Year Sterling (millions) 1997-12-31 6899 1998-12-31 5808 1999-12-31 4246 2000-12-31 3994 2001-12-31 1531 2002-12-31 1420 2003-12-31 341 2004-12-31 468 2005-12-31 697 2006-12-31 805 2007-12-31 874 2008-12-31 531 2009-12-31 733 2010-12-31 738 2011-12-31 261 2012-12-31 157 2013-12-31 2 2014-12-31 1 2015-12-31 1 2016-12-31 0 2017-12-31 0 2018-12-31 0 2019-12-31 2 2020-12-31 20 2021-12-31 7 2022-12-31 32 2023-12-31 8