Year Sterling (millions) 1998-12-31 1236 1999-12-31 1481 2000-12-31 1523 2001-12-31 1606 2002-12-31 2094 2003-12-31 2460 2004-12-31 2053 2005-12-31 2282 2006-12-31 2531 2007-12-31 3157 2008-12-31 4060 2009-12-31 3498 2010-12-31 3967 2011-12-31 3546 2012-12-31 3045 2013-12-31 3427 2014-12-31 3193 2015-12-31 2947 2016-12-31 3565 2017-12-31 3291 2018-12-31 4203 2019-12-31 4981 2020-12-31 4946 2021-12-31 5213 2022-12-31 5385