Year Sterling (millions) 1997-12-31 4183 1998-12-31 2455 1999-12-31 1913 2000-12-31 2525 2001-12-31 2747 2002-12-31 3146 2003-12-31 2354 2004-12-31 4989 2005-12-31 5136 2006-12-31 7712 2007-12-31 7529 2008-12-31 3900 2009-12-31 6865 2010-12-31 10130 2011-12-31 6936 2012-12-31 2162 2013-12-31 2381 2014-12-31 2429 2015-12-31 3749 2016-12-31 3931 2017-12-31 4449 2018-12-31 5378 2019-12-31 5534 2020-12-31 6603 2021-12-31 6601 2022-12-31 5313 2023-12-31 5172