Year Sterling (millions) 1997-12-31 4242 1998-12-31 4505 1999-12-31 5093 2000-12-31 4748 2001-12-31 3933 2002-12-31 4293 2003-12-31 7200 2004-12-31 7222 2005-12-31 5655 2006-12-31 7481 2007-12-31 7827 2008-12-31 3673 2009-12-31 1336