Quarter	Sterling (millions)
1997-12-31	1
1998-03-31	-3
1998-06-30	1
1998-09-30	2
1998-12-31	-14
1999-03-31	9
1999-06-30	4
1999-09-30	-12
1999-12-31	-2
2000-03-31	9
2000-06-30	-6
2000-09-30	5
2000-12-31	-5
2001-03-31	3
2001-06-30	1
2001-09-30	-4
2001-12-31	5
2002-03-31	4
2002-06-30	-1
2002-09-30	-3
2002-12-31	7
2003-03-31	5
2003-06-30	2
2003-09-30	11
2003-12-31	7
2004-03-31	16
2004-06-30	14
2004-09-30	15
2004-12-31	6
2005-03-31	16
2005-06-30	-18
2005-09-30	85
2005-12-31	-78
2006-03-31	368
2006-06-30	47
2006-09-30	75
2006-12-31	35
2007-03-31	51
2007-06-30	84
2007-09-30	-24
2007-12-31	-363
2008-03-31	-17
2008-06-30	257
2008-09-30	-301
2008-12-31	14
2009-03-31	1
2009-06-30	-51
2009-09-30	83
2009-12-31	-44
2010-03-31	-51
2010-06-30	-9
2010-09-30	32
2010-12-31	-31
2011-03-31	-41
2011-06-30	13
2011-09-30	-30
2011-12-31	-32
2012-03-31	20
2012-06-30	136
2012-09-30	-39
2012-12-31	-33
2013-03-31	-20
2013-06-30	-17
2013-09-30	-20
2013-12-31	-14
2014-03-31	8
2014-06-30	-9
2014-09-30	-15
2014-12-31	9
2015-03-31	-38
2015-06-30	-26
2015-09-30	-13
2015-12-31	-28
2016-03-31	-7
2016-06-30	-13
2016-09-30	-10
2016-12-31	10
2017-03-31	-2
2017-06-30	-19
2017-09-30	-1
2017-12-31	13
2018-03-31	-4
2018-06-30	-3
2018-09-30	-5
2018-12-31	7
2019-03-31	-6
2019-06-30	5
2019-09-30	-13
2019-12-31	-14
2020-03-31	-23
2020-06-30	-13
2020-09-30	0
2020-12-31	6
2021-03-31	-6
2021-06-30	1
2021-09-30	-11
2021-12-31	0
2022-03-31	0
2022-06-30	-2
2022-09-30	-5
2022-12-31	3
2023-03-31	-4
2023-06-30	-12
2023-09-30	-23
2023-12-31	16