Year Sterling (millions) 1998-12-31 476 1999-12-31 548 2000-12-31 653 2001-12-31 661 2002-12-31 980 2003-12-31 1046 2004-12-31 1130 2005-12-31 1380 2006-12-31 1412 2007-12-31 1519 2008-12-31 1885 2009-12-31 1657 2010-12-31 2021 2011-12-31 1840 2012-12-31 1508