Year Sterling (millions), Seasonally adjusted 1987-12-31 23.3 1988-12-31 29.6 1989-12-31 22 1990-12-31 14 1991-12-31 3.1 1992-12-31 1.3 1993-12-31 1.1 1994-12-31 1.9 1995-12-31 8.1 1996-12-31 8.2 1997-12-31 9.1 1998-12-31 5.6 1999-12-31 8.3 2000-12-31 10.8 2001-12-31 7.1 2002-12-31 10 2003-12-31 9.2 2004-12-31 11.3 2005-12-31 9.7 2006-12-31 10.3 2007-12-31 12.6 2008-12-31 8.9 2009-12-31 0.9 2010-12-31 -2.3 2011-12-31 -1.3 2012-12-31 0.7 2013-12-31 -1.5 2014-12-31 -4 2015-12-31 2.7 2016-12-31 4.8 2017-12-31 4.5 2018-12-31 4.4 2019-12-31 5 2020-12-31 4 2021-12-31 2 2022-12-31 1.5 2023-12-31 -0.7