Quarter	Percent, Seasonally Adjusted
1960-01-01	31.0355470960440
1960-04-01	30.8094530168657
1960-07-01	30.3239674497160
1960-10-01	30.5800724452834
1961-01-01	30.4416323626569
1961-04-01	30.9732717959122
1961-07-01	30.9989909182644
1961-10-01	30.8656836192196
1962-01-01	31.2630740113557
1962-04-01	31.4798295172961
1962-07-01	31.7501722610493
1962-10-01	32.1257455754376
1963-01-01	32.8440902021773
1963-04-01	32.8321526673413
1963-07-01	32.8782217112197
1963-10-01	33.0301876011808
1964-01-01	33.3159861853622
1964-04-01	33.7042253521127
1964-07-01	34.1034257444227
1964-10-01	34.1421545884755
1965-01-01	34.1054865949887
1965-04-01	34.4493876989405
1965-07-01	34.2473878724278
1965-10-01	34.2478197674419
1966-01-01	33.9207446568162
1966-04-01	34.1739716790290
1966-07-01	34.2314922567362
1966-10-01	34.2342342342342
1967-01-01	34.1936916925811
1967-04-01	33.7593984962406
1967-07-01	33.9809674861221
1967-10-01	34.1110428909745
1968-01-01	34.1432504479308
1968-04-01	33.9719585474179
1968-07-01	33.9248524817772
1968-10-01	33.9386863838803
1969-01-01	34.4236156000862
1969-04-01	34.3556701030928
1969-07-01	34.3068819322513
1969-10-01	34.4943868186281
1970-01-01	34.5576669642478
1970-04-01	34.5293569431500
1970-07-01	34.4071020925808
1970-10-01	34.7351565462897
1971-01-01	34.5777105141464
1971-04-01	34.7973538770725
1971-07-01	35.0658032170462
1971-10-01	35.1652014499396
1972-01-01	35.3060970034496
1972-04-01	35.6408981688624
1972-07-01	35.5258298797751
1972-10-01	35.4136014386137
1973-01-01	34.9098457405674
1973-04-01	35.4672403994479
1973-07-01	35.3232016210740
1973-10-01	35.1123141564318
1974-01-01	35.8271992277060
1974-04-01	35.9542902967121
1974-07-01	36.4080390743855
1974-10-01	36.4620361864441
1975-01-01	36.8632601082458
1975-04-01	36.7640645442652
1975-07-01	36.6806357238871
1975-10-01	36.7869524109675
1976-01-01	36.6058795786826
1976-04-01	37.0866635323617
1976-07-01	36.8244167415686
1976-10-01	36.9001676217207
1977-01-01	36.7934064225177
1977-04-01	36.6682177757096
1977-07-01	36.6005490469010
1977-10-01	36.6275931209995
1978-01-01	36.5168539325843
1978-04-01	36.2080871633546
1978-07-01	36.5709039439960
1978-10-01	36.3906905761160
1979-01-01	36.4234631771150
1979-04-01	36.3936541672992
1979-07-01	36.2841240392261
1979-10-01	36.3852511605087
1980-01-01	36.6247553079356
1980-04-01	36.5951541519766
1980-07-01	36.2820273050308
1980-10-01	36.5320806770309
1981-01-01	36.4785956038234
1981-04-01	36.5016893773438
1981-07-01	36.5142306552031
1981-10-01	36.4382953536549
1982-01-01	36.4216427543983
1982-04-01	36.4521700782772
1982-07-01	36.6676433960882
1982-10-01	36.1823361823362
1983-01-01	35.8268719740818
1983-04-01	35.8709864884498
1983-07-01	35.9821881109261
1983-10-01	36.1046931407942
1984-01-01	36.3842662632375
1984-04-01	36.2657478195327
1984-07-01	36.1925210234389
1984-10-01	36.2199386284165
1985-01-01	36.4118253940019
1985-04-01	36.6521292061128
1985-07-01	36.6794001131862
1985-10-01	36.8604651162791
1986-01-01	36.7374890254609
1986-04-01	36.8690409422322
1986-07-01	36.8033502006631
1986-10-01	36.9836795768521
1987-01-01	37.1031470955220
1987-04-01	37.0696501951034
1987-07-01	37.1205341777380
1987-10-01	37.0017152658662
1988-01-01	37.0684350858002
1988-04-01	37.0811767910651
1988-07-01	37.0532681070798
1988-10-01	37.1328008663869
1989-01-01	37.0505418819001
