Year Sterling (millions) 1997-12-31 8828 1998-12-31 8692 1999-12-31 12277 2000-12-31 13737 2001-12-31 14709 2002-12-31 15646 2003-12-31 15008 2004-12-31 15397 2005-12-31 15038 2006-12-31 16440 2007-12-31 16350 2008-12-31 15075 2009-12-31 14088 2010-12-31 13773 2011-12-31 29086 2012-12-31 29948 2013-12-31 31506 2014-12-31 35175 2015-12-31 36257 2016-12-31 36479 2017-12-31 41854 2018-12-31 44588 2019-12-31 45970 2020-12-31 60120 2021-12-31 63208 2022-12-31 62923 2023-12-31 61243