Year Sterling (millions) 1998-03-31 0 1998-06-30 0 1998-09-30 0 1998-12-31 0 1999-03-31 0 1999-06-30 0 1999-09-30 0 1999-12-31 0 2000-03-31 0 2000-06-30 0 2000-09-30 0 2000-12-31 0 2001-03-31 0 2001-06-30 0 2001-09-30 0 2001-12-31 0 2002-03-31 0 2002-06-30 0 2002-09-30 0 2002-12-31 40 2003-03-31 0 2003-06-30 0 2003-09-30 0 2003-12-31 0 2004-12-31 -44 2005-12-31 0 2006-12-31 0 2007-12-31 0 2008-12-31 0 2009-12-31 0 2010-12-31 0 2011-12-31 0 2012-12-31 0