Quarter	Sterling (millions)
1997-12-31	-213
1998-03-31	388
1998-06-30	-18
1998-09-30	218
1998-12-31	206
1999-03-31	-480
1999-06-30	203
1999-09-30	-30
1999-12-31	-111
2000-03-31	317
2000-06-30	-97
2000-09-30	20
2000-12-31	290
2001-03-31	61
2001-06-30	334
2001-09-30	-417
2001-12-31	-141
2002-03-31	-27
2002-06-30	-255
2002-09-30	17
2002-12-31	36
2003-03-31	143
2003-06-30	-234
2003-09-30	-94
2003-12-31	101
2004-03-31	-98
2004-06-30	2
2004-09-30	41
2004-12-31	30
2005-03-31	131
2005-06-30	-65
2005-09-30	51
2005-12-31	-5
2006-03-31	31
2006-06-30	21
2006-09-30	127
2006-12-31	-305
2007-03-31	914
2007-06-30	137
2007-09-30	157
2007-12-31	42
2008-03-31	575
2008-06-30	-115
2008-09-30	-128
2008-12-31	-1219
2009-03-31	270
2009-06-30	-88
2009-09-30	67
2009-12-31	120
2010-03-31	-352
2010-06-30	-130
2010-09-30	-26
2010-12-31	-185
2011-03-31	-26
2011-06-30	-178
2011-09-30	235
2011-12-31	-52
2012-03-31	-52
2012-06-30	-102
2012-09-30	-79
2012-12-31	25
2013-03-31	-153
2013-06-30	-175
2013-09-30	-172
2013-12-31	326
2014-03-31	94
2014-06-30	-116
2014-09-30	-112
2014-12-31	-302
2015-03-31	22
2015-06-30	-115
2015-09-30	-13
2015-12-31	50
2016-03-31	-157
2016-06-30	88
2016-09-30	-125
2016-12-31	21
2017-03-31	-77
2017-06-30	208
2017-09-30	-162
2017-12-31	88
2018-03-31	-24
2018-06-30	122
2018-09-30	-60
2018-12-31	-339
2019-03-31	-14
2019-06-30	89
2019-09-30	-83
2019-12-31	-34
2020-03-31	438
2020-06-30	-299
2020-09-30	97
2020-12-31	-66