Quarter	Percent, Seasonally Adjusted
1978-01-01	2.45101239931062
1978-04-01	2.36813356805760
1978-07-01	2.34677259519423
1978-10-01	2.35258814235005
1979-01-01	2.25355928738825
1979-04-01	2.11394979637638
1979-07-01	2.17118239059783
1979-10-01	2.09300392690313
1980-01-01	2.00092576310631
1980-04-01	1.90823963340983
1980-07-01	2.04473917848402
1980-10-01	2.21011272499493
1981-01-01	2.26724363886968
1981-04-01	2.34332746197862
1981-07-01	2.20939679088331
1981-10-01	2.25778330366899
1982-01-01	2.34636938333815
1982-04-01	2.40803907322777
1982-07-01	2.37965681190074
1982-10-01	2.48122594713987
1983-01-01	2.72367017797572
1983-04-01	2.70438597027724
1983-07-01	2.65881097029111
1983-10-01	2.62956557379500
1984-01-01	2.69342426555200
1984-04-01	2.71123835318281
1984-07-01	2.73686188393867
1984-10-01	2.62543533208355
1985-01-01	2.60554768757030
1985-04-01	2.52971710997816
1985-07-01	2.53234421038660
1985-10-01	2.76517604558033
1986-01-01	2.67078250321316
1986-04-01	2.72853253119305
1986-07-01	2.81887830119372
1986-10-01	2.80705742574599
1987-01-01	2.91021096050090
1987-04-01	3.04360803767707
1987-07-01	2.83644547386347
1987-10-01	2.72727116527300
1988-01-01	2.70003080334456
1988-04-01	2.45393951183802
1988-07-01	2.46770815473484
1988-10-01	2.29836534509818
1989-01-01	2.24469400725617
1989-04-01	2.33971975032037
1989-07-01	2.21284597619715
1989-10-01	2.12890580290886
1990-01-01	2.10854537863464
1990-04-01	2.00057354388768
1990-07-01	2.02389053194755
1990-10-01	2.05689320481278
1991-01-01	2.11071426813486
1991-04-01	1.98092094018022
1991-07-01	2.05784772914573
1991-10-01	1.95878034076350
1992-01-01	2.02086280406693
1992-04-01	2.07887366314112
1992-07-01	2.14878577412680
1992-10-01	2.21645431637641
1993-01-01	2.21466294816522
1993-04-01	2.34497713537139
1993-07-01	2.47465694392690
1993-10-01	2.69689193646718
1994-01-01	2.74083090841242
1994-04-01	2.79707444419432
1994-07-01	2.99673977772783
1994-10-01	2.92186056619991
1995-01-01	2.97607793601114
1995-04-01	3.01937326489275
1995-07-01	3.17558562689980
1995-10-01	3.38438095526714
1996-01-01	3.33335751831926
1996-04-01	3.47106776861216
1996-07-01	3.38219493849082
1996-10-01	3.35029170852349
1997-01-01	3.29569163578008
1997-04-01	3.30038766687078
1997-07-01	3.47996232165988
1997-10-01	3.52519711551653
1998-01-01	3.78939984825929
1998-04-01	4.25158193794042
1998-07-01	4.36557181848462
1998-10-01	4.47894208058052
1999-01-01	4.72238184823378
1999-04-01	5.08783172515554
1999-07-01	4.87993637117975
1999-10-01	4.79618830072822
2000-01-01	5.02338793438881
2000-04-01	4.91812308785607
2000-07-01	4.88636638461358
2000-10-01	4.96399600131296
2001-01-01	4.91258738674355
2001-04-01	5.25171680685639
2001-07-01	5.30402498713130
2001-10-01	5.70692877295058
2002-01-01	5.44243566762308
2002-04-01	5.64555705695296
2002-07-01	5.70096117367362
2002-10-01	5.68097195490174
2003-01-01	5.62199112713811
2003-04-01	5.79019029411983
2003-07-01	5.43669339795424
2003-10-01	5.33577471725239
2004-01-01	5.16084334092862
2004-04-01	4.97253985841935
2004-07-01	5.05887048017948
2004-10-01	4.81154089494800
2005-01-01	4.81445548461254
2005-04-01	4.62535285754369
2005-07-01	4.48284440109285
2005-10-01	4.60176336627300
2006-01-01	4.57766097678380
2006-04-01	4.27790674501644
2006-07-01	4.32960140657484
2006-10-01	4.30910789452753
2007-01-01	4.17618752409356
2007-04-01	3.92475071891160
2007-07-01	3.87889318063552
2007-10-01	3.99578296411154
2008-01-01	4.05139323270513
2008-04-01	4.11569857571535
2008-07-01	4.16915257575457
2008-10-01	4.28423836132181
2009-01-01	4.65889418931235
2009-04-01	5.45569890195486
2009-07-01	5.82560782391355
2009-10-01	5.47091862787486
2010-01-01	5.46465374603950
2010-04-01	5.59267709443484
2010-07-01	5.55273053838185
2010-10-01	5.40759741570908
2011-01-01	5.10813990497644
2011-04-01	4.96249702829971
2011-07-01	4.79120703925477
2011-10-01	4.84157564416891
2012-01-01	4.80826286621569
2012-04-01	4.77349390770155
2012-07-01	4.56313512724870
2012-10-01	4.43447094920235
2013-01-01	4.63632154541062
2013-04-01	4.40236857263721
2013-07-01	4.35749567709289
2013-10-01	4.08750907982705
2014-01-01	3.87162352229429
2014-04-01	3.84020561473698
2014-07-01	3.78054953711965
2014-10-01	3.72816500239382
2015-01-01	3.74249622064081
2015-04-01	3.58092016588033
2015-07-01	3.59275203387099
2015-10-01	3.54476185400952
2016-01-01	3.54495797491630
2016-04-01	3.37203504268024
2016-07-01	3.37764488034226
2016-10-01	3.30731983629675
2017-01-01	3.10635824434564
2017-04-01	3.04406408782933
2017-07-01	3.04220226369598
2017-10-01	2.89087448529667
2018-01-01	2.64990482529960
2018-04-01	2.63964248056751
2018-07-01	2.62698876600933