Quarter	Percent, Seasonally Adjusted
1970-01-01	0.691049418874131
1970-04-01	0.795756668488406
1970-07-01	0.775558489001520
1970-10-01	0.810517505400153
1971-01-01	0.764159554742998
1971-04-01	0.881617609276983
1971-07-01	0.878322313758264
1971-10-01	1.033323156349960
1972-01-01	1.061353080875990
1972-04-01	1.100683888153120
1972-07-01	0.969487572438753
1972-10-01	0.799060446562380
1973-01-01	0.840152252766666
1973-04-01	0.915735239718250
1973-07-01	0.950582812698514
1973-10-01	0.950300471476945
1974-01-01	1.043325398574560
1974-04-01	0.838240330150231
1974-07-01	1.141496365831810
1974-10-01	1.412565254784740
1975-01-01	1.477650563330490
1975-04-01	1.598816573461280
1975-07-01	1.422323610316470
1975-10-01	1.535766413583470
1976-01-01	1.452867113483940
1976-04-01	1.467909305042170
1976-07-01	1.461692041667070
1976-10-01	1.340367245412950
1977-01-01	1.447212289052270
1977-04-01	1.578392157681460
1977-07-01	1.600750182501740
1977-10-01	1.744362057627290
1978-01-01	1.753965987887070
1978-04-01	1.804781233317170
1978-07-01	1.805403066199900
1978-10-01	1.688341450616530
1979-01-01	1.718846806206810
1979-04-01	1.684320883644260
1979-07-01	1.728285756223630
1979-10-01	1.751964987451550
1980-01-01	1.639637596800930
1980-04-01	1.705641757125540
1980-07-01	1.855516590561450
1980-10-01	1.851442574574340
1981-01-01	1.867007092534300
1981-04-01	1.905427247536160
1981-07-01	1.731292860692520
1981-10-01	1.828653124292280
1982-01-01	1.735279118769330
1982-04-01	1.946371386407660
1982-07-01	1.966097823264440
1982-10-01	2.107810731442120
1983-01-01	2.310887290467710
1983-04-01	2.264618644761190
1983-07-01	2.433016980337120
1983-10-01	2.348473867899480
1984-01-01	2.427824405719180
1984-04-01	2.358279797054560
1984-07-01	2.362103308493520
1984-10-01	2.380736215270900
1985-01-01	2.265563776577910
1985-04-01	2.292010163530720
1985-07-01	2.268303718045000
1985-10-01	2.346554685784640
1986-01-01	2.316352694720300
1986-04-01	2.378834602003020
1986-07-01	2.516012846798370
1986-10-01	2.366349388168870
1987-01-01	2.506150162734820
1987-04-01	2.619600707153900
1987-07-01	2.195431762502210
1987-10-01	2.300207723402990
1988-01-01	2.265004392131210
1988-04-01	2.081562325778610
1988-07-01	2.294455066921610
1988-10-01	2.211279027125450
1989-01-01	2.122472115292910
1989-04-01	1.944581398624740
1989-07-01	1.869756286627680
1989-10-01	1.874542901857100
1990-01-01	1.841281264953100
1990-04-01	1.884200064694570
1990-07-01	1.830671534924550
1990-10-01	1.768085795961720
1991-01-01	1.686821791415740
1991-04-01	1.971862923961620
1991-07-01	1.883453505425120
1991-10-01	1.867344675053910
1992-01-01	1.876360848654620
1992-04-01	1.778072296939670
1992-07-01	1.889758237944450
1992-10-01	2.000834600172670
1993-01-01	2.057559044493770
1993-04-01	2.070253393627220
1993-07-01	2.150702972001400
1993-10-01	2.356368431608490
1994-01-01	2.538400125335210
1994-04-01	2.393589291047410
1994-07-01	2.544728430578720
1994-10-01	2.525407337162410
1995-01-01	2.540422186365530
1995-04-01	2.693223541030540
1995-07-01	2.721858538306930
1995-10-01	2.824280734529740
1996-01-01	2.752496573473260
1996-04-01	2.795016980706240
1996-07-01	2.786177652264990
1996-10-01	2.834587026141360
1997-01-01	2.867402235986090
1997-04-01	2.966922288300130
1997-07-01	2.831664512899890
1997-10-01	2.952033946591100
1998-01-01	2.984566976620470
1998-04-01	3.436603029130250
1998-07-01	3.670269747311480
1998-10-01	3.803539102715220
1999-01-01	3.923949229906700
1999-04-01	3.850596905720790
1999-07-01	3.981632321423950
1999-10-01	3.837622746164980
2000-01-01	4.010116680732970
2000-04-01	4.078789915525710
2000-07-01	3.895023501545990
2000-10-01	3.846100007711760
2001-01-01	3.956905390703040
2001-04-01	4.060498730372490
2001-07-01	4.314663966966960
2001-10-01	4.454529981242990
2002-01-01	4.638299385036600
2002-04-01	4.622214854979300
2002-07-01	4.558220538425260
2002-10-01	4.595877674479860
2003-01-01	4.536514608802080
2003-04-01	4.501845523365800
2003-07-01	4.372949108048450
2003-10-01	4.331070975930350
2004-01-01	4.037127349116540
2004-04-01	4.032256987411730
2004-07-01	3.949921203449300
2004-10-01	3.728573485809070
2005-01-01	3.882610655020030
2005-04-01	3.731274561785960
2005-07-01	3.746469364476910
2005-10-01	3.859767633170980
2006-01-01	3.502834983193150
2006-04-01	3.519696887489930
2006-07-01	3.481587321887710
2006-10-01	3.356290400050080
2007-01-01	3.482646131996120
2007-04-01	3.271408773517390
2007-07-01	3.161376378671340
2007-10-01	3.304827162517000
2008-01-01	3.489654216144100
2008-04-01	3.587158275983020
2008-07-01	3.517818237863160
2008-10-01	3.511480972814230
2009-01-01	4.099447174242760
2009-04-01	4.335029196591190
2009-07-01	4.618432250358280
2009-10-01	4.562408713671180
2010-01-01	4.289436388883050
2010-04-01	4.227554017736480
2010-07-01	4.151389775211730
2010-10-01	4.095396681550690
2011-01-01	3.992561836680810
2011-04-01	3.943817308741020
2011-07-01	3.804722800152310
2011-10-01	3.670820861792680
2012-01-01	3.855347040657390
2012-04-01	3.745331097025920
2012-07-01	3.582754703850530
2012-10-01	3.610128479587140
2013-01-01	3.552317258235120
2013-04-01	3.470188048339070
2013-07-01	3.335168238313390
2013-10-01	3.417676824993890
2014-01-01	3.266953013145910
2014-04-01	3.210786865788400
2014-07-01	3.207316865709820
2014-10-01	2.982795163934560
2015-01-01	2.987904280658370
2015-04-01	2.880433964330360
2015-07-01	2.981092982204010
2015-10-01	2.770123426999290
2016-01-01	2.709873486458810
2016-04-01	2.733964455033440
2016-07-01	2.616166183165900
2016-10-01	2.617361633508280
2017-01-01	2.543797381778250
2017-04-01	2.485270798809750
2017-07-01	2.404602536597740
2017-10-01	2.418889748758770
2018-01-01	2.171327437339480
2018-04-01	2.016283861746200
2018-07-01	2.165351494380570