Year Sterling (millions) 1997-12-31 11964 1998-12-31 15571 1999-12-31 16383 2000-12-31 19657 2001-12-31 16013 2002-12-31 13573 2003-12-31 17672 2004-12-31 19979 2005-12-31 23276 2006-12-31 26154 2007-12-31 30306 2008-12-31 30682 2009-12-31 22445 2010-12-31 21736 2011-12-31 32584 2012-12-31 24574 2013-12-31 26465 2014-12-31 23638 2015-12-31 22706 2016-12-31 34087 2017-12-31 39378 2018-12-31 43536 2019-12-31 45745 2020-12-31 54384 2021-12-31 45892 2022-12-31 45637 2023-12-31 38397