Quarter	Sterling (millions)
1997-12-31	368
1998-03-31	-312
1998-06-30	139
1998-09-30	71
1998-12-31	240
1999-03-31	16
1999-06-30	-256
1999-09-30	257
1999-12-31	-124
2000-03-31	114
2000-06-30	-248
2000-09-30	277
2000-12-31	-26
2001-03-31	45
2001-06-30	-282
2001-09-30	311
2001-12-31	-91
2002-03-31	-159
2002-06-30	138
2002-09-30	289
2002-12-31	-360
2003-03-31	-323
2003-06-30	7
2003-09-30	81
2003-12-31	83
2004-03-31	-141
2004-06-30	319
2004-09-30	276
2004-12-31	93
2005-03-31	1120
2005-06-30	77
2005-09-30	86
2005-12-31	58
2006-03-31	-323
2006-06-30	488
2006-09-30	296
2006-12-31	-6
2007-03-31	-20
2007-06-30	310
2007-09-30	1733
2007-12-31	268
2008-03-31	712
2008-06-30	-452
2008-09-30	345
2008-12-31	63
2009-03-31	-8
2009-06-30	-1824
2009-09-30	-384
2009-12-31	-360
2010-03-31	-148
2010-06-30	-483
2010-09-30	364
2010-12-31	-377
2011-03-31	122
2011-06-30	-302
2011-09-30	788
2011-12-31	-754
2012-03-31	210
2012-06-30	-245
2012-09-30	129
2012-12-31	-238
2013-03-31	142
2013-06-30	-290
2013-09-30	652
2013-12-31	269
2014-03-31	-401
2014-06-30	-175
2014-09-30	18
2014-12-31	-89
2015-03-31	160
2015-06-30	27
2015-09-30	228
2015-12-31	-255
2016-03-31	383
2016-06-30	-151
2016-09-30	150
2016-12-31	236
2017-03-31	236
2017-06-30	-1060
2017-09-30	662
2017-12-31	297
2018-03-31	27
2018-06-30	-320
2018-09-30	442
2018-12-31	25
2019-03-31	54
2019-06-30	-21
2019-09-30	172
2019-12-31	-590
2020-03-31	958
2020-06-30	331
2020-09-30	718
2020-12-31	12
2021-03-31	257
2021-06-30	-1029
2021-09-30	320
2021-12-31	72
2022-03-31	606
2022-06-30	67
2022-09-30	160
2022-12-31	-852
2023-03-31	129
2023-06-30	-142
2023-09-30	147
2023-12-31	-1224