Quarter	Percent, Seasonally Adjusted
1978-04-01	3.49557667128636
1978-07-01	3.67681071966127
1978-10-01	3.80335668236336
1979-01-01	3.86268881177414
1979-04-01	3.60277471879571
1979-07-01	3.22642718538902
1979-10-01	3.02472739764723
1980-01-01	2.77251913254040
1980-04-01	2.88559956230495
1980-07-01	3.00965710463685
1980-10-01	3.08979495278085
1981-01-01	3.16711031550027
1981-04-01	3.46633568382723
1981-07-01	3.79902584511547
1981-10-01	3.48846800415215
1982-01-01	3.16333936763734
1982-04-01	3.15103122951047
1982-07-01	3.48419299934831
1982-10-01	5.32837735222911
1983-01-01	6.08524953766065
1983-04-01	7.34907209994406
1983-07-01	6.94622995683813
1983-10-01	6.88479040535194
1984-01-01	6.87378418641718
1984-04-01	6.23266568484527
1984-07-01	6.11905312597400
1984-10-01	6.22166056911534
1985-01-01	6.64204953400116
1985-04-01	7.46605121944398
1985-07-01	7.41947121427902
1985-10-01	6.68281442677166
1986-01-01	5.68559540950676
1986-04-01	5.51062422586925
1986-07-01	6.05184511976258
1986-10-01	7.18323964151612
1987-01-01	6.85575659996672
1987-04-01	6.82560197962362
1987-07-01	6.31707202058431
1987-10-01	7.14005681728765
1988-01-01	7.00369207788367
1988-04-01	7.30756042805848
1988-07-01	7.00799596977797
1988-10-01	6.03086307826125
1989-01-01	6.70088427367285
1989-04-01	6.06480904441188
1989-07-01	5.93828611470480
1989-10-01	5.69337742853255
1990-01-01	6.00733228150392
1990-04-01	6.63965306592819
1990-07-01	6.50910859590020
1990-10-01	6.71125514377936
1991-01-01	7.98222618546178
1991-04-01	9.27781904770685
1991-07-01	10.33737172932060
1991-10-01	10.92046384909420
1992-01-01	10.98328542171580
1992-04-01	11.13362317525820
1992-07-01	11.95170174025560
1992-10-01	13.17074257949290
1993-01-01	13.27772361453610
1993-04-01	13.62299114134130
1993-07-01	13.55414955598080
1993-10-01	14.32528533769610
1994-01-01	13.24808984381830
1994-04-01	11.37584229536580
1994-07-01	10.84463672079380
1994-10-01	10.55166565221190
1995-01-01	9.50131688787682
1995-04-01	9.27098552143114
1995-07-01	8.91174747987356
1995-10-01	9.31602959160353
1996-01-01	9.16988283990812
1996-04-01	8.65668800672934
1996-07-01	9.32423968070836
1996-10-01	8.96058226175514
1997-01-01	8.28526828398509
1997-04-01	7.90283478181210
1997-07-01	8.17781420053319
1997-10-01	7.52379617580981
1998-01-01	7.45819455769341
1998-04-01	7.25971751420867
1998-07-01	7.12153149854674
1998-10-01	7.17050477240646
1999-01-01	7.18863167728018
1999-04-01	6.54687543605383
1999-07-01	6.17944930830244
1999-10-01	6.24556841965382
2000-01-01	5.97216327443660
2000-04-01	5.38874279773621
2000-07-01	5.10659532631524
2000-10-01	4.83703190261635
2001-01-01	4.93181473412248
2001-04-01	5.77742594969462
2001-07-01	5.74146916688096
2001-10-01	5.70308229725026
2002-01-01	5.52506812710523
2002-04-01	5.16299374461378
2002-07-01	4.89452082523802
2002-10-01	4.94011151387351
2003-01-01	4.50998996515615
2003-04-01	4.23315387995961
2003-07-01	4.13346266655724
2003-10-01	4.13483799417071
2004-01-01	3.78846201100640
2004-04-01	3.99530320733852
2004-07-01	4.01188202706977
2004-10-01	3.74763460892830
2005-01-01	3.75260822148366
2005-04-01	3.68143797273492
2005-07-01	3.57275325879571
2005-10-01	3.78983551452438
2006-01-01	3.50102479495774
2006-04-01	3.80307968291812
2006-07-01	3.63638538145752
2006-10-01	3.25157945890314
2007-01-01	3.19556966976355
2007-04-01	2.87568075426358
2007-07-01	2.40231396175484
2007-10-01	2.79153656678956
2008-01-01	3.02721303181124
2008-04-01	3.19306909422063
2008-07-01	2.82633843043337
2008-10-01	3.16929051164701
2009-01-01	3.46675587697784
2009-04-01	3.63791434840948
2009-07-01	3.80094042663847
2009-10-01	3.90209773251654
2010-01-01	4.35315973483806
2010-04-01	3.92273213177685
2010-07-01	3.60167755049011
2010-10-01	3.05518127455528
2011-01-01	3.36002688083310
2011-04-01	3.65083907013494
2011-07-01	3.87502330852113
2011-10-01	3.79688896971178
2012-01-01	3.64633494996864
2012-04-01	3.34194442164018
2012-07-01	4.01292073221573
2012-10-01	3.89060846325660
2013-01-01	4.32806049600708
2013-04-01	4.07718936258687
2013-07-01	4.53858890630656
2013-10-01	4.42127571018123
2014-01-01	4.38595335549485
2014-04-01	4.18416878948368
2014-07-01	3.96915268025443
2014-10-01	4.72934253531702
2015-01-01	4.77774577854406
2015-04-01	4.70255545281782
2015-07-01	4.99485760991035
2015-10-01	4.84065695196776
2016-01-01	4.91141292132399
2016-04-01	4.83707759920755
2016-07-01	4.90746083979011
2016-10-01	4.59135352605971
2017-01-01	4.22693750758325
2017-04-01	4.47598527344424
2017-07-01	4.37112938653823
2017-10-01	4.41196224638568
2018-01-01	4.68082850331897
2018-04-01	4.93710629810293
2018-07-01	4.57572172072758