Year Sterling (millions) 1997-12-31 5377 1998-12-31 4952 1999-12-31 4816 2000-12-31 5094 2001-12-31 4329 2002-12-31 4603 2003-12-31 4169 2004-12-31 4705 2005-12-31 5332 2006-12-31 4083 2007-12-31 4531 2008-12-31 6314 2009-12-31 8280 2010-12-31 9146 2011-12-31 8442 2012-12-31 8172 2013-12-31 8478 2014-12-31 9493 2015-12-31 10875 2016-12-31 11609 2017-12-31 11322 2018-12-31 12647 2019-12-31 11040 2020-12-31 14753 2021-12-31 14516 2022-12-31 17054 2023-12-31 12553