Year Sterling (millions) 1997-12-31 1318 1998-12-31 1351 1999-12-31 1335 2000-12-31 1257 2001-12-31 1126 2002-12-31 1126 2003-12-31 1160 2004-12-31 1190 2005-12-31 1165 2006-12-31 1175 2007-12-31 1393 2008-12-31 1121 2009-12-31 1283 2010-12-31 1253 2011-12-31 1123 2012-12-31 1278 2013-12-31 1275 2014-12-31 1416 2015-12-31 1704 2016-12-31 2005 2017-12-31 1643 2018-12-31 1531 2019-12-31 1596 2020-12-31 2110 2021-12-31 2193 2022-12-31 1871 2023-12-31 1957