Quarter	Sterling (millions)
1999-03-31	0
1999-06-30	0
1999-09-30	0
1999-12-31	0
2000-03-31	0
2000-06-30	0
2000-09-30	0
2000-12-31	0
2001-03-31	0
2001-06-30	0
2001-09-30	0
2001-12-31	0
2002-03-31	0
2002-06-30	0
2002-09-30	0
2002-12-31	1
2003-03-31	0
2003-06-30	0
2003-09-30	0
2003-12-31	0
2004-03-31	-1
2004-06-30	0
2004-09-30	0
2004-12-31	2
2005-03-31	0
2005-06-30	1
2005-09-30	-1
2005-12-31	2
2006-03-31	-3
2006-06-30	-1
2006-09-30	0
2006-12-31	0
2007-03-31	-11
2007-06-30	1
2007-09-30	2
2007-12-31	0
2008-03-31	2
2008-06-30	3
2008-09-30	10
2008-12-31	10
2009-03-31	-2
2009-06-30	0
2009-09-30	-1
2009-12-31	1
2010-03-31	-6
2010-06-30	-6
2010-09-30	-6
2010-12-31	1
2011-03-31	1
2011-06-30	0
2011-09-30	1
2011-12-31	2
2012-03-31	1
2012-06-30	2
2012-09-30	-3
2012-12-31	5
2013-03-31	-2
2013-06-30	1
2013-09-30	-1
2013-12-31	-6
2014-03-31	-4
2014-06-30	-1
2014-09-30	0
2014-12-31	-3
2015-03-31	1
2015-06-30	0
2015-09-30	2
2015-12-31	22
2016-03-31	-13
2016-06-30	8
2016-09-30	-4
2016-12-31	4
2017-03-31	4
2017-06-30	-19
2017-09-30	8
2017-12-31	-7
2018-03-31	1
2018-06-30	-3
2018-09-30	33
2018-12-31	-31
2019-03-31	-1
2019-06-30	1
2019-09-30	11
2019-12-31	42
2020-03-31	19
2020-06-30	-26
2020-09-30	6
2020-12-31	16
2021-03-31	-31
2021-06-30	-51
2021-09-30	-11
2021-12-31	4
2022-03-31	-1
2022-06-30	-7
2022-09-30	22
2022-12-31	15
2023-03-31	46
2023-06-30	9
2023-09-30	-8
2023-12-31	1