Year Sterling (millions) 1997-12-31 2551 1998-12-31 3462 1999-12-31 3584 2000-12-31 1970 2001-12-31 2458 2002-12-31 2687 2003-12-31 2276 2004-12-31 2901 2005-12-31 3764 2006-12-31 3895 2007-12-31 3475 2008-12-31 6304 2009-12-31 3994 2010-12-31 4794 2011-12-31 4127 2012-12-31 4415 2013-12-31 4585 2014-12-31 11263 2015-12-31 9825 2016-12-31 8247 2017-12-31 8048 2018-12-31 8798 2019-12-31 7801 2020-12-31 6409 2021-12-31 5347 2022-12-31 4246 2023-12-31 3858