Year Sterling (millions) 1997-12-31 3840 1998-12-31 4380 1999-12-31 4973 2000-12-31 6542 2001-12-31 7540 2002-12-31 7598 2003-12-31 7887 2004-12-31 7966 2005-12-31 9073 2006-12-31 10894 2007-12-31 13273 2008-12-31 12951 2009-12-31 12409 2010-12-31 10543 2011-12-31 7000 2012-12-31 6429 2013-12-31 5990 2014-12-31 5426 2015-12-31 5069 2016-12-31 5278 2017-12-31 5627 2018-12-31 4636 2019-12-31 4768 2020-12-31 5878 2021-12-31 5216 2022-12-31 5079 2023-12-31 4898