Year Sterling (millions) 1998-12-31 80 1999-12-31 92 2000-12-31 106 2001-12-31 105 2002-12-31 105 2003-12-31 95 2004-12-31 105 2005-12-31 91 2006-12-31 92 2007-12-31 108 2008-12-31 135 2009-12-31 138 2010-12-31 161 2011-12-31 118 2012-12-31 115