Quarter	Percent, Seasonally Adjusted
1986-01-01	93.7196776030454
1986-04-01	93.6877843362473
1986-07-01	93.3164512297395
1986-10-01	93.3469683404282
1987-01-01	93.3283204907633
1987-04-01	93.1322098043126
1987-07-01	92.9169753630510
1987-10-01	92.2718742258195
1988-01-01	91.1384106804078
1988-04-01	90.9510292948184
1988-07-01	89.6423685017588
1988-10-01	90.0118138872184
1989-01-01	88.9589870221508
1989-04-01	88.6562582309066
1989-07-01	88.4287358064438
1989-10-01	87.7358560824073
1990-01-01	87.8253528540716
1990-04-01	87.1932700192777
1990-07-01	86.5983153331756
1990-10-01	86.3860278654753
1991-01-01	85.4030158790092
1991-04-01	84.9968283558056
1991-07-01	84.5818531582797
1991-10-01	83.9802538642450
1992-01-01	84.1918458404564
1992-04-01	84.5490559037090
1992-07-01	84.1999180700358
1992-10-01	84.2164609441989
1993-01-01	84.3414326702675
1993-04-01	84.5035334920817
1993-07-01	84.2143026851287
1993-10-01	85.0030546063745
1994-01-01	84.5113233170576
1994-04-01	85.6254821430886
1994-07-01	85.1014807016282
1994-10-01	85.9223826814364
1995-01-01	86.3063679612710
1995-04-01	87.0594168454970
1995-07-01	87.0496227580423
1995-10-01	87.2360278232821
1996-01-01	87.1126739966953
1996-04-01	87.0278347262864
1996-07-01	86.9958952072980
1996-10-01	86.9881228752580
1997-01-01	86.7084949333321
1997-04-01	86.7004470981100
1997-07-01	86.7903382677861
1997-10-01	86.7659710268334
1998-01-01	85.9386435943108
1998-04-01	85.4142977408987
1998-07-01	84.7958762986907
1998-10-01	85.1616984341115
1999-01-01	85.0158350978003
1999-04-01	85.2109097912697
1999-07-01	85.1930833846318
1999-10-01	86.4345457322176
2000-01-01	86.3980199732672
2000-04-01	86.9775790456470
2000-07-01	87.2609176766258
2000-10-01	87.1958970065634
2001-01-01	87.0564423178590
2001-04-01	86.9813816602433
2001-07-01	87.0346443616901
2001-10-01	87.5071662039606
2002-01-01	87.5539634909545
2002-04-01	87.6865289164195
2002-07-01	87.6328458041594
2002-10-01	87.6287397814502
2003-01-01	88.0059429884941
2003-04-01	87.6046426604385
2003-07-01	87.7606918479834
2003-10-01	87.7924423552838
2004-01-01	88.2951410933778
2004-04-01	89.1862058665131
2004-07-01	89.1825557189799
2004-10-01	89.6336805564155
2005-01-01	89.7719325052042
2005-04-01	89.1015376992567
2005-07-01	90.1068462642290
2005-10-01	90.8763973309064
2006-01-01	89.9183782175481
2006-04-01	89.9902000664278
2006-07-01	90.0618909132030
2006-10-01	90.1172944041429
2007-01-01	90.0513737518245
2007-04-01	89.9820971591204
2007-07-01	90.3277008719727
2007-10-01	89.8761753653107
2008-01-01	89.2571867994830
2008-04-01	89.8174702802058
2008-07-01	89.1317805618360
2008-10-01	89.1942115051136
2009-01-01	87.4171475469799
2009-04-01	87.9463778699297
2009-07-01	87.0175060954770
2009-10-01	87.2370279468438
2010-01-01	87.6062434155624
2010-04-01	87.5099293821478
2010-07-01	88.0728598812938
2010-10-01	87.7075140601259
2011-01-01	87.8962128055712
2011-04-01	87.9734703010813
2011-07-01	88.0482519324329
2011-10-01	87.7268109621324
2012-01-01	87.7527573261288
2012-04-01	86.7782359532229
2012-07-01	86.4306932512954
2012-10-01	86.6686537971796
2013-01-01	87.5311177276668
2013-04-01	87.9744884072155
2013-07-01	88.6487986445165
2013-10-01	88.8805948642662
2014-01-01	89.0093904764849
2014-04-01	89.6151065622853
2014-07-01	89.1199894971616
2014-10-01	89.1393142399991
2015-01-01	89.2131233832837
2015-04-01	89.3936870784176
2015-07-01	88.1692202143859
2015-10-01	88.7551698899727
2016-01-01	88.7993476903599
2016-04-01	89.8310218160845
2016-07-01	90.0733898850614
2016-10-01	90.3794997826661
2017-01-01	90.1704711496757
2017-04-01	90.2560830738170
2017-07-01	90.6674032455979
2017-10-01	90.6196306079134
2018-01-01	90.9025834252151
2018-04-01	90.4215732784985
2018-07-01	90.8850751378192