Quarter	Percent, Seasonally Adjusted
1986-01-01	88.4355812386384
1986-04-01	88.0841949194511
1986-07-01	87.5689860457686
1986-10-01	86.9305084527544
1987-01-01	87.4487148858584
1987-04-01	87.0078055902412
1987-07-01	87.0600807972790
1987-10-01	86.2717784183846
1988-01-01	85.4733054682821
1988-04-01	85.1124870376657
1988-07-01	84.2859976050806
1988-10-01	84.3150090231398
1989-01-01	84.1718266018446
1989-04-01	83.7351937965399
1989-07-01	83.3908544581765
1989-10-01	83.0648240150779
1990-01-01	82.9852851134754
1990-04-01	83.4822239138473
1990-07-01	83.0762163530767
1990-10-01	83.3154051336515
1991-01-01	82.9930342863471
1991-04-01	83.0767874132474
1991-07-01	83.1394409157318
1991-10-01	82.7612148881511
1992-01-01	82.9618573695360
1992-04-01	82.6920879081536
1992-07-01	82.2490555988059
1992-10-01	82.0207018916109
1993-01-01	82.2869694993394
1993-04-01	82.8046224669868
1993-07-01	82.3782246793232
1993-10-01	82.8957056801426
1994-01-01	82.7025543582856
1994-04-01	83.3055277785613
1994-07-01	83.2755999456244
1994-10-01	83.1560914561837
1995-01-01	83.3895057758125
1995-04-01	83.5025391326833
1995-07-01	83.7349754257176
1995-10-01	83.9969069262389
1996-01-01	83.8542543085704
1996-04-01	83.7292075143444
1996-07-01	84.2373743864116
1996-10-01	83.9186608082058
1997-01-01	83.6650810740244
1997-04-01	83.9927942561468
1997-07-01	84.0708690771963
1997-10-01	84.1392405281240
1998-01-01	83.9214659638768
1998-04-01	83.5529107812681
1998-07-01	83.1448899814780
1998-10-01	82.7935391813509
1999-01-01	83.0728372607469
1999-04-01	82.6754973482165
1999-07-01	82.9304767008499
1999-10-01	83.2735873356695
2000-01-01	83.0230288929718
2000-04-01	82.6037191658856
2000-07-01	83.2619560619594
2000-10-01	83.5500129496517
2001-01-01	83.1909853338244
2001-04-01	82.9208333923838
2001-07-01	83.3257019838666
2001-10-01	83.6128605433772
2002-01-01	84.5252780755883
2002-04-01	83.6174443157228
2002-07-01	83.8821991374358
2002-10-01	83.4206907123814
2003-01-01	83.2591272652038
2003-04-01	82.7359953274617
2003-07-01	83.0150808957100
2003-10-01	82.8009484302884
2004-01-01	82.8906144988931
2004-04-01	83.6245723284299
2004-07-01	83.7468813971332
2004-10-01	84.4140777662612
2005-01-01	84.2885532933771
2005-04-01	83.8556083828831
2005-07-01	84.4979970552015
2005-10-01	84.8013045223669
2006-01-01	85.1453254757881
2006-04-01	84.9216298244809
2006-07-01	84.9497201173432
2006-10-01	84.9055158826284
2007-01-01	85.0256094296687
2007-04-01	84.6796919121304
2007-07-01	85.1202271882074
2007-10-01	84.7945579299213
2008-01-01	83.7483807631136
2008-04-01	84.6384841690732
2008-07-01	84.3012085055297
2008-10-01	84.6268561907686
2009-01-01	83.5940337929154
2009-04-01	84.2702120263634
2009-07-01	83.2741570681444
2009-10-01	83.5738545877639
2010-01-01	82.9647048913917
2010-04-01	83.5216607755894
2010-07-01	83.6280083722297
2010-10-01	83.0535912060501
2011-01-01	83.2968924641442
2011-04-01	83.1511742823168
2011-07-01	83.3742897461065
2011-10-01	83.2543644693599
2012-01-01	83.7121211406410
2012-04-01	82.8516130831320
2012-07-01	82.7136817127808
2012-10-01	81.6141299726766
2013-01-01	81.9140230850924
2013-04-01	82.6143043488260
2013-07-01	83.1129864037511
2013-10-01	83.3257744467701
2014-01-01	83.7230054997040
2014-04-01	83.8757330791531
2014-07-01	83.6438116942658
2014-10-01	84.0904361694068
2015-01-01	84.6445818577119
2015-04-01	84.1442716527370
2015-07-01	83.4669369275439
2015-10-01	83.4544905986342
2016-01-01	84.0594403371427
2016-04-01	84.7892396725729
2016-07-01	85.2926391493406
2016-10-01	85.6851340438938
2017-01-01	85.9112732929791
2017-04-01	85.3627117223239
2017-07-01	85.7995228916502
2017-10-01	85.8872730793252
2018-01-01	85.8392983726217
2018-04-01	85.9010470366956
2018-07-01	85.8072909516664