Year Sterling (millions) 1997-12-31 3558 1998-12-31 2165 1999-12-31 2012 2000-12-31 1573 2001-12-31 957 2002-12-31 900 2003-12-31 475 2004-12-31 370 2005-12-31 151 2006-12-31 160