Year	Sterling (millions)
1997-12-31	24
1998-12-31	25
1999-12-31	20
2000-12-31	32
2001-12-31	15
2002-12-31	64
2003-12-31	70
2004-12-31	23
2005-12-31	13
2006-12-31	69
2007-12-31	35
2008-12-31	143
2009-12-31	52
2010-12-31	158
2011-12-31	127
2012-12-31	110
2013-12-31	53
2014-12-31	1
2015-12-31	0
2016-12-31	1
2017-12-31	0
2018-12-31	0
2019-12-31	2
2020-12-31	1
2021-12-31	0
2022-12-31	36
2023-12-31	92