Quarter	Sterling (millions)
1998-03-31	193
1998-06-30	-193
1998-09-30	65
1998-12-31	-151
1999-03-31	-11
1999-06-30	11
1999-09-30	-33
1999-12-31	-33
2000-03-31	77
2000-06-30	-7
2000-09-30	0
2000-12-31	-75
2001-03-31	530
2001-06-30	-114
2001-09-30	196
2001-12-31	-417
2002-03-31	-77
2002-06-30	-125
2002-09-30	-1
2002-12-31	40
2003-03-31	0
2003-06-30	48
2003-09-30	-10
2003-12-31	16
2004-03-31	24
2004-06-30	-88
2004-09-30	30
2004-12-31	40
2005-03-31	431
2005-06-30	-249
2005-09-30	107
2005-12-31	361
2006-03-31	-404
2006-06-30	-39
2006-09-30	1005
2006-12-31	-472
2007-03-31	-233
2007-06-30	1
2007-09-30	-460
2007-12-31	-19
2008-03-31	31
2008-06-30	-48
2008-09-30	304
2008-12-31	-317
2009-03-31	339
2009-06-30	-165
2009-09-30	-88
2009-12-31	-35
2010-03-31	-3
2010-06-30	21
2010-09-30	-32
2010-12-31	-3
2011-03-31	1880
2011-06-30	-480
2011-09-30	-242
2011-12-31	627
2012-03-31	-315
2012-06-30	754
2012-09-30	-454
2012-12-31	-762
2013-03-31	14
2013-06-30	242
2013-09-30	-190
2013-12-31	-43
2014-03-31	312
2014-06-30	-240
2014-09-30	82
2014-12-31	163
2015-03-31	-27
2015-06-30	35
2015-09-30	-117
2015-12-31	134
2016-03-31	-114
2016-06-30	487
2016-09-30	-425
2016-12-31	-71
2017-03-31	-92
2017-06-30	271
2017-09-30	16
2017-12-31	-130
2018-03-31	113
2018-06-30	311
2018-09-30	-54
2018-12-31	-67