Quarter	Sterling (millions)
1997-12-31	2
1998-03-31	-11
1998-06-30	13
1998-09-30	-14
1998-12-31	15
1999-03-31	-9
1999-06-30	11
1999-09-30	17
1999-12-31	6
2000-03-31	9
2000-06-30	22
2000-09-30	-14
2000-12-31	24
2001-03-31	-2
2001-06-30	16
2001-09-30	14
2001-12-31	30
2002-03-31	-36
2002-06-30	9
2002-09-30	2
2002-12-31	5
2003-03-31	-20
2003-06-30	8
2003-09-30	25
2003-12-31	-7
2004-03-31	-39
2004-06-30	-7
2004-09-30	2
2004-12-31	-13
2005-03-31	-32
2005-06-30	6
2005-09-30	-4
2005-12-31	13
2006-03-31	83
2006-06-30	-78
2006-09-30	27
2006-12-31	11
2007-03-31	-13
2007-06-30	-2
2007-09-30	-3
2007-12-31	5
2008-03-31	11
2008-06-30	-61
2008-09-30	4
2008-12-31	-3
2009-03-31	-17
2009-06-30	9
2009-09-30	-15
2009-12-31	14
2010-03-31	-9
2010-06-30	-14
2010-09-30	-7
2010-12-31	-3
2011-03-31	-16
2011-06-30	-23
2011-09-30	10
2011-12-31	0
2012-03-31	-7
2012-06-30	-9
2012-09-30	14
2012-12-31	4
2013-03-31	-31
2013-06-30	-9
2013-09-30	-6
2013-12-31	-8
2014-03-31	0
2014-06-30	23
2014-09-30	1
2014-12-31	-11
2015-03-31	-2
2015-06-30	-5
2015-09-30	7
2015-12-31	-14
2016-03-31	22
2016-06-30	40
2016-09-30	-12
2016-12-31	27
2017-03-31	-4
2017-06-30	-11
2017-09-30	7
2017-12-31	10
2018-03-31	-4
2018-06-30	-4
2018-09-30	49
2018-12-31	14
2019-03-31	-17
2019-06-30	-30
2019-09-30	18
2019-12-31	-20
2020-03-31	3
2020-06-30	20
2020-09-30	8
2020-12-31	15
2021-03-31	15
2021-06-30	4
2021-09-30	6
2021-12-31	-20
2022-03-31	-10
2022-06-30	3
2022-09-30	18
2022-12-31	0
2023-03-31	-15
2023-06-30	-13
2023-09-30	15
2023-12-31	-4