Quarter	Percent, Seasonally Adjusted
1960-01-01	15.1069945704248
1960-04-01	14.9150743099788
1960-07-01	15.0905432595573
1960-10-01	14.9039476461896
1961-01-01	14.8436677545005
1961-04-01	15.0404369288940
1961-07-01	15.0177415988311
1961-10-01	15.2099533437014
1962-01-01	15.2308326463314
1962-04-01	15.4327317473339
1962-07-01	15.8885159190316
1962-10-01	16.2153970499091
1963-01-01	16.8324791478243
1963-04-01	16.7098445595855
1963-07-01	16.8381480015829
1963-10-01	17.0221130221130
1964-01-01	17.4002347417840
1964-04-01	17.8360019408054
1964-07-01	18.0801850424056
1964-10-01	17.9546107440391
1965-01-01	18.0431050925043
1965-04-01	18.3290707587383
1965-07-01	18.2973914681232
1965-10-01	18.3147436498266
1966-01-01	17.9544606196342
1966-04-01	18.1092865757491
1966-07-01	18.4932139229988
1966-10-01	18.4486566065513
1967-01-01	18.4910157682435
1967-04-01	18.3169219547775
1967-07-01	17.9943682441639
1967-10-01	18.2994120307553
1968-01-01	17.9507975128413
1968-04-01	17.8936972526486
1968-07-01	17.6881095106021
1968-10-01	17.5311942959002
1969-01-01	18.0970149253731
1969-04-01	17.9321343138124
1969-07-01	17.9602649006623
1969-10-01	17.9938407391113
1970-01-01	18.0296257340696
1970-04-01	18.2516810758886
1970-07-01	18.0146417988496
1970-10-01	18.0144184834535
1971-01-01	17.5608910461992
1971-04-01	17.5546153181936
1971-07-01	17.8928325292901
1971-10-01	17.7005577005577
1972-01-01	17.6606485838966
1972-04-01	17.7017573792868
1972-07-01	17.6664413653261
1972-10-01	18.0053999325008
1973-01-01	17.7785246177113
1973-04-01	17.7515288598475
1973-07-01	17.5949155377153
1973-10-01	17.7268942547877
1974-01-01	17.8894139103042
1974-04-01	17.8527151004215
1974-07-01	18.0678161867833
1974-10-01	18.1130213045982
1975-01-01	18.5221594167281
1975-04-01	18.6448979591837
1975-07-01	18.4910881419386
1975-10-01	18.0786380218889
1976-01-01	18.2479392274123
1976-04-01	18.7409318071901
1976-07-01	18.8052741598328
1976-10-01	18.8597546307433
1977-01-01	18.9779270633397
1977-04-01	19.3206283390479
1977-07-01	19.1888667992048
1977-10-01	19.3909112538663
1978-01-01	19.2712871287129
1978-04-01	19.1533054261117
1978-07-01	19.5588814493895
1978-10-01	19.5631678189818
1979-01-01	19.7368421052632
1979-04-01	19.4390186733339
1979-07-01	19.4217130387343
1979-10-01	19.6285647680472
1980-01-01	19.8620582765034
1980-04-01	19.9907378820624
1980-07-01	19.8429198429198
1980-10-01	19.7206875383671
1981-01-01	19.5101415996938
1981-04-01	19.8349002522357
1981-07-01	19.8993211806880
1981-10-01	20.2330185805666
1982-01-01	20.2034773365728
1982-04-01	20.0423857099606
1982-07-01	20.2866842700868
1982-10-01	20.0947938609690
1983-01-01	20.0164929904790
1983-04-01	20.0014959982048
1983-07-01	20.2653350227324
1983-10-01	20.4325851048015
1984-01-01	20.6065549458698
1984-04-01	20.7357612469528
1984-07-01	20.7940483205657
1984-10-01	20.8813808299669
1985-01-01	21.0980966325037
1985-04-01	21.3816749343449
1985-07-01	21.5169602562236
1985-10-01	21.5865419476470
1986-01-01	21.6737732167377
1986-04-01	21.7221981826049
1986-07-01	21.6732495511670
1986-10-01	21.9262441818833
1987-01-01	22.0874652208033
1987-04-01	22.2159050529458
1987-07-01	22.1734202323604
1987-10-01	22.3257784367719
1988-01-01	22.4034877997328
1988-04-01	22.4043715846995
1988-07-01	22.4963309805018
1988-10-01	22.6352056796826
1989-01-01	22.6811996667592
