Year Sterling (millions) 1997-12-31 3629 1998-12-31 3386 1999-12-31 3637 2000-12-31 4429 2001-12-31 3966 2002-12-31 4472 2003-12-31 4686 2004-12-31 4755 2005-12-31 5304 2006-12-31 5594 2007-12-31 7038 2008-12-31 6801 2009-12-31 6686 2010-12-31 5928 2011-12-31 4152 2012-12-31 3748 2013-12-31 3349 2014-12-31 3369 2015-12-31 3314 2016-12-31 3442 2017-12-31 3347 2018-12-31 3328 2019-12-31 3345 2020-12-31 5446 2021-12-31 5365 2022-12-31 4555 2023-12-31 4121