Year Sterling (millions) 1997-12-31 5365 1998-12-31 4700 1999-12-31 3976 2000-12-31 14366 2001-12-31 8978 2002-12-31 10941 2003-12-31 13091 2004-12-31 20196 2005-12-31 21857 2006-12-31 19587 2007-12-31 21493 2008-12-31 34283 2009-12-31 16146 2010-12-31 14138 2011-12-31 12554 2012-12-31 10999 2013-12-31 11530 2014-12-31 12791 2015-12-31 12239 2016-12-31 11863 2017-12-31 14574 2018-12-31 12372 2019-12-31 15635 2020-12-31 11570 2021-12-31 12778 2022-12-31 12438 2023-12-31 12624