Year Sterling (millions) 1998-12-31 8 1999-12-31 10 2000-12-31 17 2001-12-31 22 2002-12-31 31 2003-12-31 23 2004-12-31 19 2005-12-31 6 2006-12-31 -5 2007-12-31 -9 2008-12-31 32 2009-12-31 27 2010-12-31 32 2011-12-31 7 2012-12-31 6