Quarter	Sterling (millions)
1997-12-31	384
1998-03-31	-218
1998-06-30	458
1998-09-30	466
1998-12-31	733
1999-03-31	-338
1999-06-30	404
1999-09-30	104
1999-12-31	35
2000-03-31	-707
2000-06-30	-284
2000-09-30	79
2000-12-31	-132
2001-03-31	-2224
2001-06-30	-32
2001-09-30	-222
2001-12-31	-202
2002-03-31	-231
2002-06-30	35
2002-09-30	-1
2002-12-31	-186
2003-03-31	-142
2003-06-30	69
2003-09-30	-26
2003-12-31	-24
2004-03-31	18
2004-06-30	-25
2004-09-30	-17
2004-12-31	-14
2005-03-31	23
2005-06-30	17
2005-09-30	-8
2005-12-31	-42
2006-03-31	65
2006-06-30	116
2006-09-30	-21
2006-12-31	-22
2007-03-31	-9
2007-06-30	-77
2007-09-30	-18
2007-12-31	9
2008-03-31	-11
2008-06-30	1
2008-09-30	1
2008-12-31	-1
2009-03-31	-1
2009-06-30	0
2009-09-30	1
2009-12-31	-1
2010-03-31	1
2010-06-30	-1
2010-09-30	9
2010-12-31	8
2011-03-31	2
2011-06-30	-19
2011-09-30	63
2011-12-31	0
2012-03-31	168
2012-06-30	-76
2012-09-30	-6
2012-12-31	18
2013-03-31	-54
2013-06-30	-113
2013-09-30	1
2013-12-31	62
2014-03-31	27
2014-06-30	-19
2014-09-30	-50
2014-12-31	147
2015-03-31	9
2015-06-30	12
2015-09-30	135
2015-12-31	-3
2016-03-31	84
2016-06-30	182
2016-09-30	-107
2016-12-31	-255
2017-03-31	15
2017-06-30	7
2017-09-30	-110
2017-12-31	-115
2018-03-31	93
2018-06-30	-139
2018-09-30	-71
2018-12-31	2
2019-03-31	-42
2019-06-30	-48
2019-09-30	-12
2019-12-31	-16