Year Sterling (millions) 1997-12-31 5200 1998-12-31 4658 1999-12-31 3778 2000-12-31 4410 2001-12-31 3987 2002-12-31 2900 2003-12-31 2464 2004-12-31 2547 2005-12-31 2534 2006-12-31 2586 2007-12-31 2956 2008-12-31 3180 2009-12-31 2917 2010-12-31 3293 2011-12-31 2893 2012-12-31 2389 2013-12-31 3752 2014-12-31 3722 2015-12-31 7237 2016-12-31 3356 2017-12-31 3183 2018-12-31 2568 2019-12-31 2861 2020-12-31 3679 2021-12-31 2511 2022-12-31 3175 2023-12-31 2987