1989-04-01	22.5549868584866
1989-07-01	22.5766448501550
1989-10-01	22.5611431712009
1990-01-01	22.6378896882494
1990-04-01	22.4567875930860
1990-07-01	22.4001635545863
1990-10-01	22.1588207322872
1991-01-01	22.0949928856969
1991-04-01	22.0182247721904
1991-07-01	21.9873434765046
1991-10-01	22.0108878284831
1992-01-01	21.6575030172992
1992-04-01	21.9672131147541
1992-07-01	21.9790485087075
1992-10-01	21.7865938893696
1993-01-01	21.8733404142326
1993-04-01	21.8437272185035
1993-07-01	21.9533161409773
1993-10-01	21.7896265012538
1994-01-01	22.0180464993743
1994-04-01	22.0490563556257
1994-07-01	22.0967636053305
1994-10-01	22.3103131961735
1995-01-01	22.4003664681631
1995-04-01	22.4415109136061
1995-07-01	22.0902147659769
1995-10-01	22.2837415320479
1996-01-01	22.3857273082433
1996-04-01	22.2669959703627
1996-07-01	22.0173958198105
1996-10-01	22.1170674790951
1997-01-01	21.9732679021115
1997-04-01	21.9235479920067
1997-07-01	22.2751561192300
1997-10-01	22.4672152224222
1998-01-01	22.5046537004943
1998-04-01	22.4402128614477
1998-07-01	22.7505439651862
1998-10-01	22.8078030060761
1999-01-01	22.7647472358919
1999-04-01	22.9467364925278
1999-07-01	23.0406224092851
1999-10-01	23.0935847614194
2000-01-01	23.3299401959537
2000-04-01	23.6333587592169
2000-07-01	23.6258499078605
2000-10-01	23.3872502378687
2001-01-01	23.8686779059450
2001-04-01	24.1455696202532
2001-07-01	24.3485960030357
2001-10-01	24.5943044768580
2002-01-01	24.8297174571140
2002-04-01	25.2159656977111
2002-07-01	25.2015621063240
2002-10-01	25.5809559795957
2003-01-01	25.5775889203651
2003-04-01	25.5626807494027
2003-07-01	25.9861809045226
2003-10-01	26.0883221307871
2004-01-01	26.3204170068454
2004-04-01	26.3960346342076
2004-07-01	26.5126788852624
2004-10-01	26.6436637390213
2005-01-01	26.6344585267913
2005-04-01	26.7197592023578
2005-07-01	26.5889432117337
2005-10-01	26.5660235529942
2006-01-01	26.6892103450435
2006-04-01	26.7901852779169
2006-07-01	26.7246231784352
2006-10-01	26.7396061269147
2007-01-01	26.6874610106051
2007-04-01	26.6737314549308
2007-07-01	26.8157468543665
2007-10-01	26.9003299508186
2008-01-01	27.0384663264036
2008-04-01	26.9927198058615
2008-07-01	27.2314486533557
2008-10-01	27.2495491573907
2009-01-01	27.5463250839448
2009-04-01	27.7715635098185
2009-07-01	27.9614667495339
2009-10-01	28.1461686657138
2010-01-01	28.0810844422336
2010-04-01	28.2011437095972
2010-07-01	28.1622763419483
2010-10-01	28.3894619112713
2011-01-01	28.4107852882704
2011-04-01	28.6282553297284
2011-07-01	28.8689921034633
2011-10-01	28.8315724052206
2012-01-01	28.9913616307252
2012-04-01	29.2047503575204
2012-07-01	29.2855810483119
2012-10-01	29.3320064684662
2013-01-01	29.3945616327546
2013-04-01	29.3674979787300
2013-07-01	29.4216417910448
2013-10-01	29.4706723891273
2014-01-01	29.5614307931571
2014-04-01	29.4128622963055
2014-07-01	29.4564000497574
2014-10-01	29.7263681592040
2015-01-01	29.4944344257198
2015-04-01	29.7519119567245
2015-07-01	29.6568017905994
2015-10-01	29.6114392290954
2016-01-01	29.6501149711019
2016-04-01	29.5046304928833
2016-07-01	29.5101330349372
2016-10-01	29.3218126437496
2017-01-01	29.5046304928833
2017-04-01	29.4479671764267
2017-07-01	29.3342450425810
2017-10-01	29.4684488654026
2018-01-01	28.9632439828348
2018-04-01	28.7420679357969
2018-07-01	28.9323046291687