Year Sterling (millions) 1998-12-31 91 1999-12-31 117 2000-12-31 137 2001-12-31 140 2002-12-31 203 2003-12-31 105 2004-12-31 103 2005-12-31 231 2006-12-31 150 2007-12-31 130 2008-12-31 69 2009-12-31 82 2010-12-31 53 2011-12-31 63 2012-12-31 81