Year Sterling (millions) 1998-12-31 3316 1999-12-31 4085 2000-12-31 5401 2001-12-31 5960 2002-12-31 5741 2003-12-31 5786 2004-12-31 8467 2005-12-31 10129 2006-12-31 10592 2007-12-31 9039 2008-12-31 10516 2009-12-31 13316 2010-12-31 16397 2011-12-31 18416 2012-12-31 18269