Quarter	Sterling (millions)
1997-12-31	281
1998-03-31	1050
1998-06-30	-32
1998-09-30	614
1998-12-31	30
1999-03-31	-398
1999-06-30	410
1999-09-30	727
1999-12-31	-506
2000-03-31	-20
2000-06-30	254
2000-09-30	17
2000-12-31	-399
2001-03-31	-426
2001-06-30	237
2001-09-30	152
2001-12-31	-664
2002-03-31	516
2002-06-30	-675
2002-09-30	737
2002-12-31	2384
2003-03-31	-1149
2003-06-30	607
2003-09-30	655
2003-12-31	1673
2004-03-31	805
2004-06-30	-1106
2004-09-30	460
2004-12-31	39
2005-03-31	329
2005-06-30	2150
2005-09-30	824
2005-12-31	-588
2006-03-31	199
2006-06-30	1535
2006-09-30	-215
2006-12-31	-1999
2007-03-31	-101
2007-06-30	3956
2007-09-30	2428
2007-12-31	-1282
2008-03-31	886
2008-06-30	1072
2008-09-30	1713
2008-12-31	-2223
2009-03-31	-1360
2009-06-30	-1661
2009-09-30	-225
2009-12-31	-636
2010-03-31	-774
2010-06-30	-136
2010-09-30	-477
2010-12-31	-404
2011-03-31	-120
2011-06-30	-1436
2011-09-30	-15
2011-12-31	-1021
2012-03-31	-167
2012-06-30	-401
2012-09-30	170
2012-12-31	-1495
2013-03-31	114
2013-06-30	-259
2013-09-30	-269
2013-12-31	-7
2014-03-31	1158
2014-06-30	216
2014-09-30	1084
2014-12-31	1106
2015-03-31	268
2015-06-30	1050
2015-09-30	557
2015-12-31	375
2016-03-31	542
2016-06-30	82
2016-09-30	-211
2016-12-31	736
2017-03-31	-238
2017-06-30	435
2017-09-30	824
2017-12-31	401
2018-03-31	1761
2018-06-30	977
2018-09-30	438
2018-12-31	309
2019-03-31	576
2019-06-30	-1614
2019-09-30	-79
2019-12-31	-915
2020-03-31	1419
2020-06-30	3291
2020-09-30	-69
2020-12-31	-280
2021-03-31	1253
2021-06-30	-308
2021-09-30	5593
2021-12-31	-4217
2022-03-31	-462
2022-06-30	-2261
2022-09-30	-900
2022-12-31	983
2023-03-31	124
2023-06-30	-323
2023-09-30	-453
2023-12-31	144