Quarter	Sterling (millions)
1997-12-31	251
1998-03-31	-57
1998-06-30	27
1998-09-30	-152
1998-12-31	-53
1999-03-31	-209
1999-06-30	85
1999-09-30	173
1999-12-31	217
2000-03-31	-11
2000-06-30	466
2000-09-30	373
2000-12-31	92
2001-03-31	29
2001-06-30	186
2001-09-30	257
2001-12-31	-32
2002-03-31	118
2002-06-30	132
2002-09-30	-58
2002-12-31	349
2003-03-31	148
2003-06-30	5
2003-09-30	-14
2003-12-31	150
2004-03-31	143
2004-06-30	-87
2004-09-30	-115
2004-12-31	163
2005-03-31	263
2005-06-30	181
2005-09-30	-264
2005-12-31	351
2006-03-31	208
2006-06-30	-90
2006-09-30	259
2006-12-31	-41
2007-03-31	317
2007-06-30	22
2007-09-30	502
2007-12-31	571
2008-03-31	-165
2008-06-30	-76
2008-09-30	420
2008-12-31	-771
2009-03-31	-6
2009-06-30	-142
2009-09-30	-122
2009-12-31	243
2010-03-31	-240
2010-06-30	-144
2010-09-30	-142
2010-12-31	-171
2011-03-31	341
2011-06-30	-280
2011-09-30	-4
2011-12-31	-305
2012-03-31	-208
2012-06-30	-41
2012-09-30	-126
2012-12-31	-29
2013-03-31	-65
2013-06-30	-90
2013-09-30	-6
2013-12-31	94
2014-03-31	64
2014-06-30	37
2014-09-30	-35
2014-12-31	3
2015-03-31	-44
2015-06-30	110
2015-09-30	-78
2015-12-31	59
2016-03-31	-30
2016-06-30	47
2016-09-30	-68
2016-12-31	27
2017-03-31	60
2017-06-30	128
2017-09-30	-100
2017-12-31	-123
2018-03-31	-10
2018-06-30	-89
2018-09-30	-3
2018-12-31	176
2019-03-31	7
2019-06-30	37
2019-09-30	-127
2019-12-31	106
2020-03-31	213
2020-06-30	990
2020-09-30	467
2020-12-31	425
2021-03-31	245
2021-06-30	-127
2021-09-30	-87
2021-12-31	-65
2022-03-31	-97
2022-06-30	-265
2022-09-30	-182
2022-12-31	-282
2023-03-31	-93
2023-06-30	-217
2023-09-30	-144
2023-12-31	22