Year Sterling (millions) 1997-12-31 101 1998-12-31 112 1999-12-31 114 2000-12-31 103 2001-12-31 113 2002-12-31 134 2003-12-31 153 2004-12-31 149 2005-12-31 192 2006-12-31 192 2007-12-31 208 2008-12-31 175 2009-12-31 202 2010-12-31 211 2011-12-31 264 2012-12-31 286 2013-12-31 232 2014-12-31 284 2015-12-31 265 2016-12-31 384 2017-12-31 420 2018-12-31 400 2019-12-31 426 2020-12-31 514 2021-12-31 560 2022-12-31 495 2023-12-31 536