Quarter	Percent, Seasonally Adjusted
1962-01-01	0.454978201479205
1962-04-01	0.470397608249966
1962-07-01	0.479645017562138
1962-10-01	0.514931597666407
1963-01-01	0.732608799466188
1963-04-01	0.554854495163771
1963-07-01	0.571894706425475
1963-10-01	0.569483676049179
1964-01-01	0.559043155378373
1964-04-01	0.537383977090097
1964-07-01	0.537166783150511
1964-10-01	0.508254359924285
1965-01-01	0.516763665247151
1965-04-01	0.511374050687411
1965-07-01	0.477534244865399
1965-10-01	0.457009558691129
1966-01-01	0.418132422278784
1966-04-01	0.443617945890113
1966-07-01	0.538803615817216
1966-10-01	0.762407574215135
1967-01-01	1.058277955547820
1967-04-01	1.790120123901480
1967-07-01	1.842541191541040
1967-10-01	1.645643052201070
1968-01-01	1.214174850484510
1968-04-01	1.297676660256610
1968-07-01	1.081254228128770
1968-10-01	0.882189190628760
1969-01-01	0.725670624616550
1969-04-01	0.608613984786462
1969-07-01	0.527380817555335
1969-10-01	0.479555672053389
1970-01-01	0.514174625019273
1970-04-01	0.422116424471645
1970-07-01	0.399363086462171
1970-10-01	0.386080889948478
1971-01-01	0.411437856668886
1971-04-01	0.425696623917361
1971-07-01	0.471948722312365
1971-10-01	0.550597214264600
1972-01-01	0.617458189156629
1972-04-01	0.654553288258464
1972-07-01	0.699943352726426
1972-10-01	0.655364822616167
1973-01-01	0.612376597876243
1973-04-01	0.644173798991510
1973-07-01	0.689138233175822
1973-10-01	0.840613143276900
1974-01-01	1.067223765355420
1974-04-01	1.309416336592850
1974-07-01	1.617235697535170
1974-10-01	2.122482831177660
1975-01-01	2.326097284001910
1975-04-01	3.062303914371170
1975-07-01	3.326809066717550
1975-10-01	3.205140126157480
1976-01-01	2.900449054823850
1976-04-01	2.834128403767980
1976-07-01	2.667295072948240
1976-10-01	2.570285095879900
1977-01-01	2.499576739700260
1977-04-01	2.518672336661360
1977-07-01	2.526498680033520
1977-10-01	2.503236856615060
1978-01-01	2.427833758779520
1978-04-01	2.427564865577850
1978-07-01	2.340984148935210
1978-10-01	2.236225269137420
1979-01-01	2.194144933814160
1979-04-01	2.000981494472170
1979-07-01	1.926671749042140
1979-10-01	1.851397191353880
1980-01-01	1.861399778002550
1980-04-01	1.921601822143860
1980-07-01	2.066972773075530
1980-10-01	2.251920729358210
1981-01-01	2.551202522587880
1981-04-01	2.854062644563460
1981-07-01	3.258388915910310
1981-10-01	3.739760631044880
1982-01-01	4.192669348052620
1982-04-01	4.639187471698040
1982-07-01	5.056408742554460
1982-10-01	5.554253546861460
1983-01-01	5.829933742985010
1983-04-01	6.155560998376740
1983-07-01	6.190442466158620
1983-10-01	6.149486368657220
1984-01-01	6.041138284957920
1984-04-01	6.091298380665160
1984-07-01	6.153398379113700
1984-10-01	6.124138916149140
1985-01-01	6.198423847263390
1985-04-01	6.205620780357700
1985-07-01	6.096955284854890
1985-10-01	6.016319871376720
1986-01-01	5.914929185714140
1986-04-01	5.722190724738830
1986-07-01	5.599123261149890
1986-10-01	5.540839457443410
1987-01-01	5.700514627913300
1987-04-01	5.702077981829750
1987-07-01	5.717795105771910
1987-10-01	5.716524619433550
1988-01-01	5.535215253496580
1988-04-01	5.512634977092360
1988-07-01	5.386281018295160
1988-10-01	5.259502402411710
1989-01-01	5.019704839807530
1989-04-01	4.868625767410160
1989-07-01	4.717367485748760
1989-10-01	4.648788118166390
1990-01-01	4.367165273098080
