Year Sterling (millions) 1997-12-31 2858 1998-12-31 2603 1999-12-31 3255 2000-12-31 4092 2001-12-31 5020 2002-12-31 5255 2003-12-31 4585 2004-12-31 4922 2005-12-31 5741 2006-12-31 6972 2007-12-31 6133 2008-12-31 6701 2009-12-31 5152 2010-12-31 6314 2011-12-31 5378 2012-12-31 6629 2013-12-31 8651 2014-12-31 4741 2015-12-31 7152 2016-12-31 10719 2017-12-31 9470 2018-12-31 14010 2019-12-31 11802 2020-12-31 9748 2021-12-31 9825 2022-12-31 13129 2023-12-31 15004