Year Sterling (millions) 1997-12-31 21647 1998-12-31 22927 1999-12-31 19975 2000-12-31 24341 2001-12-31 28119 2002-12-31 18177 2003-12-31 18382 2004-12-31 18200 2005-12-31 22348 2006-12-31 34075 2007-12-31 41855 2008-12-31 36246 2009-12-31 37320 2010-12-31 28582 2011-12-31 21639 2012-12-31 35794 2013-12-31 32561 2014-12-31 32184 2015-12-31 26853 2016-12-31 31874 2017-12-31 39267 2018-12-31 33566 2019-12-31 38037 2020-12-31 41032 2021-12-31 41257 2022-12-31 45819 2023-12-31 51611