Year Sterling (millions) 1997-12-31 22889 1998-12-31 20354 1999-12-31 21685 2000-12-31 21829 2001-12-31 21614 2002-12-31 19873 2003-12-31 18386 2004-12-31 18835 2005-12-31 20760 2006-12-31 22076 2007-12-31 28369 2008-12-31 33072 2009-12-31 24918 2010-12-31 22262 2011-12-31 21211 2012-12-31 21350 2013-12-31 22629 2014-12-31 24383 2015-12-31 26802 2016-12-31 29146 2017-12-31 31957 2018-12-31 32775 2019-12-31 30492 2020-12-31 34523 2021-12-31 32341 2022-12-31 35679 2023-12-31 33566