Quarter	Percent, Seasonally Adjusted
1960-01-01	83.4238262535931
1960-04-01	83.7261146496815
1960-07-01	83.6598538600021
1960-10-01	83.8505383153895
1961-01-01	84.0404253079272
1961-04-01	83.7307005566642
1961-07-01	83.8342725944479
1961-10-01	83.7428719543805
1962-01-01	83.8314097279472
1962-04-01	83.5931091058244
1962-07-01	83.1349811819754
1962-10-01	82.7136795312184
1963-01-01	82.0520550698422
1963-04-01	82.3435631725787
1963-07-01	82.1725366046696
1963-10-01	82.0147420147420
1964-01-01	81.6510172143975
1964-04-01	81.2906356137797
1964-07-01	81.0138781804164
1964-10-01	81.1835679402471
1965-01-01	81.1748998664886
1965-04-01	80.7142180543715
1965-07-01	80.7138148601563
1965-10-01	80.6917236854438
1966-01-01	81.0470324748040
1966-04-01	80.8794878931255
1966-07-01	80.5188809897516
1966-10-01	80.5483989694516
1967-01-01	80.4638797213055
1967-04-01	80.7622173595916
1967-07-01	81.1427014261059
1967-10-01	80.6965174129353
1968-01-01	81.0218978102190
1968-04-01	81.1276710360927
1968-07-01	81.2740449136620
1968-10-01	81.5508021390374
1969-01-01	80.9612651030562
1969-04-01	81.0401346682024
1969-07-01	81.0860927152318
1969-10-01	81.1526616805983
1970-01-01	81.0938732579542
1970-04-01	80.8051698541612
1970-07-01	80.9395154261810
1970-10-01	80.9085381742378
1971-01-01	81.4509837912802
1971-04-01	81.3919350660565
1971-07-01	81.0647829083391
1971-10-01	81.1239811239811
1972-01-01	81.0558740480876
1972-04-01	81.1124381504862
1972-07-01	81.0324433930382
1972-10-01	80.7964900438744
1973-01-01	81.1292219794992
1973-04-01	81.0588925190584
1973-07-01	81.3263087472822
1973-10-01	81.2489592006661
1974-01-01	81.0246207411092
1974-04-01	81.0397553516820
1974-07-01	80.7359128784754
1974-10-01	80.5461873817554
1975-01-01	80.0032768083886
1975-04-01	79.8285714285714
1975-07-01	79.8893139090095
1975-10-01	80.0891771382246
1976-01-01	79.8933247131081
1976-04-01	79.4373690149927
1976-07-01	79.4420324811063
1976-10-01	79.4563387057974
1977-01-01	79.3026231605886
1977-04-01	78.9330994338570
1977-07-01	79.0775347912525
1977-10-01	78.9277500198271
1978-01-01	78.8356435643564
1978-04-01	78.9353131664166
1978-07-01	78.5191020086648
1978-10-01	78.5276555625393
1979-01-01	78.5166040100251
1979-04-01	78.8577232596296
1979-07-01	78.8247213779129
1979-10-01	78.7007537493201
1980-01-01	78.5880347179169
1980-04-01	78.4501389317691
1980-07-01	78.5246785246785
1980-10-01	78.4914057704113
1981-01-01	78.7141216991963
1981-04-01	78.3153710922571
1981-07-01	78.3082907482267
1981-10-01	77.9622296679866
1982-01-01	77.9667451218586
1982-04-01	78.0502573418105
1982-07-01	77.7970577140702
1982-10-01	77.9416190189588
1983-01-01	77.8469150610990
1983-04-01	77.8667065599521
1983-07-01	77.6104941492137
1983-10-01	77.4862494425450
1984-01-01	77.2653121755895
1984-04-01	77.1367363522198
1984-07-01	77.0477312905126
1984-10-01	77.0473742196107
1985-01-01	76.8667642752562
1985-04-01	76.6632623285672
1985-07-01	76.5176881642160
1985-10-01	76.2598796316438
1986-01-01	76.2665317626653
1986-04-01	76.1502956872926
1986-07-01	76.1364452423698
1986-10-01	75.8968850698174
1987-01-01	75.6581294142826
1987-04-01	75.4601662994812
1987-07-01	75.6446585434968
1987-10-01	75.5772082185978
1988-01-01	75.5080514731735
1988-04-01	75.6970715987109
1988-07-01	75.6237333146970
1988-10-01	75.5968539013016
1989-01-01	75.6039988891974
