Quarter	Percent, Seasonally Adjusted
1970-01-01	84.8128501653604
1970-04-01	84.8204412796169
1970-07-01	84.9505350412239
1970-10-01	85.0699350026521
1971-01-01	85.5925393174232
1971-04-01	85.6132038944118
1971-07-01	85.2671747483753
1971-10-01	85.4864958329530
1972-01-01	85.6638646117987
1972-04-01	85.6358454597963
1972-07-01	85.7348094631877
1972-10-01	85.4874888763295
1973-01-01	85.6761457628903
1973-04-01	85.8215010161098
1973-07-01	85.8679929178056
1973-10-01	85.7096084095904
1974-01-01	85.7989569458842
1974-04-01	85.7783138923812
1974-07-01	85.4944964039718
1974-10-01	85.5391389395946
1975-01-01	85.2747460260814
1975-04-01	85.1382829843846
1975-07-01	85.2920714378480
1975-10-01	85.8401248885394
1976-01-01	85.6670757005880
1976-04-01	85.2515737681664
1976-07-01	85.2665794728152
1976-10-01	85.2011972761885
1977-01-01	85.0945410019764
1977-04-01	84.7772756428779
1977-07-01	84.8653272794119
1977-10-01	84.8590193855789
1978-01-01	85.0339986275020
1978-04-01	85.1266042862473
1978-07-01	84.7419015286723
1978-10-01	84.7705244944594
1979-01-01	84.7135114582692
1979-04-01	85.0113021557309
1979-07-01	84.9981063708072
1979-10-01	84.9035845527914
1980-01-01	84.6368745791861
1980-04-01	84.5544746382664
1980-07-01	84.7110328360692
1980-10-01	84.8192795942715
1981-01-01	84.9782842047780
1981-04-01	84.8392819727772
1981-07-01	84.7032023258865
1981-10-01	84.4722084026685
1982-01-01	84.7163797811866
1982-04-01	84.8342925061721
1982-07-01	84.6214043953070
1982-10-01	84.8198419106868
1983-01-01	84.8681089436192
1983-04-01	84.8807047341848
1983-07-01	84.7217672867249
1983-10-01	84.5935229111793
1984-01-01	84.4817438977947
1984-04-01	84.3270951769214
1984-07-01	84.2945229345048
1984-10-01	84.2447052638092
1985-01-01	83.9943145656609
1985-04-01	83.8093101236015
1985-07-01	83.6386044457961
1985-10-01	83.6129627565184
1986-01-01	83.6102669925753
1986-04-01	83.5213556520007
1986-07-01	83.6026501990906
1986-10-01	83.3579136272186
1987-01-01	83.2422074468876
1987-04-01	83.1781018732906
1987-07-01	83.2997965927718
1987-10-01	83.1111166611785
1988-01-01	82.9670405275178
1988-04-01	83.0024243425444
1988-07-01	82.9387508999539
1988-10-01	82.8522191409556
1989-01-01	82.8941878301804
1989-04-01	83.0294385797789
1989-07-01	82.9488276287239
1989-10-01	82.9558802452822
1990-01-01	83.0600266950782
1990-04-01	83.1853370457048
1990-07-01	83.2465079408865
1990-10-01	83.5234814963014
1991-01-01	83.6157285611118
1991-04-01	83.7071902016913
1991-07-01	83.7175510942732
1991-10-01	83.8651162907826
1992-01-01	84.1911568276939
1992-04-01	84.0326869161297
1992-07-01	84.0815340483734
1992-10-01	84.3673566184806
1993-01-01	84.3598522556402
1993-04-01	84.3939986123295
1993-07-01	84.4764681044230
1993-10-01	84.6204930744106
1994-01-01	84.4185737893896
1994-04-01	84.4785700328573
1994-07-01	84.5788766590087
1994-10-01	84.4311765940410
1995-01-01	84.3461315021464
1995-04-01	84.4624991039656
1995-07-01	84.7618464640406
1995-10-01	84.8215842935741
1996-01-01	84.8424478609042
1996-04-01	85.0584068831051
1996-07-01	85.3022009124531
1996-10-01	85.3017766586063
1997-01-01	85.5612843977280
1997-04-01	85.6346858489894
1997-07-01	85.4537008627366
1997-10-01	85.2926904872314
1998-01-01	85.3683949624924
1998-04-01	85.4603581731572
1998-07-01	85.3834930223529
1998-10-01	85.4594816841405
1999-01-01	85.5280265790543
1999-04-01	85.3861330248736
1999-07-01	85.3488156888857
1999-10-01	85.3928489952456
2000-01-01	85.3342445308357
2000-04-01	85.3082857207953
2000-07-01	85.3345522773977
2000-10-01	85.4936222598824
2001-01-01	85.2817506949588
2001-04-01	85.2696643855463
2001-07-01	85.1230503916340
2001-10-01	84.9078889493478
2002-01-01	84.9210350971865
2002-04-01	84.8320800301974
2002-07-01	84.8871818167896
2002-10-01	84.7427417207511
2003-01-01	84.8218636577934
2003-04-01	84.7265381330726
2003-07-01	84.6536008118157
2003-10-01	84.7405190241698
2004-01-01	84.4514245022065
2004-04-01	84.3461093560192
2004-07-01	84.4206747996976
2004-10-01	84.4497603984055
2005-01-01	84.3521187710666
2005-04-01	84.3168552793301
2005-07-01	84.6589194961264
2005-10-01	84.7573310251130
2006-01-01	84.8592554669240
2006-04-01	84.8678584647608
2006-07-01	84.8504022166827
2006-10-01	84.9106523395437
2007-01-01	85.2198292240264
2007-04-01	85.3945600444994
2007-07-01	85.2963276825699
2007-10-01	85.3135193838918
2008-01-01	85.1835232788997
2008-04-01	85.2557992949577
2008-07-01	85.3481340038083
2008-10-01	85.3578618857648
2009-01-01	85.0535370190455
2009-04-01	84.8867013286948
2009-07-01	84.9756002953625
2009-10-01	84.8563496734224
2010-01-01	84.9916421382754
2010-04-01	84.8384640572976
2010-07-01	84.9604424926212
2010-10-01	84.9374658854642
2011-01-01	85.0034262999554
2011-04-01	85.1905355188634
2011-07-01	84.7129807673736
2011-10-01	84.5116540353248
2012-01-01	84.4029742213014
2012-04-01	84.3700169387596
2012-07-01	84.3710792969662
2012-10-01	84.3883332041559
2013-01-01	84.4840537882860
2013-04-01	84.5966371855057
2013-07-01	84.6928995910546
2013-10-01	84.7431832314258
2014-01-01	84.8663620322168
2014-04-01	84.9608051164773
2014-07-01	84.9698181423332
2014-10-01	84.9131633777466
2015-01-01	85.0060192283540
2015-04-01	84.9204716012730
2015-07-01	85.0939296222916
2015-10-01	85.2652561083366
2016-01-01	85.3932006727444
2016-04-01	85.5362361419110
2016-07-01	85.6157270080873
2016-10-01	85.6674188545703
2017-01-01	85.5558023347803
2017-04-01	85.5643061828564
2017-07-01	85.6684714768593
2017-10-01	85.7354121707005
2018-01-01	85.8873896927884
2018-04-01	86.0565063283373
2018-07-01	86.0855258312565