Year Sterling (millions) 1997-12-31 21431 1998-12-31 21315 1999-12-31 20991 2000-12-31 26459 2001-12-31 22515 2002-12-31 19632 2003-12-31 17801 2004-12-31 18605 2005-12-31 19535 2006-12-31 26465 2007-12-31 19653 2008-12-31 25946 2009-12-31 22901 2010-12-31 23543 2011-12-31 24083 2012-12-31 24772 2013-12-31 28671 2014-12-31 30730 2015-12-31 34659 2016-12-31 37724 2017-12-31 39205 2018-12-31 43072 2019-12-31 46154 2020-12-31 53461 2021-12-31 68580 2022-12-31 67531 2023-12-31 71885