Year Sterling (millions) 1997-12-31 3313 1998-12-31 3032 1999-12-31 3348 2000-12-31 4085 2001-12-31 3670 2002-12-31 4115 2003-12-31 4228 2004-12-31 4392 2005-12-31 4617 2006-12-31 5047 2007-12-31 6420 2008-12-31 6010 2009-12-31 6100 2010-12-31 5576 2011-12-31 3990 2012-12-31 3624 2013-12-31 3245 2014-12-31 3245 2015-12-31 3240 2016-12-31 3326 2017-12-31 3249 2018-12-31 3228 2019-12-31 3277 2020-12-31 5403 2021-12-31 5318 2022-12-31 4526 2023-12-31 4009