Year Sterling (millions) 1997-12-31 591 1998-12-31 401 1999-12-31 530 2000-12-31 774 2001-12-31 414 2002-12-31 104 2003-12-31 105 2004-12-31 0 2005-12-31 0 2006-12-31 0 2007-12-31 0 2008-12-31 0 2009-12-31 0