Year Sterling (millions) 1997-12-31 446 1998-12-31 323 1999-12-31 317 2000-12-31 364 2001-12-31 315 2002-12-31 373 2003-12-31 374 2004-12-31 525 2005-12-31 760 2006-12-31 1722 2007-12-31 2431 2008-12-31 1941 2009-12-31 1927 2010-12-31 1530 2011-12-31 1442 2012-12-31 1389 2013-12-31 1914 2014-12-31 2158 2015-12-31 2567 2016-12-31 3126 2017-12-31 4066 2018-12-31 2988 2019-12-31 4099 2020-12-31 4994 2021-12-31 5148 2022-12-31 4772 2023-12-31 3890