Year Sterling (millions) 1997-12-31 12843 1998-12-31 11928 1999-12-31 12915 2000-12-31 15775 2001-12-31 17876 2002-12-31 18435 2003-12-31 22021 2004-12-31 24273 2005-12-31 29423 2006-12-31 36299 2007-12-31 43003 2008-12-31 45311 2009-12-31 38966 2010-12-31 35054