Year Sterling (millions) 1998-12-31 15 1999-12-31 9 2000-12-31 -2 2001-12-31 13 2002-12-31 2 2003-12-31 9 2004-12-31 10 2005-12-31 35 2006-12-31 1 2007-12-31 54 2008-12-31 70 2009-12-31 9 2010-12-31 -41 2011-12-31 -93 2012-12-31 37