1989-04-01	36.8013728591137
1989-07-01	36.7542566027618
1989-10-01	36.7069991309579
1990-01-01	36.5676369577540
1990-04-01	36.4832973242480
1990-07-01	36.3756920730697
1990-10-01	36.2840048920768
1991-01-01	36.0792457805907
1991-04-01	35.9762108168496
1991-07-01	35.8502933176023
1991-10-01	35.8521426234871
1992-01-01	35.7275602360536
1992-04-01	35.9763043973570
1992-07-01	36.0258324138379
1992-10-01	35.7505908252129
1993-01-01	36.1572249854660
1993-04-01	36.1606135799684
1993-07-01	36.1552311748441
1993-10-01	35.9865255052936
1994-01-01	36.1802286482851
1994-04-01	36.1674234188144
1994-07-01	36.4213683941792
1994-10-01	36.5093017329256
1995-01-01	36.4622431452382
1995-04-01	36.5622816489869
1995-07-01	36.4149746192893
1995-10-01	36.6309991135874
1996-01-01	36.6362946089598
1996-04-01	36.5020212228398
1996-07-01	36.2796417759839
1996-10-01	36.4085770962562
1997-01-01	36.2278830468064
1997-04-01	36.1760100219230
1997-07-01	36.2675175175175
1997-10-01	36.3977017237072
1998-01-01	36.4237171893510
1998-04-01	36.4895570703769
1998-07-01	36.7011526392643
1998-10-01	36.8555020952972
1999-01-01	36.9527471164579
1999-04-01	36.9821843532146
1999-07-01	37.0360059391240
1999-10-01	37.2110987516994
2000-01-01	37.4614340367765
2000-04-01	37.5273489260732
2000-07-01	37.5762054313689
2000-10-01	37.3724332964466
2001-01-01	37.5403040073699
2001-04-01	37.9154912302220
2001-07-01	38.1217838765009
2001-10-01	38.1268346379648
2002-01-01	38.4060628285051
2002-04-01	38.8020037876474
2002-07-01	38.8063344826534
2002-10-01	38.9134612451576
2003-01-01	38.9957623243194
2003-04-01	38.9490988796883
2003-07-01	39.2323834433259
2003-10-01	39.3169930665369
2004-01-01	39.3734046432478
2004-04-01	39.5003642544925
2004-07-01	39.4011175898931
2004-10-01	39.6862007222846
2005-01-01	39.5892737972456
2005-04-01	39.5129495966519
2005-07-01	39.4205709436936
2005-10-01	39.5365742844162
2006-01-01	39.5617035445107
2006-04-01	39.6526685223284
2006-07-01	39.4920634920635
2006-10-01	39.4350453172206
2007-01-01	39.5847792631039
2007-04-01	39.4694000602954
2007-07-01	39.6571463003133
2007-10-01	39.5049832886694
2008-01-01	39.7357570650375
2008-04-01	39.5973760231103
2008-07-01	39.8754924663920
2008-10-01	39.8490588730531
2009-01-01	39.8605182468587
2009-04-01	40.0715079770453
2009-07-01	40.0300300300300
2009-10-01	40.2894547201537
2010-01-01	40.2216682185444
2010-04-01	40.3386573796085
2010-07-01	40.2034630735528
2010-10-01	40.3426137045482
2011-01-01	40.4047976011994
2011-04-01	40.7003237798297
2011-07-01	40.7886444797887
2011-10-01	40.7146285851434
2012-01-01	40.8381832363353
2012-04-01	40.8920370981781
2012-07-01	40.9290043809638
2012-10-01	40.9377438914570
2013-01-01	40.7062638880548
2013-04-01	40.6761341459753
2013-07-01	40.6850384245917
2013-10-01	40.4268731988473
2014-01-01	40.6185257468849
2014-04-01	40.4401609319642
2014-07-01	40.4484601068620
2014-10-01	40.4185055090216
2015-01-01	40.3296505344061
2015-04-01	40.4406026772315
2015-07-01	40.3158021133525
2015-10-01	40.2845735898898
2016-01-01	40.0564259559397
2016-04-01	40.0252108406615
2016-07-01	39.8108676073251
2016-10-01	39.7460145906512
2017-01-01	39.7370474875428
2017-04-01	39.4943094801958
2017-07-01	39.3292499849877
2017-10-01	39.3038411868937
2018-01-01	38.6133557631650
2018-04-01	38.4684711749332
2018-07-01	38.4946042624823