Year Sterling (millions) 1997-12-31 12388 1998-12-31 12133 1999-12-31 11187 2000-12-31 10867 2001-12-31 8840 2002-12-31 9981 2003-12-31 13511 2004-12-31 13900 2005-12-31 16432 2006-12-31 20101 2007-12-31 21410 2008-12-31 21910 2009-12-31 21977 2010-12-31 16480 2011-12-31 14755 2012-12-31 12703 2013-12-31 12551 2014-12-31 15479 2015-12-31 19347 2016-12-31 23656 2017-12-31 23877 2018-12-31 29536 2019-12-31 31960 2020-12-31 30621 2021-12-31 30422 2022-12-31 33032 2023-12-31 34613