Year Sterling (millions) 1998-12-31 1 1999-12-31 9 2000-12-31 12 2001-12-31 0 2002-12-31 0 2003-12-31 0 2004-12-31 0 2005-12-31 68 2006-12-31 -5 2007-12-31 1 2008-12-31 -15 2009-12-31 -13 2010-12-31 -13 2011-12-31 -1770 2012-12-31 56