Year Sterling (millions) 1998-12-31 21 1999-12-31 23 2000-12-31 33 2001-12-31 24 2002-12-31 25 2003-12-31 17 2004-12-31 65 2005-12-31 44 2006-12-31 4 2007-12-31 2 2008-12-31 -5 2009-12-31 -38 2010-12-31 -54 2011-12-31 -46 2012-12-31 -20