Year	Sterling (millions)
1997-12-31	522
1998-12-31	626
1999-12-31	499
2000-12-31	356
2001-12-31	470
2002-12-31	562
2003-12-31	63
2004-12-31	76
2005-12-31	89
2006-12-31	123
2007-12-31	805
2008-12-31	595
2009-12-31	293
2010-12-31	150
2011-12-31	73
2012-12-31	36
2013-12-31	1
2014-12-31	0
2015-12-31	3
2016-12-31	4
2017-12-31	5
2018-12-31	4
2019-12-31	5
2020-12-31	4
2021-12-31	4
2022-12-31	0
2023-12-31	0