Year Sterling (millions) 1998-12-31 0 1999-12-31 430 2000-12-31 23 2001-12-31 0 2002-12-31 0 2003-12-31 0 2004-12-31 2005 2005-12-31 2387 2006-12-31 1559 2007-12-31 1833 2008-12-31 2681 2012-12-31 13408