Year Sterling (millions) 1997-12-31 19324 1998-12-31 15288 1999-12-31 13155 2000-12-31 17596 2001-12-31 17626 2002-12-31 17855 2003-12-31 14377 2004-12-31 21026 2005-12-31 28754 2006-12-31 35089 2007-12-31 36033 2008-12-31 37969 2009-12-31 34202 2010-12-31 41559 2011-12-31 34399 2012-12-31 35622 2013-12-31 37279 2014-12-31 25316 2015-12-31 25261 2016-12-31 28388 2017-12-31 34138 2018-12-31 37883 2019-12-31 37419 2020-12-31 40260 2021-12-31 44560 2022-12-31 50426 2023-12-31 40792