Year Sterling (millions) 1998-12-31 54 1999-12-31 18 2000-12-31 37 2001-12-31 98 2002-12-31 77 2003-12-31 161 2004-12-31 159 2005-12-31 165 2006-12-31 149 2007-12-31 141 2008-12-31 145 2012-12-31 120