Year Sterling (millions) 1998-12-31 126 1999-12-31 171 2000-12-31 183 2001-12-31 161 2002-12-31 121 2003-12-31 71 2004-12-31 123 2005-12-31 130 2006-12-31 95 2007-12-31 137 2008-12-31 115 2009-12-31 135 2010-12-31 175 2011-12-31 125 2012-12-31 123