Year Sterling (millions) 1997-12-31 5116 1998-12-31 4647 1999-12-31 4970 2000-12-31 5770 2001-12-31 5142 2002-12-31 5769 2003-12-31 6560 2004-12-31 6370 2005-12-31 7281 2006-12-31 7925 2007-12-31 9403 2008-12-31 8966 2009-12-31 8782 2010-12-31 8054 2011-12-31 5598 2012-12-31 4845 2013-12-31 4240 2014-12-31 4204 2015-12-31 4530 2016-12-31 4745 2017-12-31 4460 2018-12-31 4674 2019-12-31 4394 2020-12-31 6358 2021-12-31 6378 2022-12-31 5387 2023-12-31 5045