Year Sterling (millions) 1998-12-31 150 1999-12-31 208 2000-12-31 188 2001-12-31 180 2002-12-31 150 2003-12-31 113 2004-12-31 138 2005-12-31 115 2006-12-31 116 2007-12-31 156 2008-12-31 133 2009-12-31 135 2010-12-31 158 2011-12-31 156 2012-12-31 132