Year Sterling (millions) 1997-12-31 8145 1998-12-31 7985 1999-12-31 8839 2000-12-31 8484 2001-12-31 7436 2002-12-31 7000 2003-12-31 6340 2004-12-31 6149 2005-12-31 5445 2006-12-31 6072 2007-12-31 6639 2008-12-31 5997 2009-12-31 6278 2010-12-31 4739 2011-12-31 4311 2012-12-31 4669 2013-12-31 4696 2014-12-31 5347 2015-12-31 5246 2016-12-31 5186 2017-12-31 5737 2018-12-31 5882 2019-12-31 6146 2020-12-31 7000 2021-12-31 6525 2022-12-31 6390 2023-12-31 6389