Year Sterling (millions) 1997-12-31 15164 1998-12-31 15806 1999-12-31 18841 2000-12-31 19082 2001-12-31 23260 2002-12-31 30572 2003-12-31 26459 2004-12-31 20319 2005-12-31 20633 2006-12-31 26125 2007-12-31 26880 2008-12-31 32455 2009-12-31 29600 2010-12-31 29207 2011-12-31 36036 2012-12-31 31331 2013-12-31 30049 2014-12-31 27810 2015-12-31 29044 2016-12-31 28652 2017-12-31 29371 2018-12-31 28080 2019-12-31 29556 2020-12-31 38512 2021-12-31 37208 2022-12-31 41328 2023-12-31 38569