Year Sterling (millions) 1998-12-31 33 1999-12-31 22 2000-12-31 7 2001-12-31 51 2002-12-31 28 2003-12-31 0 2004-12-31 -44 2005-12-31 0 2006-12-31 0 2007-12-31 18 2008-12-31 87 2009-12-31 -13 2010-12-31 41 2011-12-31 0 2012-12-31 -15