Year Sterling (millions) 2004-12-31 32603 2005-12-31 33934 2006-12-31 35175 2007-12-31 37830 2008-12-31 45628 2009-12-31 41622 2010-12-31 45006 2011-12-31 51036 2012-12-31 50336 2013-12-31 51383 2014-12-31 52217 2015-12-31 52642 2016-12-31 59173 2017-12-31 59889 2018-12-31 56923 2019-12-31 57621 2020-12-31 57256 2021-12-31 55763 2022-12-31 59239