Quarter	Percent, Seasonally Adjusted
1960-01-01	53.1281131699542
1960-04-01	53.4159643034209
1960-07-01	54.4725111441308
1960-10-01	53.9243755553362
1961-01-01	54.2203006779994
1961-04-01	53.3804337160239
1961-07-01	53.2226562500000
1961-10-01	53.5294688804738
1962-01-01	52.9984573852680
1962-04-01	52.7588523174360
1962-07-01	52.6120114394662
1962-10-01	52.2200132538105
1963-01-01	51.3987001977960
1963-04-01	51.4005602240896
1963-07-01	51.3832157445228
1963-10-01	51.2181616832780
1964-01-01	51.1551155115512
1964-04-01	50.7779091984351
1964-07-01	50.1899077590884
1964-10-01	49.9595287345984
1965-01-01	50.2774297476284
1965-04-01	49.7288165733084
1965-07-01	50.0530879490356
1965-10-01	50.0572737686140
1966-01-01	50.2980364656382
1966-04-01	50.0261597488664
1966-07-01	50.2431822129581
1966-10-01	50.2249524139124
1967-01-01	50.2844827586207
1967-04-01	50.9493942778589
1967-07-01	50.2651839178785
1967-10-01	50.3617945007236
1968-01-01	50.0042419614830
1968-04-01	50.2916067957062
1968-07-01	50.2063853087356
1968-10-01	50.0881538074049
1969-01-01	49.6904801740003
1969-04-01	49.6164749041187
1969-07-01	49.7504990019960
1969-10-01	49.4153744091550
1970-01-01	49.4097250887476
1970-04-01	49.6174413821473
1970-07-01	49.5935626898760
1970-10-01	48.9274602914688
1971-01-01	48.8448036574414
1971-04-01	48.4355952864689
1971-07-01	48.1986368062317
1971-10-01	47.7609523038303
1972-01-01	47.4092636003557
1972-04-01	46.8148506080374
1972-07-01	46.9973682111811
1972-10-01	47.6216901855082
1973-01-01	48.4611742424242
1973-04-01	47.2830366986927
1973-07-01	47.3973895266551
1973-10-01	47.9522987603954
1974-01-01	46.7026097827786
1974-04-01	46.4455345324301
1974-07-01	45.6771886176333
1974-10-01	45.4707754405030
1975-01-01	44.9810386193019
1975-04-01	45.3480305249364
1975-07-01	45.3525024986546
1975-10-01	44.7160701969500
1976-01-01	45.2012857798867
1976-04-01	44.7934136301266
1976-07-01	45.3619221411192
1976-10-01	45.2855950845786
1977-01-01	45.5536214334368
1977-04-01	46.0522342995169
1977-07-01	46.0785789552913
1977-10-01	46.1503827104908
1978-01-01	46.2442017058207
1978-04-01	46.6950164130110
1978-07-01	46.3969658659924
1978-10-01	46.7892629393445
1979-01-01	46.8756932633292
1979-04-01	46.6528895121411
1979-07-01	46.8262150220913
1979-10-01	46.8295904887715
1980-01-01	46.6734977676938
1980-04-01	46.7756054858477
1980-07-01	47.1987776484284
1980-10-01	46.5704756380510
1981-01-01	46.4544138929088
1981-04-01	46.6965123835656
1981-07-01	46.8074373018161
1981-10-01	47.2120296424203
1982-01-01	47.2279997131177
1982-04-01	46.9705630180051
1982-07-01	46.7577763541889
1982-10-01	47.4405395811147
1983-01-01	47.9549957543164
1983-04-01	47.8570924239215
1983-07-01	47.8386370036609
1983-10-01	47.8096040438079
1984-01-01	47.3208657280941
1984-04-01	47.7031555431444
1984-07-01	47.9017328972093
1984-10-01	47.9319916724497
1985-01-01	47.8585760741715
1985-04-01	47.6197047053953
1985-07-01	47.6603358106248
1985-10-01	47.3265697833836
1986-01-01	47.6707650273224
1986-04-01	47.4326628025912
1986-07-01	47.4645305817664
1986-10-01	47.4108170310702
1987-01-01	47.2428205473911
1987-04-01	47.4232345629242
1987-07-01	47.4625066952330
1987-10-01	47.8153558801948
1988-01-01	47.7448110697179
1988-04-01	47.8001590246488
1988-07-01	47.8844373925691
1988-10-01	47.8885302062059
1989-01-01	48.1104173512981
