Year Sterling (millions) 1997-12-31 0 1998-12-31 0 1999-12-31 0 2000-12-31 0 2001-12-31 0 2002-12-31 0 2003-12-31 0 2004-12-31 0 2005-12-31 0 2006-12-31 375 2007-12-31 0 2008-12-31 0 2009-12-31 0