Quarter	Sterling (millions)
1997-12-31	0
1998-03-31	-1
1998-06-30	-1
1998-09-30	-2
1998-12-31	9
1999-03-31	-5
1999-06-30	6
1999-09-30	-2
1999-12-31	1
2000-03-31	-2
2000-06-30	13
2000-09-30	4
2000-12-31	-9
2001-03-31	-2
2001-06-30	2
2001-09-30	-2
2001-12-31	0
2002-03-31	1
2002-06-30	2
2002-09-30	-2
2002-12-31	-1
2003-03-31	12
2003-06-30	4
2003-09-30	19
2003-12-31	2
2004-03-31	2
2004-06-30	0
2004-09-30	0
2004-12-31	-1
2005-03-31	-10
2005-06-30	-2
2005-09-30	2
2005-12-31	-2
2006-03-31	0
2006-06-30	15
2006-09-30	1
2006-12-31	-1
2007-03-31	32
2007-06-30	-27
2007-09-30	16
2007-12-31	-1
2008-03-31	-1
2008-06-30	-2
2008-09-30	38
2008-12-31	14
2009-03-31	4
2009-06-30	-7
2009-09-30	-9
2009-12-31	-5
2010-03-31	2
2010-06-30	1
2010-09-30	-11
2010-12-31	0
2011-03-31	-3
2011-06-30	-7
2011-09-30	-3
2011-12-31	5
2012-03-31	-51
2012-06-30	8
2012-09-30	46
2012-12-31	-3
2013-03-31	-17
2013-06-30	-6
2013-09-30	3
2013-12-31	-49
2014-03-31	4
2014-06-30	-8
2014-09-30	-8
2014-12-31	8
2015-03-31	-3
2015-06-30	8
2015-09-30	-25
2015-12-31	-11
2016-03-31	5
2016-06-30	10
2016-09-30	6
2016-12-31	15
2017-03-31	-9
2017-06-30	-19
2017-09-30	34
2017-12-31	-8
2018-03-31	11
2018-06-30	3
2018-09-30	-7
2018-12-31	56
2019-03-31	-50
2019-06-30	-25
2019-09-30	40
2019-12-31	41
2020-03-31	25
2020-06-30	-22
2020-09-30	-61
2020-12-31	10
2021-03-31	17
2021-06-30	11
2021-09-30	-21
2021-12-31	0
2022-03-31	-1
2022-06-30	3
2022-09-30	38
2022-12-31	-34
2023-03-31	-3
2023-06-30	89
2023-09-30	398
2023-12-31	-47