Year Sterling (millions) 1998-12-31 31 1999-12-31 77 2000-12-31 0 2001-12-31 0 2002-12-31 20 2003-12-31 70 2004-12-31 0 2005-12-31 -43 2006-12-31 0 2007-12-31 0 2008-12-31 100 2009-12-31 0 2012-12-31 0