Year Sterling (millions) 1997-12-31 4679 1998-12-31 4859 1999-12-31 4811 2000-12-31 4992 2001-12-31 6653 2002-12-31 5656 2003-12-31 5603 2004-12-31 5855 2005-12-31 6624 2006-12-31 9050 2007-12-31 8132 2008-12-31 8477 2009-12-31 8070 2010-12-31 9210 2011-12-31 9614 2012-12-31 8367 2013-12-31 9353 2014-12-31 10222 2015-12-31 11515 2016-12-31 12342 2017-12-31 11840 2018-12-31 13120 2019-12-31 14846 2020-12-31 19229 2021-12-31 22190 2022-12-31 27809 2023-12-31 27837