Quarter	Percent, Seasonally Adjusted
1970-01-01	44.8021484173990
1970-04-01	44.5646326159708
1970-07-01	44.0365391001155
1970-10-01	43.8883322071332
1971-01-01	43.4810439918150
1971-04-01	43.3792363216759
1971-07-01	44.0979521387432
1971-10-01	44.5277766841679
1972-01-01	44.8165472158475
1972-04-01	45.9311352802361
1972-07-01	46.1067055581147
1972-10-01	46.0444535578847
1973-01-01	46.2140181581335
1973-04-01	47.0075273899972
1973-07-01	47.4188460225459
1973-10-01	48.2385066655269
1974-01-01	49.1969403524978
1974-04-01	49.3934421358185
1974-07-01	50.3671721802511
1974-10-01	50.7545615797651
1975-01-01	51.7079127997247
1975-04-01	51.9419759360017
1975-07-01	52.2237708518105
1975-10-01	52.0343008333411
1976-01-01	52.4123653926498
1976-04-01	53.7852183309758
1976-07-01	53.8811337538130
1976-10-01	54.2752842862540
1977-01-01	54.1706108335092
1977-04-01	54.6762148396784
1977-07-01	54.7057793987912
1977-10-01	54.9274764503670
1978-01-01	54.8070302109490
1978-04-01	54.6133534096922
1978-07-01	55.5452694129632
1978-10-01	55.7712582880904
1979-01-01	55.7363779385503
1979-04-01	55.7184731485596
1979-07-01	55.9459542662253
1979-10-01	56.3604309615214
1980-01-01	57.0130072994050
1980-04-01	56.8276963084546
1980-07-01	56.0043391002332
1980-10-01	56.1325918667630
1981-01-01	56.1324948834654
1981-04-01	56.1313387651630
1981-07-01	56.3846804290717
1981-10-01	56.7812861803385
1982-01-01	56.8181483918632
1982-04-01	56.6602496326845
1982-07-01	56.5769034017688
1982-10-01	55.8980595064972
1983-01-01	55.5791014078895
1983-04-01	55.4214659377081
1983-07-01	55.9998025439028
1983-10-01	56.0103529790707
1984-01-01	56.3148450412440
1984-04-01	56.0842520747933
1984-07-01	55.9386749431736
1984-10-01	56.2325506650997
1985-01-01	56.4458207132466
1985-04-01	57.2157255297439
1985-07-01	57.0694347055952
1985-10-01	56.9107781468562
1986-01-01	56.4631388162738
1986-04-01	56.8347341281287
1986-07-01	56.7109986245665
1986-10-01	56.9638932547196
1987-01-01	57.1862423897010
1987-04-01	57.2062958101726
1987-07-01	57.1682759256195
1987-10-01	57.2367597575392
1988-01-01	57.3939865854983
1988-04-01	57.0776004720554
1988-07-01	57.2699669840701
1988-10-01	57.1618561078755
1989-01-01	56.8784339949561
1989-04-01	56.6376001264910
1989-07-01	56.6778230530415
1989-10-01	56.5038858725171
1990-01-01	56.3071425460798
1990-04-01	55.8765554882110
1990-07-01	55.6160292316739
1990-10-01	55.1822390284089
1991-01-01	55.0150917185175
1991-04-01	54.3861697193350
1991-07-01	54.0357371156725
1991-10-01	53.9076201847624
1992-01-01	53.4773716377695
1992-04-01	53.4604408350489
1992-07-01	53.3136879180998
1992-10-01	53.2182873005198
1993-01-01	53.2171530669572
1993-04-01	53.0087029543688
1993-07-01	52.7150537986984
1993-10-01	52.2139551739208
1994-01-01	52.3973670402771
1994-04-01	52.2849597922496
1994-07-01	52.2829937725792
1994-10-01	52.2170371250745
1995-01-01	52.2104515545705
1995-04-01	52.5558036456559
1995-07-01	52.2419013899466
1995-10-01	51.9974511626152
1996-01-01	51.6841815573574
1996-04-01	51.5211970201750
1996-07-01	51.5196138877334
1996-10-01	51.9008478329930
1997-01-01	51.4749728592144
1997-04-01	51.5269647313350
1997-07-01	51.2487680511919
1997-10-01	51.5193103199252
1998-01-01	51.6171114038097
1998-04-01	51.6429006230232
1998-07-01	51.6802418330781
1998-10-01	51.7126096265370
1999-01-01	52.0909135196251
1999-04-01	52.3300803245438
1999-07-01	52.8376419011413
1999-10-01	53.1325672599460
2000-01-01	52.9518558640576
2000-04-01	52.9790350439257
2000-07-01	53.1997051422677
2000-10-01	52.5279699949106
2001-01-01	53.0131600082500
2001-04-01	53.1978076421294
2001-07-01	53.7065884641347
2001-10-01	53.9528383906224
2002-01-01	54.2288926108509
2002-04-01	54.3993724458076
2002-07-01	54.2464366999406
2002-10-01	54.9780869937642
2003-01-01	54.7967467979360
2003-04-01	54.9630188536522
2003-07-01	55.3134588473381
2003-10-01	55.4473761419466
2004-01-01	55.6675551153451
2004-04-01	56.0098493286928
2004-07-01	55.5348502325678
2004-10-01	55.5813056961855
2005-01-01	55.7548902695427
2005-04-01	55.5014298202216
2005-07-01	55.0321972341924
2005-10-01	54.6256965540659
2006-01-01	54.7704567055752
2006-04-01	55.1186713790737
2006-07-01	55.0426537813216
2006-10-01	55.1621781563749
2007-01-01	54.9545379855660
2007-04-01	54.7716891339840
2007-07-01	55.4367480862848
2007-10-01	55.4376508926984
2008-01-01	55.4424272729471
2008-04-01	55.1941771063053
2008-07-01	55.7431846361802
2008-10-01	55.7921672673920
2009-01-01	56.1215845121180
2009-04-01	56.1998006244739
2009-07-01	56.5657376665342
2009-10-01	57.0427141729955
2010-01-01	57.0708482031435
2010-04-01	57.5841609163101
2010-07-01	57.2910182620297
2010-10-01	56.8347165715410
2011-01-01	57.0157884862980
2011-04-01	56.7829019542549
2011-07-01	57.8275397890472
2011-10-01	58.2109667505535
2012-01-01	58.5662457802991
2012-04-01	58.5391040642992
2012-07-01	57.6604486742580
2012-10-01	58.3227001521695
2013-01-01	57.8267779908162
2013-04-01	57.4753612487706
2013-07-01	57.5721258945056
2013-10-01	57.4242381482171
2014-01-01	57.1922688513532
2014-04-01	57.5162985226393
2014-07-01	57.0160142582368
2014-10-01	57.3763567249890
2015-01-01	57.7868609730632
2015-04-01	57.5359287349721
2015-07-01	57.5677622390636
2015-10-01	56.3665567618251
2016-01-01	55.7717173289668
2016-04-01	55.7933421883456
2016-07-01	55.5693838076089
2016-10-01	55.0495603715096
2017-01-01	55.7556224877627
2017-04-01	55.2879384783361
2017-07-01	54.9514264529724
2017-10-01	55.5027988632325
2018-01-01	52.8708522750383
2018-04-01	52.7571523814702
2018-07-01	52.2195132447312