Year Sterling (millions) 1997-12-31 37 1998-12-31 6 1999-12-31 1 2000-12-31 3 2001-12-31 3 2002-12-31 1 2003-12-31 1 2004-12-31 3 2005-12-31 27 2006-12-31 60 2007-12-31 80 2008-12-31 82 2009-12-31 67 2010-12-31 1 2011-12-31 1 2012-12-31 2 2013-12-31 1 2014-12-31 1 2015-12-31 1 2016-12-31 0 2017-12-31 2 2018-12-31 2 2019-12-31 2 2020-12-31 2 2021-12-31 0 2022-12-31 0 2023-12-31 4