Year Sterling (millions) 1997-12-31 3687 1998-12-31 2985 1999-12-31 2302 2000-12-31 12199 2001-12-31 7253 2002-12-31 9179 2003-12-31 10900 2004-12-31 18302 2005-12-31 19590 2006-12-31 17227 2007-12-31 18539 2008-12-31 31792 2009-12-31 13270 2010-12-31 11148 2011-12-31 10152 2012-12-31 8565 2013-12-31 9976 2014-12-31 11033 2015-12-31 9986 2016-12-31 9605 2017-12-31 11724 2018-12-31 9935 2019-12-31 14436 2020-12-31 10386 2021-12-31 11667 2022-12-31 11272 2023-12-31 11359