Year Sterling (millions) 1997-12-31 25298 1998-12-31 25188 1999-12-31 26158 2000-12-31 26504 2001-12-31 23492 2002-12-31 23071 2003-12-31 20904 2004-12-31 19765 2005-12-31 23519 2006-12-31 25048 2007-12-31 25842 2008-12-31 28477 2009-12-31 21111 2010-12-31 20643 2011-12-31 17833 2012-12-31 16227 2013-12-31 16046 2014-12-31 21735 2015-12-31 17783 2016-12-31 23385 2017-12-31 25735 2018-12-31 26234 2019-12-31 25722 2020-12-31 27918 2021-12-31 22769 2022-12-31 23517 2023-12-31 23519