Quarter	Sterling (millions)
1986-12-31	530
1987-03-31	622
1987-06-30	755
1987-09-30	1208
1987-12-31	912
1988-03-31	1337
1988-06-30	-417
1988-09-30	2071
1988-12-31	-271
1989-03-31	1780
1989-06-30	448
1989-09-30	337
1989-12-31	574
1990-03-31	2658
1990-06-30	585
1990-09-30	1054
1990-12-31	-2517
1991-03-31	912
1991-06-30	-1672
1991-09-30	-1237
1991-12-31	1528
1992-03-31	1270
1992-06-30	-2024
1992-09-30	-928
1992-12-31	473
1993-03-31	511
1993-06-30	-2044
1993-09-30	-699
1993-12-31	761
1994-03-31	1560
1994-06-30	2030
1994-09-30	1029
1994-12-31	1625
1995-03-31	59
1995-06-30	845
1995-09-30	24
1995-12-31	-1661
1996-03-31	393
1996-06-30	840
1996-09-30	2768
1996-12-31	1925
1997-03-31	46
1997-06-30	1386
1997-09-30	1017
1997-12-31	2076
1998-03-31	3992
1998-06-30	3201
1998-09-30	690
1998-12-31	3367
1999-03-31	-1134
1999-06-30	-663
1999-09-30	1480
1999-12-31	6182
2000-03-31	-2032
2000-06-30	1521
2000-09-30	-3437
2000-12-31	7383
2001-03-31	-146
2001-06-30	120
2001-09-30	-538
2001-12-31	-1353
2002-03-31	5108
2002-06-30	-4109
2002-09-30	5157
2002-12-31	1423
2003-03-31	-1478
2003-06-30	8390
2003-09-30	-5767
2003-12-31	3408
2004-03-31	1615
2004-06-30	-1175
2004-09-30	-5647
2004-12-31	2951
2005-03-31	293
2005-06-30	-7735
2005-09-30	5536
2005-12-31	-512
2006-03-31	1559
2006-06-30	4212
2006-09-30	1027
2006-12-31	-2134
2007-03-31	5127
2007-06-30	-2931
2007-09-30	10320
2007-12-31	3517
2008-03-31	1522
2008-06-30	4816
2008-09-30	-7124
2008-12-31	4114
2009-03-31	1890
2009-06-30	-5224
2009-09-30	-6709
2009-12-31	-12745
2010-03-31	-2586
2010-06-30	-3552
2010-09-30	5129
2010-12-31	-6845
2011-03-31	-1634
2011-06-30	33
2011-09-30	-4552
2011-12-31	-2737
2012-03-31	7585
2012-06-30	-535
2012-09-30	-61
2012-12-31	-2945
2013-03-31	-565
2013-06-30	1797
2013-09-30	-3749
2013-12-31	1532
2014-03-31	1890
2014-06-30	3963
2014-09-30	2872
2014-12-31	1437
2015-03-31	3261
2015-06-30	1087
2015-09-30	304
2015-12-31	1810
2016-03-31	1916
2016-06-30	5328
2016-09-30	11262
2016-12-31	3976
2017-03-31	12255
2017-06-30	-1793
2017-09-30	1204
2017-12-31	1498
2018-03-31	4160
2018-06-30	-3229
2018-09-30	-7958
2018-12-31	-11085
2019-03-31	5881
2019-06-30	-900
2019-09-30	3767
2019-12-31	936