Year Sterling (millions) 1998-12-31 5 1999-12-31 3 2000-12-31 16 2001-12-31 4 2002-12-31 3 2003-12-31 2 2004-12-31 2 2005-12-31 5 2006-12-31 -2 2007-12-31 13 2008-12-31 8 2009-12-31 3 2010-12-31 7 2011-12-31 8 2012-12-31 -1