Year Sterling (millions) 1997-12-31 545 1998-12-31 563 1999-12-31 408 2000-12-31 403 2001-12-31 528 2002-12-31 190 2003-12-31 192 2004-12-31 453 2005-12-31 187 2006-12-31 254 2007-12-31 489 2008-12-31 376 2009-12-31 498 2010-12-31 263 2011-12-31 837 2012-12-31 651 2013-12-31 544 2014-12-31 1155 2015-12-31 727 2016-12-31 1639 2017-12-31 1628 2018-12-31 1369 2019-12-31 2677 2020-12-31 5424 2021-12-31 6370 2022-12-31 8029 2023-12-31 6217