Year Sterling (millions) 1997-12-31 5811 1998-12-31 6130 1999-12-31 6664 2000-12-31 7502 2001-12-31 7319 2002-12-31 6446 2003-12-31 5314 2004-12-31 5010 2005-12-31 5214 2006-12-31 6122 2007-12-31 6594 2008-12-31 8036 2009-12-31 6756 2010-12-31 5123 2011-12-31 4793 2012-12-31 4566 2013-12-31 4457 2014-12-31 5266 2015-12-31 4714 2016-12-31 4541 2017-12-31 4739 2018-12-31 4727 2019-12-31 5004 2020-12-31 5605 2021-12-31 5011 2022-12-31 5510 2023-12-31 5217