Year Sterling (millions) 1997-12-31 9772 1998-12-31 10703 1999-12-31 11710 2000-12-31 11376 2001-12-31 10891 2002-12-31 9062 2003-12-31 7910 2004-12-31 8115 2005-12-31 7749 2006-12-31 8395 2007-12-31 7458 2008-12-31 8702 2009-12-31 7821 2010-12-31 8021 2011-12-31 8154 2012-12-31 9091 2013-12-31 8277 2014-12-31 9568 2015-12-31 11120 2016-12-31 11112 2017-12-31 11659 2018-12-31 13181 2019-12-31 12594 2020-12-31 14915 2021-12-31 15226 2022-12-31 15073 2023-12-31 13669