31 10349 2003-12-31 12807 2004-12-31 14297 2005-12-31 16264 2006-12-31 29689 2007-12-31 19080 2008-12-31 17717 2009-12-31 20039