Year	Sterling (millions)
1997-12-31	19
1998-12-31	14
1999-12-31	11
2000-12-31	4
2001-12-31	0
2002-12-31	0
2003-12-31	0
2004-12-31	127
2005-12-31	127
2006-12-31	0
2007-12-31	0
2008-12-31	2
2009-12-31	1
2010-12-31	1
2011-12-31	1
2012-12-31	0
2013-12-31	0
2014-12-31	0
2015-12-31	0
2016-12-31	0
2017-12-31	0
2018-12-31	0
2019-12-31	1
2020-12-31	1
2021-12-31	1
2022-12-31	1
2023-12-31	0