Quarter	Percent, Seasonally Adjusted
1986-01-01	50.6831714932626
1986-04-01	49.8284102931879
1986-07-01	49.5797041311597
1986-10-01	50.9161308546069
1987-01-01	51.2237319009635
1987-04-01	52.4049633087813
1987-07-01	51.8415023594242
1987-10-01	52.3938387194684
1988-01-01	51.9003714308544
1988-04-01	53.3990073017728
1988-07-01	54.4579596238986
1988-10-01	54.7703901221937
1989-01-01	56.2060119958110
1989-04-01	55.8661520305485
1989-07-01	56.7687877125930
1989-10-01	57.0445374292939
1990-01-01	56.6233646161640
1990-04-01	55.9512615327866
1990-07-01	56.1779295068474
1990-10-01	56.5102939497576
1991-01-01	56.5862567512722
1991-04-01	55.9433885501177
1991-07-01	55.9704088505815
1991-10-01	55.9753804043192
1992-01-01	55.6824925385405
1992-04-01	55.7564164980048
1992-07-01	55.6150379708768
1992-10-01	55.0545563505633
1993-01-01	54.5116995235139
1993-04-01	52.7258479139611
1993-07-01	52.1641652025451
1993-10-01	52.1917705662319
1994-01-01	51.6672055130591
1994-04-01	50.9925781101323
1994-07-01	50.6132461598984
1994-10-01	48.7654190259791
1995-01-01	48.8700774172643
1995-04-01	48.5452379671631
1995-07-01	48.0770199814243
1995-10-01	46.8356261007537
1996-01-01	45.3092599266546
1996-04-01	44.1413742998114
1996-07-01	43.9929176589893
1996-10-01	43.9079852360663
1997-01-01	43.0927194586380
1997-04-01	43.0785638517274
1997-07-01	43.3967259658651
1997-10-01	43.9473642737330
1998-01-01	43.0386159515133
1998-04-01	41.9364594884531
1998-07-01	41.4903533489125
1998-10-01	41.1119947805015
1999-01-01	39.5227110751388
1999-04-01	40.2781256290019
1999-07-01	40.1877844962325
1999-10-01	41.6555900236131
2000-01-01	42.0629366964838
2000-04-01	41.3772632908430
2000-07-01	39.2859841781654
2000-10-01	38.5669061617081
2001-01-01	38.3012887218345
2001-04-01	38.2123584483148
2001-07-01	36.6283078033386
2001-10-01	36.4324280813086
2002-01-01	35.8370888471180
2002-04-01	34.1295755492102
2002-07-01	34.2012309631953
2002-10-01	34.3985023235432
2003-01-01	34.4417878393957
2003-04-01	32.9642666484076
2003-07-01	33.3966908494577
2003-10-01	32.2334998436348
2004-01-01	33.0757999471625
2004-04-01	31.2966085859443
2004-07-01	30.5281732857902
2004-10-01	30.1053026312998
2005-01-01	29.6832493873031
2005-04-01	29.9222588449993
2005-07-01	28.7317524484542
2005-10-01	28.2779080288823
2006-01-01	28.3817847286101
2006-04-01	27.5724239165169
2006-07-01	29.0068730888050
2006-10-01	29.0970452148342
2007-01-01	27.2505675180113
2007-04-01	26.5636981560854
2007-07-01	27.4613170972642
2007-10-01	27.2808395597596
2008-01-01	27.0280922140502
2008-04-01	26.9460028813602
2008-07-01	26.8886784665744
2008-10-01	26.7919833524696
2009-01-01	26.2258603425931
2009-04-01	25.7927241412588
2009-07-01	25.8965938915678
2009-10-01	24.8588750074184
2010-01-01	25.1209788552033
2010-04-01	23.9288344888189
2010-07-01	24.0594937696800
2010-10-01	24.2275033151719
2011-01-01	24.3105755855032
2011-04-01	24.4615722860151
2011-07-01	24.1620553467681
2011-10-01	23.3524821729187
2012-01-01	23.0187433038247
2012-04-01	23.0494630178555
2012-07-01	22.9008864104425
2012-10-01	24.1373764961022
2013-01-01	23.4885654787697
2013-04-01	22.3029024251695
2013-07-01	22.9057331900390
2013-10-01	22.7123096388436
2014-01-01	21.3572350326978
2014-04-01	21.6718749612811
2014-07-01	21.9791311160474
2014-10-01	20.9368989483483
2015-01-01	21.4705530678891
2015-04-01	22.0112951138271
2015-07-01	22.7410235216765
2015-10-01	22.5186180635184
2016-01-01	22.4197073808719
2016-04-01	20.6273022666231
2016-07-01	21.2532353547665
2016-10-01	21.4189491213424
2017-01-01	19.5388894683387
2017-04-01	19.9986765824840
2017-07-01	19.3852371823334
2017-10-01	19.1365870820920
2018-01-01	19.6250010456959
2018-04-01	19.5371292208319
2018-07-01	19.8326377439999