Quarter	Percent, Seasonally Adjusted
1970-01-01	0.855051054902550
1970-04-01	0.918783951368362
1970-07-01	0.890374473323446
1970-10-01	0.952764459745469
1971-01-01	0.901456921672009
1971-04-01	0.864375412638801
1971-07-01	0.891206162200802
1971-10-01	1.036391723909630
1972-01-01	1.087613865398520
1972-04-01	1.020666882159100
1972-07-01	1.039919961514300
1972-10-01	0.998463917422055
1973-01-01	0.917480876662216
1973-04-01	1.093909168041450
1973-07-01	1.020867563542510
1973-10-01	0.963890035330632
1974-01-01	1.051719759166420
1974-04-01	0.963914632174506
1974-07-01	1.174326801074640
1974-10-01	1.324049610964700
1975-01-01	1.503264349680990
1975-04-01	1.499009244522430
1975-07-01	1.593604661518920
1975-10-01	1.704023550554620
1976-01-01	1.728544968365050
1976-04-01	1.711952748526280
1976-07-01	1.591935746908510
1976-10-01	1.594380936926290
1977-01-01	1.592114300540920
1977-04-01	1.690549926028310
1977-07-01	1.650145624549000
1977-10-01	1.676327815883970
1978-01-01	1.825031290698480
1978-04-01	1.854231437894050
1978-07-01	1.926759495623980
1978-10-01	1.850619650374810
1979-01-01	1.736089246566210
1979-04-01	1.708343822396490
1979-07-01	1.717507173741660
1979-10-01	1.671742351524390
1980-01-01	1.572980014727130
1980-04-01	1.586900129481780
1980-07-01	1.704852713919360
1980-10-01	1.793477249356710
1981-01-01	1.735069855851970
1981-04-01	1.888337398184690
1981-07-01	1.738963089136680
1981-10-01	1.804606942851080
1982-01-01	1.838931924926540
1982-04-01	1.863919079912860
1982-07-01	1.924825859683100
1982-10-01	1.993553862011390
1983-01-01	2.239438652679280
1983-04-01	2.169352689424370
1983-07-01	2.241152744906890
1983-10-01	2.159732937727950
1984-01-01	2.155117231358280
1984-04-01	2.187672535809510
1984-07-01	2.205867030667150
1984-10-01	2.160117854369300
1985-01-01	2.094886248767120
1985-04-01	2.054245914207770
1985-07-01	2.085919616147240
1985-10-01	2.189085558777980
1986-01-01	2.153051915207790
1986-04-01	2.188986472641560
1986-07-01	2.239803270333660
1986-10-01	2.204994440822060
1987-01-01	2.274735104134110
1987-04-01	2.461433347581940
1987-07-01	2.132277476159490
1987-10-01	2.168730384872320
1988-01-01	2.152080004929710
1988-04-01	1.869085190160510
1988-07-01	1.985753903713270
1988-10-01	1.850350009547850
1989-01-01	1.791628459370840
1989-04-01	1.766781324548010
1989-07-01	1.724556134377220
1989-10-01	1.716411813749240
1990-01-01	1.659971257539000
1990-04-01	1.677641412195900
1990-07-01	1.659442724458200
1990-10-01	1.588406958567870
1991-01-01	1.590481336796270
1991-04-01	1.681652732685470
1991-07-01	1.648552611496020
1991-10-01	1.598603683870920
1992-01-01	1.667090872625270
1992-04-01	1.638837036085100
1992-07-01	1.714869284748730
1992-10-01	1.844940686965750
1993-01-01	1.888063072504220
1993-04-01	1.906487738492870
1993-07-01	2.020188363572180
1993-10-01	2.188034627959850
1994-01-01	2.330996359685900
1994-04-01	2.269425745775270
1994-07-01	2.406758563909940
1994-10-01	2.345154285188000
1995-01-01	2.473122684945050
1995-04-01	2.522985337278330
1995-07-01	2.594060735474920
1995-10-01	2.728872928195020
1996-01-01	2.646036977128740
1996-04-01	2.756031206978920
1996-07-01	2.679702760167760
1996-10-01	2.758643005062130
1997-01-01	2.745406249073340
1997-04-01	2.772032431249080
1997-07-01	2.857789334610340
1997-10-01	2.901878815275700
1998-01-01	2.964374578111320
1998-04-01	3.384613756389120
1998-07-01	3.617102905594710
1998-10-01	3.774532082535740
1999-01-01	3.939995751943050
1999-04-01	4.069673594380200
1999-07-01	3.961399908524650
1999-10-01	3.906446361319760
2000-01-01	4.189706805869230
2000-04-01	4.010262137497130
2000-07-01	4.011162685205910
2000-10-01	4.019744954401840
2001-01-01	4.104524456507970
2001-04-01	4.276111990347870
2001-07-01	4.429063228675590
2001-10-01	4.780905301391400
2002-01-01	4.784397210369630
2002-04-01	4.828574993201540
2002-07-01	5.003419434999540
2002-10-01	4.888980390669180
2003-01-01	4.764914960107520
2003-04-01	4.864524203430460
2003-07-01	4.683308935896950
2003-10-01	4.540872997401740
2004-01-01	4.477231332062030
2004-04-01	4.438096803914290
2004-07-01	4.364896561821500
2004-10-01	4.192233241955020
2005-01-01	4.302140056618690
2005-04-01	4.176373842912670
2005-07-01	4.096732004739800
2005-10-01	4.169934746500580
2006-01-01	3.943107024377520
2006-04-01	3.798865855766010
2006-07-01	3.887116579259050
2006-10-01	3.940427424962400
2007-01-01	3.778955567629310
2007-04-01	3.581726525407680
2007-07-01	3.608467057156900
2007-10-01	3.693471047369900
2008-01-01	3.828564130513120
2008-04-01	3.849799355268290
2008-07-01	3.798099794615370
2008-10-01	3.996681672685870
2009-01-01	4.515871611733100
2009-04-01	5.015923993352460
2009-07-01	5.241615266592150
2009-10-01	5.056074140374000
2010-01-01	4.918533520991780
2010-04-01	4.842504605452490
2010-07-01	4.864508531152940
2010-10-01	4.815459709382630
2011-01-01	4.592822418920330
2011-04-01	4.532261786085840
2011-07-01	4.341644362479100
2011-10-01	4.345771835486690
2012-01-01	4.287432169721440
2012-04-01	4.315708261801920
2012-07-01	4.249711863618540
2012-10-01	4.101486737792460
2013-01-01	4.269054416058570
2013-04-01	4.091233167621070
2013-07-01	3.962490784888760
2013-10-01	3.904752136086940
2014-01-01	3.686932811868780
2014-04-01	3.612277473454520
2014-07-01	3.600380564919220
2014-10-01	3.478256042163740
2015-01-01	3.490005247960050
2015-04-01	3.377889445956540
2015-07-01	3.429334090097600
2015-10-01	3.354707968431050
2016-01-01	3.204093703624150
2016-04-01	3.228350312360700
2016-07-01	3.036484944878000
2016-10-01	3.089088937655310
2017-01-01	2.963412903225850
2017-04-01	2.872105724751860
2017-07-01	2.800748901525220
2017-10-01	2.702261832808310
2018-01-01	2.580622971305950
2018-04-01	2.436441192534040
2018-07-01	2.430500609129500