Year Sterling (millions) 1997-12-31 9157 1998-12-31 6939 1999-12-31 8124 2000-12-31 12075 2001-12-31 20741 2002-12-31 20423 2003-12-31 20276 2004-12-31 27302 2005-12-31 28756 2006-12-31 33310 2007-12-31 24522 2008-12-31 15279 2009-12-31 12086 2010-12-31 20494 2011-12-31 16510 2012-12-31 19314 2013-12-31 20468 2014-12-31 12767 2015-12-31 16775 2016-12-31 21617 2017-12-31 20648 2018-12-31 26508 2019-12-31 26014 2020-12-31 23303 2021-12-31 26009 2022-12-31 30962 2023-12-31 33836