Year Sterling (millions) 1998-12-31 19832 1999-12-31 15594 2000-12-31 20287 2001-12-31 20591 2002-12-31 19004 2003-12-31 18615 2004-12-31 21972 2005-12-31 27308 2006-12-31 32837 2007-12-31 42848 2008-12-31 48856 2009-12-31 41575 2010-12-31 37716 2011-12-31 37439 2012-12-31 35134 2013-12-31 32425 2014-12-31 31054 2015-12-31 28572 2016-12-31 28444 2017-12-31 29754 2018-12-31 30013