Year Sterling (millions) 1997-12-31 8308 1998-12-31 11082 1999-12-31 7726 2000-12-31 12732 2001-12-31 17066 2002-12-31 18738 2003-12-31 21719 2004-12-31 17131 2005-12-31 20534 2006-12-31 18902 2007-12-31 44825 2008-12-31 53700 2009-12-31 38044 2010-12-31 38026 2011-12-31 34125 2012-12-31 35095 2013-12-31 44400 2014-12-31 27230 2015-12-31 29953 2016-12-31 23901 2017-12-31 18217 2018-12-31 12631 2019-12-31 12633 2020-12-31 13494 2021-12-31 7400 2022-12-31 5425 2023-12-31 4655