Year Sterling (millions) 1999-12-31 42 2000-12-31 302 2001-12-31 423 2002-12-31 488 2003-12-31 621 2004-12-31 796 2005-12-31 1105 2006-12-31 1249 2007-12-31 1322 2008-12-31 1418 2009-12-31 1571 2010-12-31 1184 2011-12-31 678 2012-12-31 491 2013-12-31 339 2014-12-31 294 2015-12-31 183 2016-12-31 175 2017-12-31 230 2018-12-31 258 2019-12-31 252