Quarter	Sterling (millions), Seasonally adjusted
1987-12-31	14055
1988-03-31	16541
1988-06-30	18146
1988-09-30	16517
1988-12-31	13939
1989-03-31	12844
1989-06-30	13768
1989-09-30	16229
1989-12-31	16541
1990-03-31	16467
1990-06-30	12781
1990-09-30	13143
1990-12-31	14759
1991-03-31	13423
1991-06-30	13879
1991-09-30	13837
1991-12-31	13744
1992-03-31	12828
1992-06-30	11644
1992-09-30	11171
1992-12-31	9627
1993-03-31	12001
1993-06-30	12579
1993-09-30	12173
1993-12-31	11801
1994-03-31	13274
1994-06-30	13196
1994-09-30	13295
1994-12-31	13375
1995-03-31	13083
1995-06-30	12339
1995-09-30	12540
1995-12-31	13614
1996-03-31	14084
1996-06-30	15766
1996-09-30	16689
1996-12-31	17825
1997-03-31	16929
1997-06-30	17314
1997-09-30	17762
1997-12-31	18077
1998-03-31	19720
1998-06-30	20594
1998-09-30	21556
1998-12-31	20915
1999-03-31	24306
1999-06-30	27348
1999-09-30	28133
1999-12-31	25796
2000-03-31	26348
2000-06-30	26175
2000-09-30	26003
2000-12-31	30252
2001-03-31	34440
2001-06-30	38201
2001-09-30	39950
2001-12-31	41680
2002-03-31	51368
2002-06-30	51679
2002-09-30	52624
2002-12-31	57684
2003-03-31	55013
2003-06-30	58293
2003-09-30	68235
2003-12-31	69117
2004-03-31	66139
2004-06-30	65616
2004-09-30	58939
2004-12-31	53142
2005-03-31	57176
2005-06-30	59898
2005-09-30	68518
2005-12-31	70142
2006-03-31	69755
2006-06-30	73313
2006-09-30	75956
2006-12-31	77970
2007-03-31	77365
2007-06-30	77141
2007-09-30	75471
2007-12-31	64425
2008-03-31	70805
2008-06-30	54960
2008-09-30	41779
2008-12-31	32402
2009-03-31	28336
2009-06-30	32040
2009-09-30	35067
2009-12-31	33464
2010-03-31	30747
2010-06-30	32639
2010-09-30	31392
2010-12-31	29931
2011-03-31	31588
2011-06-30	30515
2011-09-30	33759
2011-12-31	33597
2012-03-31	34403
2012-06-30	33500
2012-09-30	31832
2012-12-31	33322
2013-03-31	33889
2013-06-30	38633
2013-09-30	42614
2013-12-31	47873
2014-03-31	47701
2014-06-30	44079
2014-09-30	44272
2014-12-31	41734
2015-03-31	43681
2015-06-30	50779
2015-09-30	55247
2015-12-31	54745
2016-03-31	57960
2016-06-30	56609
2016-09-30	54071
2016-12-31	59555
2017-03-31	60231
2017-06-30	58527
2017-09-30	59826
2017-12-31	61610
2018-03-31	58663
2018-06-30	60183
2018-09-30	60765
2018-12-31	60482
2019-03-31	60834
2019-06-30	61204
2019-09-30	62839
2019-12-31	64796