Year Sterling (millions) 1997-12-31 4818 1998-12-31 5607 1999-12-31 6171 2000-12-31 6002 2001-12-31 5803 2002-12-31 4488 2003-12-31 3911 2004-12-31 3728 2005-12-31 3875 2006-12-31 4470 2007-12-31 3820 2008-12-31 4968 2009-12-31 4141 2010-12-31 4345 2011-12-31 4287 2012-12-31 5349 2013-12-31 4289 2014-12-31 5001 2015-12-31 5600 2016-12-31 5495 2017-12-31 6010 2018-12-31 7716 2019-12-31 7157 2020-12-31 7458 2021-12-31 7695 2022-12-31 7608 2023-12-31 7056