Year Sterling (millions) 1997-12-31 10840 1998-12-31 9671 1999-12-31 10449 2000-12-31 10084 2001-12-31 12031 2002-12-31 10798 2003-12-31 9573 2004-12-31 9251 2005-12-31 11483 2006-12-31 11358 2007-12-31 26185 2008-12-31 28225 2009-12-31 18838 2010-12-31 23255 2011-12-31 23214 2012-12-31 21828 2013-12-31 25394 2014-12-31 26174 2015-12-31 32380 2016-12-31 32056 2017-12-31 27659 2018-12-31 28072 2019-12-31 27628 2020-12-31 36702 2021-12-31 26882 2022-12-31 32536 2023-12-31 31798