1989-04-01	48.5618816746380
1989-07-01	48.6848116963645
1989-10-01	48.7698516011455
1990-01-01	49.1460484447042
1990-04-01	49.0905560230436
1990-07-01	49.2766726943942
1990-10-01	49.2499839052340
1991-01-01	49.6436597110754
1991-04-01	49.6254082090030
1991-07-01	49.8148148148148
1991-10-01	49.8598011725720
1992-01-01	49.8318207780669
1992-04-01	49.6640892381797
1992-07-01	49.5261561789234
1992-10-01	49.7983108533972
1993-01-01	49.0346519086850
1993-04-01	49.0118577075099
1993-07-01	49.0737263737639
1993-10-01	49.1321178821179
1994-01-01	48.8998317023001
1994-04-01	49.0260750513411
1994-07-01	48.5435687224396
1994-10-01	48.5896720600087
1995-01-01	48.7031878675333
1995-04-01	48.4893419833179
1995-07-01	48.3827160493827
1995-10-01	48.1367416076378
1996-01-01	48.2060434488276
1996-04-01	48.3506357884391
1996-07-01	48.5864965965536
1996-10-01	48.3957874112172
1997-01-01	48.5994996033441
1997-04-01	48.6172027290448
1997-07-01	48.8168380071781
1997-10-01	48.6550488797134
1998-01-01	48.6545454545455
1998-04-01	48.2606328271523
1998-07-01	48.0466155425397
1998-10-01	47.7350865552808
1999-01-01	47.4226183307238
1999-04-01	47.6050066193284
1999-07-01	47.4980476962816
1999-10-01	47.2970540589188
2000-01-01	47.0260557053010
2000-04-01	47.1379867216939
2000-07-01	47.1473803691977
2000-10-01	47.2535337269637
2001-01-01	47.3524331407469
2001-04-01	46.8776019983347
2001-07-01	46.5399465399466
2001-10-01	46.7453165757648
2002-01-01	46.3239653741255
2002-04-01	45.9273739707363
2002-07-01	45.9462658302758
2002-10-01	46.1379228767447
2003-01-01	45.9183070284329
2003-04-01	46.0394286388856
2003-07-01	46.0005894488653
2003-10-01	45.9679320914878
2004-01-01	46.1706010478601
2004-04-01	46.0719745972010
2004-07-01	46.3688794726930
2004-10-01	46.0493827160494
2005-01-01	46.2591026544515
2005-04-01	46.4763918252290
2005-07-01	46.5379650275789
2005-10-01	46.2233169129721
2006-01-01	46.5455610899502
2006-04-01	46.3836017569546
2006-07-01	46.6732986131430
2006-10-01	46.8806642109572
2007-01-01	46.4577975216273
2007-04-01	46.8149705143925
2007-07-01	46.5604761071241
2007-10-01	46.8657064551869
2008-01-01	46.5442890442890
2008-04-01	46.7490095548823
2008-07-01	46.4346003841900
2008-10-01	46.4815784878645
2009-01-01	46.4335582964859
2009-04-01	46.1466876054208
2009-07-01	46.2669223171228
2009-10-01	46.0037174721190
2010-01-01	46.2476765799256
2010-04-01	46.0792849265773
2010-07-01	46.3641111949394
2010-10-01	46.3202458968857
2011-01-01	46.3076744725249
2011-04-01	46.0139049826188
2011-07-01	46.0904872389791
2011-10-01	46.2533348799443
2012-01-01	46.0793411437188
2012-04-01	46.2431099506818
2012-07-01	46.3202458968857
2012-10-01	46.3452836756004
2013-01-01	46.8833430063842
2013-04-01	46.9785801358333
2013-07-01	47.0895479078405
2013-10-01	47.5455494951839
2014-01-01	47.3708647707487
2014-04-01	47.6085442303227
2014-07-01	47.6323119777159
2014-10-01	47.9886225111743
2015-01-01	47.9714434964304
2015-04-01	48.0821679336157
2015-07-01	48.1655636828051
2015-10-01	48.2646546720836
2016-01-01	48.7695879280325
2016-04-01	48.6939865335500
2016-07-01	49.1754732319127
2016-10-01	49.1202601474943
2017-01-01	49.3469553607709
2017-04-01	49.7589311646820
2017-07-01	50.0116144018583
2017-10-01	50.1365247196886
2018-01-01	51.1821086261981
2018-04-01	51.3829169087740
2018-07-01	51.3669148441136