Quarter	Percent, Seasonally Adjusted
1970-01-01	57.3193232820386
1970-04-01	57.5331864457846
1970-07-01	58.1070681896765
1970-10-01	58.2400493898420
1971-01-01	59.1640087722980
1971-04-01	59.5181952256606
1971-07-01	59.0256722067987
1971-10-01	59.0852190205100
1972-01-01	58.7045326167359
1972-04-01	57.8214892150052
1972-07-01	57.7451485624298
1972-10-01	56.8360310972521
1973-01-01	56.1215843739668
1973-04-01	55.8504754634124
1973-07-01	55.3606980571997
1973-10-01	54.4087840481963
1974-01-01	54.0691931597098
1974-04-01	53.5359859369752
1974-07-01	52.3911827531640
1974-10-01	51.6396955754193
1975-01-01	50.4473993983308
1975-04-01	49.9566561336068
1975-07-01	49.8093946119158
1975-10-01	50.5842531801921
1976-01-01	49.9975615100776
1976-04-01	48.3860459700749
1976-07-01	48.0260269367839
1976-10-01	47.1532304292562
1977-01-01	46.8546524308302
1977-04-01	45.5698952084728
1977-07-01	46.0964377896711
1977-10-01	45.3887211570772
1978-01-01	45.6057219671848
1978-04-01	45.8175112891046
1978-07-01	44.2619706282176
1978-10-01	44.0618248722255
1979-01-01	43.8372124849523
1979-04-01	44.2360015474676
1979-07-01	43.8166593247854
1979-10-01	43.4677002230448
1980-01-01	42.9052943591713
1980-04-01	42.6705693853835
1980-07-01	43.2138380621116
1980-10-01	43.4466225755125
1981-01-01	43.5738426173100
1981-04-01	43.5009776825145
1981-07-01	43.5395770636278
1981-10-01	42.9747093323895
1982-01-01	42.9274830430560
1982-04-01	43.3803595311859
1982-07-01	43.3332542667755
1982-10-01	43.9633340576161
1983-01-01	44.3455506253117
1983-04-01	44.3377645551289
1983-07-01	43.7753923988979
1983-10-01	43.7130337180408
1984-01-01	43.5287274319352
1984-04-01	43.4279710078456
1984-07-01	43.3632073247646
1984-10-01	43.2723159712623
1985-01-01	42.9731349509055
1985-04-01	42.4559410870365
1985-07-01	42.6431653090226
1985-10-01	42.6684435977651
1986-01-01	42.8890402787153
1986-04-01	42.7976418958377
1986-07-01	42.7778013098503
1986-10-01	42.6280193769638
1987-01-01	42.4405002785573
1987-04-01	42.3605878297141
1987-07-01	42.5611519102370
1987-10-01	42.2287733383251
1988-01-01	42.0615467102016
1988-04-01	42.5921968404896
1988-07-01	42.1453054220341
1988-10-01	42.2423092802282
1989-01-01	42.3079991782822
1989-04-01	42.4918951357044
1989-07-01	42.5016954058827
1989-10-01	42.8773360691336
1990-01-01	43.0848402194610
1990-04-01	43.5325130487761
1990-07-01	43.6577188445281
1990-10-01	44.2299550260839
1991-01-01	44.6241047543209
1991-04-01	45.2246625091076
1991-07-01	45.8709982966298
1991-10-01	45.7328714005364
1992-01-01	46.4095939994567
1992-04-01	46.3887114204682
1992-07-01	46.9654075050978
1992-10-01	47.1594849700887
1993-01-01	47.2175354227322
1993-04-01	47.3201135308792
1993-07-01	47.6242836952538
1993-10-01	48.4022946838524
1994-01-01	47.9703626651772
1994-04-01	48.2502956848708
1994-07-01	48.1957275032148
1994-10-01	48.0662482961867
1995-01-01	48.0445014833115
1995-04-01	47.9237517414729
1995-07-01	48.3503294470028
1995-10-01	48.3044857090267
1996-01-01	48.9211725193954
1996-04-01	48.9939173304580
1996-07-01	49.0715134869426
1996-10-01	49.1124095305978
1997-01-01	49.6218022254356
1997-04-01	49.4664814397395
1997-07-01	49.4986279420621
1997-10-01	49.0325705391378
1998-01-01	48.8036821108610
1998-04-01	48.7946220846730
1998-07-01	48.9569028258259
1998-10-01	49.0248566208425
1999-01-01	48.4514473951283
1999-04-01	48.0071558673899
1999-07-01	47.6388036453406
1999-10-01	47.5102596283526
2000-01-01	47.5307778934441
2000-04-01	47.5715595391258
2000-07-01	47.0115226130430
2000-10-01	47.4813408651940
2001-01-01	46.8435291911487
2001-04-01	47.0838702801254
2001-07-01	46.5189274040908
2001-10-01	46.2113696893815
2002-01-01	46.3574179226908
2002-04-01	46.0654164513717
2002-07-01	46.4933238952490
2002-10-01	45.3689494400935
2003-01-01	45.8983239919682
2003-04-01	45.4824245489585
2003-07-01	44.7373326862762
2003-10-01	44.6878092743512
2004-01-01	44.1218897271860
2004-04-01	43.9757488106847
2004-07-01	44.2370302051853
2004-10-01	44.2853705430732
2005-01-01	43.7223878501414
2005-04-01	43.9436698565425
2005-07-01	44.7559334478245
2005-10-01	45.4907806769738
2006-01-01	45.2850209991926
2006-04-01	44.5542313359079
2006-07-01	44.6406069730784
2006-10-01	44.4115809525837
2007-01-01	45.1812076423904
2007-04-01	45.4859309661133
2007-07-01	44.5290605281908
2007-10-01	44.5380976798925
2008-01-01	44.0344423976907
2008-04-01	44.5844307834051
2008-07-01	44.4864514929048
2008-10-01	44.1032221378995
2009-01-01	43.3884213321232
2009-04-01	42.9110464140561
2009-07-01	42.4910729072213
2009-10-01	41.8256442728927
2010-01-01	42.3162362873631
2010-04-01	41.7193468975342
2010-07-01	41.8748629965097
2010-10-01	42.0987084478092
2011-01-01	41.7249336735000
2011-04-01	42.6543904071428
2011-07-01	41.6225699141793
2011-10-01	41.6435065455377
2012-01-01	41.3928280112024
2012-04-01	41.2290530674137
2012-07-01	41.6606750077210
2012-10-01	41.6269260777362
2013-01-01	41.7768294322841
2013-04-01	41.7404553803709
2013-07-01	41.9122011396465
2013-10-01	41.2710538866857
2014-01-01	42.1738080208505
2014-04-01	41.9105598523506
2014-07-01	42.6829276124279
2014-10-01	41.8174098777351
2015-01-01	42.4216561424134
2015-04-01	41.4526121691625
2015-07-01	42.1708400969051
2015-10-01	43.5931802335477
2016-01-01	43.6964657260472
2016-04-01	44.5738225616423
2016-07-01	43.9101029174153
2016-10-01	45.1465453581482
2017-01-01	43.9172736003834
2017-04-01	44.6856843847200
2017-07-01	44.4065024926957
2017-10-01	43.9241528116563
2018-01-01	45.9909709864057
2018-04-01	46.6688722312958
2018-07-01	47.0903858533835