Year Sterling (millions) 1997-12-31 7013 1998-12-31 7904 1999-12-31 9419 2000-12-31 12011 2001-12-31 12418 2002-12-31 13159 2003-12-31 13851 2004-12-31 13928 2005-12-31 15786 2006-12-31 17407 2007-12-31 19513 2008-12-31 19690 2009-12-31 17875 2010-12-31 15352 2011-12-31 10489 2012-12-31 9747 2013-12-31 8701 2014-12-31 7723 2015-12-31 8398 2016-12-31 9216 2017-12-31 9629 2018-12-31 7663 2019-12-31 7785 2020-12-31 8670 2021-12-31 8438 2022-12-31 7977 2023-12-31 7603