Year Sterling (millions) 1997-12-31 28208 1998-12-31 28163 1999-12-31 25062 2000-12-31 24774 2001-12-31 24752 2002-12-31 23216 2003-12-31 23351 2004-12-31 25444 2005-12-31 27337 2006-12-31 30083 2007-12-31 30692 2008-12-31 28101 2009-12-31 31545 2010-12-31 33960 2011-12-31 28915 2012-12-31 30658 2013-12-31 33232 2014-12-31 33626 2015-12-31 38756 2016-12-31 38426 2017-12-31 42795 2018-12-31 41710 2019-12-31 41014 2020-12-31 54947 2021-12-31 54137 2022-12-31 50597 2023-12-31 51733