Quarter	Percent, Seasonally Adjusted
1970-01-01	13.0059187951607
1970-04-01	13.1653625019562
1970-07-01	13.0157001412611
1970-10-01	13.6156070320707
1971-01-01	12.4368105025937
1971-04-01	12.5819229057894
1971-07-01	12.9905908057537
1971-10-01	12.9292007833435
1972-01-01	13.2643414307796
1972-04-01	12.4642319856362
1972-07-01	13.4323526343577
1972-10-01	14.7629487126025
1973-01-01	13.2108038157252
1973-04-01	13.6076450725173
1973-07-01	13.1909410095405
1973-10-01	12.6241984496303
1974-01-01	13.0566525211116
1974-04-01	14.0621575269846
1974-07-01	13.5694969459084
1974-10-01	13.3229000676371
1975-01-01	13.6305571571260
1975-04-01	13.7428936747953
1975-07-01	13.3564742157038
1975-10-01	13.1790234728686
1976-01-01	13.1698974656468
1976-04-01	13.4791241378049
1976-07-01	13.3909811935635
1976-10-01	14.2077739144565
1977-01-01	14.7520744837670
1977-04-01	14.8169546325295
1977-07-01	15.1726682768429
1977-10-01	14.7461055625114
1978-01-01	14.8224507235403
1978-04-01	14.5266796775725
1978-07-01	14.9589327633335
1978-10-01	14.2632138150827
1979-01-01	14.8504605500694
1979-04-01	14.0548353984721
1979-07-01	14.5190565531891
1979-10-01	14.1808128081194
1980-01-01	14.1659047061407
1980-04-01	13.9852301190576
1980-07-01	14.4369184791499
1980-10-01	14.5843142671384
1981-01-01	13.9951303158330
1981-04-01	14.5207813967808
1981-07-01	14.8182732311594
1981-10-01	15.4966129430997
1982-01-01	14.8695222018327
1982-04-01	14.8024543099824
1982-07-01	14.4021113670473
1982-10-01	15.1271459704601
1983-01-01	15.1222155543290
1983-04-01	14.6295110664453
1983-07-01	14.9857746154433
1983-10-01	15.2810435377348
1984-01-01	15.1415366703759
1984-04-01	15.9583543547255
1984-07-01	16.0366614376140
1984-10-01	16.3184709338880
1985-01-01	16.2405375933896
1985-04-01	16.1030992538309
1985-07-01	16.9444600042691
1985-10-01	16.7417134330544
1986-01-01	16.7211429223101
1986-04-01	16.9007174513642
1986-07-01	16.5288819338590
1986-10-01	16.7701829582998
1987-01-01	17.0584401679300
1987-04-01	16.8000546575901
1987-07-01	16.8532856628982
1987-10-01	17.2769785327693
1988-01-01	17.2763027618683
1988-04-01	17.7291203990257
1988-07-01	17.3309169672460
1988-10-01	17.6830872871808
1989-01-01	17.3810044049754
1989-04-01	17.2888565225203
1989-07-01	16.9906178891624
1989-10-01	16.6011915143224
1990-01-01	16.6954903934209
1990-04-01	16.7078252237489
1990-07-01	16.4477652482351
1990-10-01	15.6767044821406
1991-01-01	15.4838154064118
1991-04-01	15.3788666019783
1991-07-01	15.3900315546733
1991-10-01	14.8427006195129
1992-01-01	14.8723016017488
1992-04-01	15.1464853081410
1992-07-01	15.2978147373289
1992-10-01	14.4592228164985
1993-01-01	14.3103367689143
1993-04-01	14.8396533311192
1993-07-01	14.3099345275465
1993-10-01	15.1835796865716
1994-01-01	15.1102396844373
1994-04-01	14.8975072684940
1994-07-01	14.2757075821069
1994-10-01	15.1728809481128
1995-01-01	15.4734285964968
1995-04-01	14.9942905928734
1995-07-01	15.2891418898462
1995-10-01	14.5252285862769
1996-01-01	15.5339461647610
1996-04-01	15.2329337213311
1996-07-01	14.5986468517428
1996-10-01	14.1373226620230
1997-01-01	14.8389205460757
1997-04-01	14.3465766929505
1997-07-01	15.0767128021739
1997-10-01	15.0800356546918
1998-01-01	14.8117324755468
1998-04-01	14.4122063745216
1998-07-01	15.1127033039718
1998-10-01	15.0616334259793
1999-01-01	13.9715460795722
1999-04-01	14.8435573099761
1999-07-01	15.0327819487076
1999-10-01	15.2132498495873
2000-01-01	15.5771943667222
2000-04-01	16.1233777713133
2000-07-01	15.5566180701918
2000-10-01	16.0393633060247
2001-01-01	15.9161931705784
2001-04-01	16.7148580388192
2001-07-01	16.7812599473356
2001-10-01	16.9584110058565
2002-01-01	16.6853149855282
2002-04-01	16.8842667190974
2002-07-01	17.7624366817885
2002-10-01	17.0470446492724
2003-01-01	17.0744938876212
2003-04-01	17.0595586926261
2003-07-01	17.0158079193049
2003-10-01	16.6305824851306
2004-01-01	17.3934286620029
2004-04-01	17.5005821076540
2004-07-01	17.0752755706974
2004-10-01	17.1538066854088
2005-01-01	17.1374663559172
2005-04-01	17.0628476793432
2005-07-01	16.4729235014305
2005-10-01	17.0345471828529
2006-01-01	16.5709507509695
2006-04-01	15.8356097486707
2006-07-01	16.0375120077576
2006-10-01	16.3427360063226
2007-01-01	15.1453745899668
2007-04-01	15.1857357732493
2007-07-01	14.9826840997949
2007-10-01	14.9990587990661
2008-01-01	14.9114023302907
2008-04-01	14.9529870910924
2008-07-01	14.9378608756885
2008-10-01	14.6045564353240
2009-01-01	15.1222197168821
2009-04-01	15.4293267553946
2009-07-01	15.3662201228476
2009-10-01	15.6047369555295
2010-01-01	15.5995589492856
2010-04-01	15.7969487051895
2010-07-01	15.9100692917516
2010-10-01	16.1823428747703
2011-01-01	16.0530952239333
2011-04-01	15.6561698702594
2011-07-01	16.7624983417937
2011-10-01	16.4075797091414
2012-01-01	16.9568274727900
2012-04-01	17.2489824298248
2012-07-01	17.3858127332404
2012-10-01	16.7729106196271
2013-01-01	16.5611266915687
2013-04-01	16.7194937710585
2013-07-01	16.3647000655855
2013-10-01	15.9873553167099
2014-01-01	15.3374516961229
2014-04-01	15.3905589270022
2014-07-01	14.9073966344916
2014-10-01	14.8457495107020
2015-01-01	14.3664219173302
2015-04-01	14.7801587779465
2015-07-01	13.8094632279070
2015-10-01	14.2093781155289
2016-01-01	13.9726415873245
2016-04-01	13.5100687414880
2016-07-01	13.0873189156915
2016-10-01	13.2716966585469
2017-01-01	12.9490421925246
2017-04-01	12.7467239560829
2017-07-01	11.9967629053291
2017-10-01	11.6609584613592
2018-01-01	11.8952841565695
2018-04-01	11.1942473491691
2018-07-01	11.7602358576030