1989-04-01	75.6397842025176
1989-07-01	75.7147778160524
1989-10-01	75.7763121736741
1990-01-01	75.7519698526893
1990-04-01	75.9923481587757
1990-07-01	76.0460678751533
1990-10-01	76.2516133414850
1991-01-01	76.2924317365675
1991-04-01	76.4360445494431
1991-07-01	76.4440554732732
1991-10-01	76.4769137710868
1992-01-01	76.7936167359528
1992-04-01	76.4068250250920
1992-07-01	76.3661840261560
1992-10-01	76.4827264860547
1993-01-01	76.4073287307488
1993-04-01	76.3204983763006
1993-07-01	76.1489122528599
1993-10-01	76.1449122343936
1994-01-01	75.8414015675426
1994-04-01	75.7743144604458
1994-07-01	75.6121578152695
1994-10-01	75.4422749312017
1995-01-01	75.2961193639160
1995-04-01	75.2450660044439
1995-07-01	75.5010118153926
1995-10-01	75.1107347576863
1996-01-01	75.0162781612189
1996-04-01	75.0877421032107
1996-07-01	75.3927041412437
1996-10-01	75.2771115576586
1997-01-01	75.4632917931168
1997-04-01	75.5753239218720
1997-07-01	75.0402369149553
1997-10-01	74.7942915916688
1998-01-01	74.5554913665832
1998-04-01	74.3412194652818
1998-07-01	73.9216690131832
1998-10-01	73.7575951391110
1999-01-01	73.5987729277178
1999-04-01	73.2213564950824
1999-07-01	73.2542567438301
1999-10-01	73.2560361852583
2000-01-01	72.8082453238325
2000-04-01	72.7053140096618
2000-07-01	72.6758594395374
2000-10-01	72.8639391056137
2001-01-01	72.3982760806186
2001-04-01	71.9746835443038
2001-07-01	71.6670882873767
2001-10-01	71.1624676390731
2002-01-01	71.1150353178608
2002-04-01	70.6223595434769
2002-07-01	70.5845301083396
2002-10-01	70.2752062472448
2003-01-01	70.2738432483475
2003-04-01	70.1936376210235
2003-07-01	70.0251256281407
2003-10-01	70.0546516741001
2004-01-01	69.9302895183068
2004-04-01	70.0025097251851
2004-07-01	69.8217424052222
2004-10-01	69.8996235884567
2005-01-01	69.8895720918559
2005-04-01	69.9191070420769
2005-07-01	70.1704901592077
2005-10-01	70.1140065146580
2006-01-01	70.0231698916651
2006-04-01	70.0926389584376
2006-07-01	70.1482269059979
2006-10-01	70.1594248202563
2007-01-01	70.3243917654398
2007-04-01	70.4774965714998
2007-07-01	70.3999003363648
2007-10-01	70.2297204756272
2008-01-01	70.0672227063364
2008-04-01	70.0516458216664
2008-07-01	69.8202400945450
2008-10-01	69.7033766556806
2009-01-01	69.1207561248601
2009-04-01	68.3507332836192
2009-07-01	67.9614667495339
2009-10-01	68.0069604126530
2010-01-01	68.0512374082826
2010-04-01	67.8766782695176
2010-07-01	67.9796222664016
2010-10-01	67.8140922082764
2011-01-01	67.9982604373758
2011-04-01	67.8475977375847
2011-07-01	67.8045140831934
2011-10-01	67.7625854568055
2012-01-01	67.6465104716922
2012-04-01	67.4998445563638
2012-07-01	67.5371510290369
2012-10-01	67.5768130364473
2013-01-01	67.4009084686703
2013-04-01	67.5912681136886
2013-07-01	67.5497512437811
2013-10-01	67.6805374136966
2014-01-01	67.7822706065319
2014-04-01	67.9126757059336
2014-07-01	67.9126757059336
2014-10-01	67.6990049751244
2015-01-01	67.9373173310117
2015-04-01	67.7609898650749
2015-07-01	67.8500373041532
2015-10-01	67.9328566987877
2016-01-01	67.9075259461811
2016-04-01	68.1459382186587
2016-07-01	68.1710804426209
2016-10-01	68.3906259712812
2017-01-01	68.3448318727081
2017-04-01	68.4197438766629
2017-07-01	68.5708957543358
2017-10-01	68.5234690705626
2018-01-01	69.1958455127806
2018-04-01	69.3915640164240
2018-07-01	69.2570930811349