Year Sterling (millions), Seasonally adjusted 1987-12-31 38 1988-12-31 32.6 1989-12-31 12.5 1990-12-31 9.1 1991-12-31 5.7 1992-12-31 6.9 1993-12-31 9.7 1994-12-31 6.8 1995-12-31 6.1 1996-12-31 4.5 1997-12-31 5.6 1998-12-31 4.8 1999-12-31 6.5 2000-12-31 5.4 2001-12-31 7.7 2002-12-31 11.5 2003-12-31 10.1 2004-12-31 8.6 2005-12-31 5.7 2006-12-31 5.1 2007-12-31 1.7 2008-12-31 -4.9 2009-12-31 4.1 2010-12-31 1.6 2011-12-31 1.2 2012-12-31 1 2013-12-31 1.3 2014-12-31 2.4 2015-12-31 3.1 2016-12-31 3.7 2017-12-31 3.7 2018-12-31 3.3 2019-12-31 3.4 2020-12-31 3 2021-12-31 4.7 2022-12-31 4 2023-12-31 0