Year Sterling (millions), Seasonally adjusted 1987-12-31 8425 1988-12-31 9482 1989-12-31 11274 1990-12-31 12469 1991-12-31 12755 1992-12-31 12837 1993-12-31 12834 1994-12-31 12754 1995-12-31 14295 1996-12-31 16115 1997-12-31 18126 1998-12-31 17159 1999-12-31 17543 2000-12-31 17005 2001-12-31 16966 2002-12-31 17073 2003-12-31 16243 2004-12-31 17729 2005-12-31 18370 2006-12-31 19702 2007-12-31 21149 2008-12-31 22202 2009-12-31 21246 2010-12-31 20386 2011-12-31 20014 2012-12-31 19826 2013-12-31 20005 2014-12-31 20063 2015-12-31 21941 2016-12-31 22181 2017-12-31 23193 2018-12-31 23043 2019-12-31 20656 2020-12-31 22651 2021-12-31 19771 2022-12-31 20973 2023-12-31 18524