Quarter	Percent, Seasonally Adjusted
1970-01-01	52.0878210048156
1970-04-01	52.4191971266023
1970-07-01	52.7206562010994
1970-10-01	52.7955615877386
1971-01-01	52.6916476998872
1971-04-01	52.6589006092602
1971-07-01	51.7601611086667
1971-10-01	50.8675499111904
1972-01-01	50.7233806130633
1972-04-01	49.2517020061212
1972-07-01	48.8989127689970
1972-10-01	49.7597613684227
1973-01-01	50.3044638325533
1973-04-01	48.9650251381470
1973-07-01	48.7092763015683
1973-10-01	48.3376960970014
1974-01-01	46.5291591619010
1974-04-01	46.4485209014685
1974-07-01	45.8631818424373
1974-10-01	45.6734142242022
1975-01-01	44.8958641566028
1975-04-01	44.9723616998635
1975-07-01	44.3675043662394
1975-10-01	43.8412528890916
1976-01-01	43.8916783013057
1976-04-01	42.7474791369528
1976-07-01	42.9739416868428
1976-10-01	43.0018687356896
1977-01-01	43.4605009965527
1977-04-01	43.7580324233412
1977-07-01	43.0820488065020
1977-10-01	43.2783770992444
1978-01-01	43.3288336825669
1978-04-01	43.4873952065727
1978-07-01	43.0773601952727
1978-10-01	42.9145803882604
1979-01-01	43.1619467470166
1979-04-01	42.7771338995003
1979-07-01	42.8038791626396
1979-10-01	42.3274521681682
1980-01-01	41.7949738335496
1980-04-01	42.2014534143995
1980-07-01	43.4868432110760
1980-10-01	42.8350794304411
1981-01-01	42.5658708055550
1981-04-01	42.6942463145753
1981-07-01	42.1234709669101
1981-10-01	41.7657120904553
1982-01-01	41.5754197273157
1982-04-01	41.5242464790857
1982-07-01	41.5109880433271
1982-10-01	42.3284783097818
1983-01-01	42.6373472526584
1983-04-01	42.8249710909290
1983-07-01	42.3004194590259
1983-10-01	42.4022575066626
1984-01-01	41.6375388079565
1984-04-01	42.3247928927246
1984-07-01	42.6635442526329
1984-10-01	42.2311519805211
1985-01-01	42.2469480082738
1985-04-01	41.1889126407491
1985-07-01	41.0267324903557
1985-10-01	41.2060733228319
1986-01-01	42.1817351853999
1986-04-01	41.2870781207688
1986-07-01	41.5168200856455
1986-10-01	41.2561107753714
1987-01-01	40.7920555776111
1987-04-01	41.1224836678933
1987-07-01	40.9859430717692
1987-10-01	41.3399296427469
1988-01-01	41.1526733858781
1988-04-01	41.1156442304808
1988-07-01	41.4000400725633
1988-10-01	41.6138728423957
1989-01-01	41.9667247981181
1989-04-01	42.4239726853322
1989-07-01	42.3826542735488
1989-10-01	42.2915868168712
1990-01-01	42.6043036808796
1990-04-01	42.8000761434047
1990-07-01	43.2604729917474
1990-10-01	43.5693037236554
1991-01-01	43.4968417238743
1991-04-01	44.2149095456027
1991-07-01	44.0820534120974
1991-10-01	44.4638823865267
1992-01-01	44.7624486969273
1992-04-01	44.8475657994208
1992-07-01	44.4653600632073
1992-10-01	44.3431253871656
1993-01-01	43.9600900561393
1993-04-01	44.2502752541511
1993-07-01	44.5130007505370
1993-10-01	44.4809697998853
1994-01-01	44.6785003509573
1994-04-01	44.5961301010290
1994-07-01	44.6510494011122
1994-10-01	44.9951041090720
1995-01-01	44.8450674558576
1995-04-01	44.2664488944087
1995-07-01	44.1156543339962
1995-10-01	44.7947177779502
1996-01-01	44.4613540281223
1996-04-01	44.7852290286030
1996-07-01	44.8596854190391
1996-10-01	44.0639243451192
1997-01-01	44.3340571323144
1997-04-01	44.3135447338323
1997-07-01	44.9699459448258
1997-10-01	44.6566027013687
1998-01-01	44.7730687900400
1998-04-01	44.4670815448072
1998-07-01	44.2710650365701
1998-10-01	43.7956488237959
1999-01-01	43.4527737544275
1999-04-01	43.6214470978264
1999-07-01	42.6801862227515
1999-10-01	42.4718861960886
2000-01-01	43.0498422328271
2000-04-01	42.8481418280350
2000-07-01	42.9923675807643
2000-10-01	43.3919787515736
2001-01-01	43.1959974125983
2001-04-01	42.6250717713901
2001-07-01	41.9679629240117
2001-10-01	41.9941826468744
2002-01-01	41.1677097583215
2002-04-01	41.0643160389150
2002-07-01	41.0164916635720
2002-10-01	41.0838710170000
2003-01-01	40.3231799011861
2003-04-01	40.4221528115644
2003-07-01	41.0088762582853
2003-10-01	40.8754117892559
2004-01-01	40.7464082588041
2004-04-01	40.5442817738661
2004-07-01	41.1787853265103
2004-10-01	40.9488960716606
2005-01-01	41.6763836040244
2005-04-01	41.7978207941291
2005-07-01	41.8301833106304
2005-10-01	41.6823586516853
2006-01-01	42.2378044537169
2006-04-01	41.7294616863313
2006-07-01	42.1009345683645
2006-10-01	42.1654629631375
2007-01-01	41.4399942815056
2007-04-01	42.0195421895021
2007-07-01	41.2452778452192
2007-10-01	41.3232178633215
2008-01-01	42.0409361045895
2008-04-01	42.2046909053998
2008-07-01	40.9632856273939
2008-10-01	41.2186742505136
2009-01-01	40.6458470292585
2009-04-01	41.0546647616101
2009-07-01	40.9059003679474
2009-10-01	40.5750300268637
2010-01-01	40.4039429934826
2010-04-01	39.5731188764764
2010-07-01	39.9916964401884
2010-10-01	40.6612905159833
2011-01-01	41.1462443251082
2011-04-01	40.9202373056495
2011-07-01	40.0243794182252
2011-10-01	38.9107259009410
2012-01-01	38.0301600734230
2012-04-01	38.5427564568924
2012-07-01	39.9484446170322
2012-10-01	39.0689964790138
2013-01-01	40.1514790499442
2013-04-01	40.3300869558989
2013-07-01	40.5209391397432
2013-10-01	41.1836264177389
2014-01-01	41.0148813572685
2014-04-01	40.7820645130984
2014-07-01	40.7827280090039
2014-10-01	40.7643445582868
2015-01-01	39.5025660139277
2015-04-01	41.2983578337639
2015-07-01	40.3504223448340
2015-10-01	41.5728343328319
2016-01-01	42.5604038131434
2016-04-01	41.7620755948788
2016-07-01	43.1121378818773
2016-10-01	42.8740754496379
2017-01-01	42.7069514809961
2017-04-01	42.6632312915020
2017-07-01	43.7316245214337
2017-10-01	43.0168878716355
2018-01-01	46.7368750918107
2018-04-01	46.2786809467696
2018-07-01	46.8559978076769