Year Sterling (millions) 1997-12-31 7316 1998-12-31 7667 1999-12-31 8161 2000-12-31 8249 2001-12-31 8786 2002-12-31 9308 2003-12-31 9999 2004-12-31 12439 2005-12-31 15275 2006-12-31 18667 2007-12-31 22099 2008-12-31 23618 2009-12-31 24618 2010-12-31 26014 2011-12-31 24810 2012-12-31 25321 2013-12-31 23399 2014-12-31 21750 2015-12-31 23098 2016-12-31 22713 2017-12-31 22914 2018-12-31 22988 2019-12-31 22568 2020-12-31 23755 2021-12-31 22788 2022-12-31 21682 2023-12-31 21676