Year Sterling (millions) 1997-12-31 10418 1998-12-31 10145 1999-12-31 9373 2000-12-31 24822 2001-12-31 15992 2002-12-31 12980 2003-12-31 14029 2004-12-31 14956 2005-12-31 16004 2006-12-31 21169 2007-12-31 24641 2008-12-31 50794 2009-12-31 53445 2010-12-31 26924 2011-12-31 26314 2012-12-31 31398 2013-12-31 30449 2014-12-31 28673 2015-12-31 31112 2016-12-31 29121 2017-12-31 28623 2018-12-31 25458 2019-12-31 27304 2020-12-31 30034 2021-12-31 32457 2022-12-31 29317 2023-12-31 23619