Year Sterling (millions) 1998-12-31 4504 1999-12-31 4462 2000-12-31 5292 2001-12-31 6917 2002-12-31 7570 2003-12-31 7167 2004-12-31 7273 2005-12-31 7704 2006-12-31 7660 2007-12-31 8095 2008-12-31 9255 2009-12-31 9210 2010-12-31 8900 2011-12-31 13546 2012-12-31 13272