Year Sterling (millions) 1997-12-31 6003 1998-12-31 5615 1999-12-31 6453 2000-12-31 7939 2001-12-31 5828 2002-12-31 5369 2003-12-31 3499 2004-12-31 2610 2005-12-31 3944 2006-12-31 6104 2007-12-31 5559 2008-12-31 7606 2009-12-31 5922 2010-12-31 5079 2011-12-31 4569 2012-12-31 5496 2013-12-31 7888 2014-12-31 8767 2015-12-31 8584 2016-12-31 8998 2017-12-31 11705 2018-12-31 12332 2019-12-31 14615 2020-12-31 16187 2021-12-31 23731 2022-12-31 23815 2023-12-31 22876