Year Sterling (millions) 1997-12-31 15576 1998-12-31 16342 1999-12-31 16171 2000-12-31 15842 2001-12-31 14321 2002-12-31 13090 2003-12-31 11620 2004-12-31 10810 2005-12-31 12460 2006-12-31 10885 2007-12-31 16037 2008-12-31 14046 2009-12-31 13673 2010-12-31 15754 2011-12-31 15190 2012-12-31 14238 2013-12-31 14862 2014-12-31 16349 2015-12-31 16636 2016-12-31 19333 2017-12-31 22397 2018-12-31 28064 2019-12-31 22443 2020-12-31 30103 2021-12-31 25531 2022-12-31 30025 2023-12-31 27657