Year Sterling (millions) 1997-12-31 246 1998-12-31 292 1999-12-31 315 2000-12-31 392 2001-12-31 422 2002-12-31 436 2003-12-31 360 2004-12-31 450 2005-12-31 494 2006-12-31 593 2007-12-31 752 2008-12-31 549 2009-12-31 498 2010-12-31 520 2011-12-31 423 2012-12-31 376 2013-12-31 341 2014-12-31 438 2015-12-31 397 2016-12-31 372 2017-12-31 435 2018-12-31 413 2019-12-31 531