Year Sterling (millions) 1997-12-31 52 1998-12-31 6 1999-12-31 23 2000-12-31 45 2001-12-31 6 2002-12-31 20 2003-12-31 10 2004-12-31 10 2005-12-31 39 2006-12-31 88 2007-12-31 90 2008-12-31 94 2009-12-31 75 2010-12-31 11 2011-12-31 9 2012-12-31 3 2013-12-31 2 2014-12-31 2 2015-12-31 2 2016-12-31 1 2017-12-31 3 2018-12-31 3 2019-12-31 3 2020-12-31 3 2021-12-31 1 2022-12-31 11 2023-12-31 5