1990-04-01	4.219443882096660
1990-07-01	4.114527004475910
1990-10-01	4.094283286108780
1991-01-01	4.254675329215900
1991-04-01	4.446051565205970
1991-07-01	4.793832670595920
1991-10-01	4.903668340799640
1992-01-01	5.187066178411030
1992-04-01	5.346301793120580
1992-07-01	5.530066966383030
1992-10-01	5.780203397296960
1993-01-01	6.171818405343580
1993-04-01	6.537248864216130
1993-07-01	6.927661198204110
1993-10-01	7.317751131733840
1994-01-01	7.300827660157580
1994-04-01	7.440782906171490
1994-07-01	7.325552680272490
1994-10-01	7.212432893400170
1995-01-01	7.046511693081050
1995-04-01	7.146194141390590
1995-07-01	7.354521882854530
1995-10-01	7.576310106036970
1996-01-01	8.094602512071940
1996-04-01	8.335014811808380
1996-07-01	8.533519653339440
1996-10-01	8.805999556859860
1997-01-01	9.185114117116110
1997-04-01	9.319210647786820
1997-07-01	9.492376923946190
1997-10-01	9.519276571574500
1998-01-01	9.160262728146590
1998-04-01	9.049028191169080
1998-07-01	8.746534730298280
1998-10-01	8.496491570464690
1999-01-01	8.398929439735510
1999-04-01	8.193199454560460
1999-07-01	8.069703759082590
1999-10-01	7.917785822269520
2000-01-01	7.744446948549370
2000-04-01	7.583983667871460
2000-07-01	7.529714614484820
2000-10-01	7.458953795039610
2001-01-01	7.577967224920670
2001-04-01	7.688433077439430
2001-07-01	7.885209500793640
2001-10-01	8.178050836297420
2002-01-01	8.420453967838540
2002-04-01	8.719571271085290
2002-07-01	9.092002060194890
2002-10-01	9.459474107531440
2003-01-01	9.909508171642850
2003-04-01	10.109229084369300
2003-07-01	10.188923127458200
2003-10-01	10.162218630364800
2004-01-01	10.168623902490800
2004-04-01	10.114408844760800
2004-07-01	10.375267765439400
2004-10-01	10.564624648818300
2005-01-01	11.088234313513200
2005-04-01	11.528902560642600
2005-07-01	11.579835947579500
2005-10-01	11.377570165765600
2006-01-01	10.940583889536800
2006-04-01	10.522130861918100
2006-07-01	10.014330729670700
2006-10-01	9.779433727070100
2007-01-01	9.082250569852930
2007-04-01	8.543789814847620
2007-07-01	8.463495772807040
2007-10-01	8.090409792094860
2008-01-01	7.658034130761020
2008-04-01	7.585714680790040
2008-07-01	7.084118951671280
2008-10-01	7.359706662636930
2009-01-01	7.801823153936440
2009-04-01	8.169522628816760
2009-07-01	8.389111012797610
2009-10-01	8.056918157096870
2010-01-01	7.912948100300270
2010-04-01	7.464728581965460
2010-07-01	7.145901372227890
2010-10-01	6.938101054469330
2011-01-01	6.416724631816380
2011-04-01	6.165013937736650
2011-07-01	5.911268078803800
2011-10-01	5.642510904041170
2012-01-01	5.653904672547230
2012-04-01	5.493813671962410
2012-07-01	5.555764344498180
2012-10-01	5.506847371967370
2013-01-01	5.620835416113770
2013-04-01	5.498533483908240
2013-07-01	5.496081121731680
2013-10-01	5.396685799342620
2014-01-01	5.390000884926330
2014-04-01	5.297971572515020
2014-07-01	5.225635945383640
2014-10-01	5.220825355487180
2015-01-01	5.090238044257120
2015-04-01	5.075743607213790
2015-07-01	4.907973723300290
2015-10-01	4.823059965452190
2016-01-01	4.538127469741300
2016-04-01	4.500661996993220
2016-07-01	4.432916835157830
2016-10-01	4.331984758515850
2017-01-01	4.272148079476020
2017-04-01	4.177048948032900
2017-07-01	4.048990615020560
2017-10-01	3.970619974011030
2018-01-01	3.884708453803350
2018-04-01	3.822439980772610