Year Sterling (millions) 1997-12-31 12602 1998-12-31 12860 1999-12-31 14248 2000-12-31 16167 2001-12-31 16604 2002-12-31 18200 2003-12-31 20335 2004-12-31 22736 2005-12-31 24062 2006-12-31 26713 2007-12-31 30312 2008-12-31 30592 2009-12-31 32031 2010-12-31 31575 2011-12-31 26626 2012-12-31 26374 2013-12-31 28042 2014-12-31 27541 2015-12-31 28493 2016-12-31 30430 2017-12-31 32458 2018-12-31 33484 2019-12-31 34643 2020-12-31 39237 2021-12-31 42964 2022-12-31 44625 2023-12-31 43434