Year Sterling (millions) 1997-12-31 2689 1998-12-31 4059 1999-12-31 3054 2000-12-31 6858 2001-12-31 3819 2002-12-31 5584 2003-12-31 7557 2004-12-31 13188 2005-12-31 17310 2006-12-31 16325 2007-12-31 16392 2008-12-31 6056 2009-12-31 3074 2010-12-31 11285 2011-12-31 8171 2012-12-31 6798 2013-12-31 10921 2014-12-31 7371 2015-12-31 8375 2016-12-31 6660 2017-12-31 9118 2018-12-31 10799 2019-12-31 15272 2020-12-31 16561 2021-12-31 15645 2022-12-31 15906 2023-12-31 15169