Year	Sterling (millions)
1997-12-31	85
1998-12-31	46
1999-12-31	23
2000-12-31	8
2001-12-31	10
2002-12-31	10
2003-12-31	10
2004-12-31	17
2005-12-31	12
2006-12-31	17
2007-12-31	12
2008-12-31	17
2009-12-31	13
2010-12-31	12
2011-12-31	12
2012-12-31	6
2013-12-31	10
2014-12-31	7
2015-12-31	14
2016-12-31	3
2017-12-31	4
2018-12-31	3
2019-12-31	2