Year	Sterling (millions)
1997-12-31	77
1998-12-31	37
1999-12-31	18
2000-12-31	4
2001-12-31	8
2002-12-31	7
2003-12-31	6
2004-12-31	9
2005-12-31	9
2006-12-31	11
2007-12-31	8
2008-12-31	15
2009-12-31	11
2010-12-31	9
2011-12-31	11
2012-12-31	4
2013-12-31	6
2014-12-31	3
2015-12-31	11
2016-12-31	0
2017-12-31	2
2018-12-31	0
2019-12-31	1
2020-12-31	0
2021-12-31	0
2022-12-31	0
2023-12-31	0