Quarter	Percent, Seasonally Adjusted
1986-01-01	59.9712804165420
1986-04-01	59.9356248456492
1986-07-01	60.1143292124879
1986-10-01	60.1045330637059
1987-01-01	60.5723741402994
1987-04-01	60.9267199476364
1987-07-01	60.8001647746739
1987-10-01	60.9746033433567
1988-01-01	60.1542632545826
1988-04-01	59.6042829789462
1988-07-01	58.7906517917583
1988-10-01	58.7020635232008
1989-01-01	57.6545529246442
1989-04-01	56.8956566231949
1989-07-01	57.1677952212172
1989-10-01	57.3519639101219
1990-01-01	58.0962646327809
1990-04-01	58.9704768723316
1990-07-01	58.1997668766280
1990-10-01	57.8155286741813
1991-01-01	57.7218143323197
1991-04-01	57.4295481606694
1991-07-01	56.9805545178875
1991-10-01	56.6873239986441
1992-01-01	56.9067122310402
1992-04-01	57.4268116850741
1992-07-01	56.8696395457835
1992-10-01	57.1855326451211
1993-01-01	57.2453003633809
1993-04-01	57.1859949033513
1993-07-01	57.9308792027345
1993-10-01	58.0243403584399
1994-01-01	58.8237872112310
1994-04-01	59.0498506754523
1994-07-01	59.5784561832580
1994-10-01	60.4142386351710
1995-01-01	60.5845264660213
1995-04-01	61.1968040678192
1995-07-01	61.7694272848149
1995-10-01	61.6874905733884
1996-01-01	62.4079385879121
1996-04-01	63.1043031303461
1996-07-01	63.5099231379367
1996-10-01	62.4198669212443
1997-01-01	62.4173506242266
1997-04-01	62.5173949567550
1997-07-01	62.3543093026459
1997-10-01	61.9733625875979
1998-01-01	61.8535814219329
1998-04-01	61.3602154977029
1998-07-01	61.8298813765484
1998-10-01	61.4694711952860
1999-01-01	62.3407661955006
1999-04-01	62.3333223398320
1999-07-01	62.5789660616232
1999-10-01	62.8206842481690
2000-01-01	62.7681556534751
2000-04-01	62.3305633941255
2000-07-01	63.4852442364902
2000-10-01	63.8908933715859
2001-01-01	63.8639773941616
2001-04-01	64.5777901951052
2001-07-01	64.1643768944770
2001-10-01	65.1209688326056
2002-01-01	65.0125405799370
2002-04-01	65.0500338334749
2002-07-01	64.8520258404994
2002-10-01	65.1029645415638
2003-01-01	64.8104892759279
2003-04-01	65.0511928256234
2003-07-01	66.0134543219679
2003-10-01	65.7174135809875
2004-01-01	65.6377967635270
2004-04-01	65.0390960991346
2004-07-01	66.1678911421694
2004-10-01	67.2242808943533
2005-01-01	66.7766037238222
2005-04-01	67.1758769639495
2005-07-01	68.0486437090532
2005-10-01	67.6973958212300
2006-01-01	68.0786325461998
2006-04-01	68.4721989507516
2006-07-01	68.0008275356586
2006-10-01	67.2991633774518
2007-01-01	68.4982407506605
2007-04-01	68.8365947115400
2007-07-01	68.0586726127494
2007-10-01	69.0440591840386
2008-01-01	67.4430255741822
2008-04-01	68.8888814763774
2008-07-01	69.1676790931991
2008-10-01	68.8530358394329
2009-01-01	67.9558030187346
2009-04-01	67.3543035577278
2009-07-01	67.0740080117574
2009-10-01	66.7014492602136
2010-01-01	66.8045169792053
2010-04-01	66.5871661133154
2010-07-01	66.3317665125645
2010-10-01	66.3757953946067
2011-01-01	67.1066495556130
2011-04-01	67.3017298113085
2011-07-01	66.8516084464528
2011-10-01	67.1232862903698
2012-01-01	67.1399852155814
2012-04-01	67.3688275098775
2012-07-01	67.1115290866238
2012-10-01	65.7027479369568
2013-01-01	67.3067659834800
2013-04-01	67.3894157388703
2013-07-01	67.9973547022969
2013-10-01	68.2632977094354
2014-01-01	68.9885177258187
2014-04-01	68.4279388517766
2014-07-01	69.0572038492067
2014-10-01	69.7793552452255
2015-01-01	69.8097712828546
2015-04-01	69.2392674899024
2015-07-01	68.6399299364332
2015-10-01	69.0835768426770
2016-01-01	69.8103628524626
2016-04-01	70.6786709414827
2016-07-01	70.7942369996384
2016-10-01	71.3039959536207
2017-01-01	71.6301311718750
2017-04-01	71.3961024422289
2017-07-01	72.4156983550219
2017-10-01	72.6958878344750
2018-01-01	72.9189408021476
2018-04-01	73.1213122942332
2018-07-01	73.8056009848996