Quarter	Sterling (millions)
1997-12-31	-12
1998-03-31	-22
1998-06-30	-12
1998-09-30	-2
1998-12-31	8
1999-03-31	-9
1999-06-30	-76
1999-09-30	-20
1999-12-31	-74
2000-03-31	35
2000-06-30	-14
2000-09-30	-131
2000-12-31	-18
2001-03-31	-1
2001-06-30	61
2001-09-30	-35
2001-12-31	-2
2002-03-31	78
2002-06-30	37
2002-09-30	-2
2002-12-31	65
2003-03-31	61
2003-06-30	12
2003-09-30	-1
2003-12-31	-98
2004-03-31	50
2004-06-30	23
2004-09-30	2
2004-12-31	-86
2005-03-31	14
2005-06-30	-56
2005-09-30	1
2005-12-31	20
2006-03-31	-2
2006-06-30	-9
2006-09-30	77
2006-12-31	36
2007-03-31	-128
2007-06-30	87
2007-09-30	47
2007-12-31	-3
2008-03-31	47
2008-06-30	26
2008-09-30	286
2008-12-31	58
2009-03-31	20
2009-06-30	-60
2009-09-30	63
2009-12-31	27
2010-03-31	23
2010-06-30	7
2010-09-30	-44
2010-12-31	-35
2011-03-31	112
2011-06-30	101
2011-09-30	28
2011-12-31	108
2012-03-31	-69
2012-06-30	18
2012-09-30	16
2012-12-31	15
2013-03-31	-11
2013-06-30	137
2013-09-30	100
2013-12-31	-88
2014-03-31	-81
2014-06-30	4
2014-09-30	117
2014-12-31	-31
2015-03-31	124
2015-06-30	353
2015-09-30	108
2015-12-31	116
2016-03-31	501
2016-06-30	454
2016-09-30	205
2016-12-31	35
2017-03-31	163
2017-06-30	23
2017-09-30	-171
2017-12-31	108
2018-03-31	245
2018-06-30	83
2018-09-30	208
2018-12-31	154
2019-03-31	70
2019-06-30	162
2019-09-30	527
2019-12-31	412