Quarter	Sterling (millions)
1997-12-31	-865
1998-03-31	860
1998-06-30	-72
1998-09-30	-513
1998-12-31	-878
1999-03-31	485
1999-06-30	1058
1999-09-30	99
1999-12-31	899
2000-03-31	-135
2000-06-30	964
2000-09-30	-97
2000-12-31	38
2001-03-31	1036
2001-06-30	397
2001-09-30	-143
2001-12-31	-497
2002-03-31	1216
2002-06-30	-437
2002-09-30	-734
2002-12-31	-277
2003-03-31	1431
2003-06-30	-123
2003-09-30	1310
2003-12-31	1141
2004-03-31	5662
2004-06-30	757
2004-09-30	3102
2004-12-31	-5647
2005-03-31	2542
2005-06-30	4291
2005-09-30	-1267
2005-12-31	6753
2006-03-31	2278
2006-06-30	2286
2006-09-30	2237
2006-12-31	2743
2007-03-31	16364
2007-06-30	7584
2007-09-30	10309
2007-12-31	-3363
2008-03-31	9170
2008-06-30	-19670
2008-09-30	15020
2008-12-31	-33988
2009-03-31	8371
2009-06-30	-1480
2009-09-30	848
2009-12-31	4983
2010-03-31	1255
2010-06-30	4621
2010-09-30	-2306
2010-12-31	2279
2011-03-31	-6679
2011-06-30	11850
2011-09-30	-373
2011-12-31	-5583
2012-03-31	7045
2012-06-30	5617
2012-09-30	-1443
2012-12-31	4601
2013-03-31	15594
2013-06-30	-5805
2013-09-30	7802
2013-12-31	-147
2014-03-31	4277
2014-06-30	11855
2014-09-30	-309
2014-12-31	-1909
2015-03-31	10517
2015-06-30	15229
2015-09-30	657
2015-12-31	-3411
2016-03-31	24357
2016-06-30	14404
2016-09-30	-12291
2016-12-31	-2193
2017-03-31	11969
2017-06-30	7223
2017-09-30	-5523
2017-12-31	14531
2018-03-31	-1687
2018-06-30	-19365
2018-09-30	5522
2018-12-31	39991
2019-03-31	-18491
2019-06-30	-3634
2019-09-30	16297
2019-12-31	-2695
2020-03-31	28461
2020-06-30	-22556
2020-09-30	15074
2020-12-31	6285
2021-03-31	-8729
2021-06-30	-11014
2021-09-30	16802
2021-12-31	1784
2022-03-31	984
2022-06-30	383
2022-09-30	13591
2022-12-31	-29563
2023-03-31	14612
2023-06-30	13109
2023-09-30	16750
2023-12-31	18045