Quarter	Sterling (millions)
1997-12-31	289
1998-03-31	-128
1998-06-30	-193
1998-09-30	-32
1998-12-31	113
1999-03-31	54
1999-06-30	-5
1999-09-30	-250
1999-12-31	95
2000-03-31	-227
2000-06-30	92
2000-09-30	88
2000-12-31	16
2001-03-31	170
2001-06-30	-58
2001-09-30	55
2001-12-31	66
2002-03-31	-109
2002-06-30	102
2002-09-30	-58
2002-12-31	-86
2003-03-31	50
2003-06-30	42
2003-09-30	140
2003-12-31	305
2004-03-31	-69
2004-06-30	8
2004-09-30	-648
2004-12-31	-109
2005-03-31	6
2005-06-30	-70
2005-09-30	78
2005-12-31	-77
2006-03-31	14
2006-06-30	-52
2006-09-30	178
2006-12-31	-144
2007-03-31	-36
2007-06-30	31
2007-09-30	-13
2007-12-31	83
2008-03-31	-15
2008-06-30	-17
2008-09-30	129
2008-12-31	387
2009-03-31	101
2009-06-30	-9
2009-09-30	-81
2009-12-31	35
2010-03-31	537
2010-06-30	-527
2010-09-30	502
2010-12-31	-95
2011-03-31	-148
2011-06-30	-350
2011-09-30	1141
2011-12-31	-53
2012-03-31	216
2012-06-30	-1682
2012-09-30	184
2012-12-31	77
2013-03-31	249
2013-06-30	11
2013-09-30	109
2013-12-31	-128
2014-03-31	-411
2014-06-30	386
2014-09-30	118
2014-12-31	297
2015-03-31	147
2015-06-30	34
2015-09-30	-148
2015-12-31	340
2016-03-31	258
2016-06-30	-21
2016-09-30	37
2016-12-31	-3
2017-03-31	-327
2017-06-30	419
2017-09-30	206
2017-12-31	464
2018-03-31	-513
2018-06-30	345
2018-09-30	173
2018-12-31	3161
2019-03-31	-86
2019-06-30	270
2019-09-30	121
2019-12-31	112
2020-03-31	508
2020-06-30	-169
2020-09-30	-117
2020-12-31	757