Quarter	Percent, Seasonally Adjusted
1998-01-01	6.47800464778543
1998-04-01	5.65300377415484
1998-07-01	5.62055016260545
1998-10-01	5.19944098561296
1999-01-01	5.19555594117098
1999-04-01	4.86202123835489
1999-07-01	4.76167408131974
1999-10-01	4.57036107257470
2000-01-01	4.64128290141812
2000-04-01	4.27106143810556
2000-07-01	4.75297338436917
2000-10-01	4.29061321915387
2001-01-01	4.65977665980665
2001-04-01	4.41994133549781
2001-07-01	4.41968123418298
2001-10-01	4.39335913542130
2002-01-01	4.74950860219082
2002-04-01	5.10307624953409
2002-07-01	5.75677176342570
2002-10-01	6.59467887885706
2003-01-01	6.54567343486897
2003-04-01	7.03263962528482
2003-07-01	6.57990537768918
2003-10-01	6.89968234942959
2004-01-01	6.75623926230262
2004-04-01	6.93645908076719
2004-07-01	7.26771837567603
2004-10-01	7.31629013195043
2005-01-01	8.12390539128565
2005-04-01	8.12860199442509
2005-07-01	8.67011762075829
2005-10-01	8.83796358973842
2006-01-01	8.87273755513838
2006-04-01	8.72120911522024
2006-07-01	9.06694330295862
2006-10-01	9.16399572118951
2007-01-01	9.72372953824647
2007-04-01	9.70115132227895
2007-07-01	9.44771335042207
2007-10-01	9.26741074801705
2008-01-01	8.60716013126469
2008-04-01	8.40518675322076
2008-07-01	8.66066623655228
2008-10-01	8.56062508217049
2009-01-01	9.37208932733786
2009-04-01	9.60300898266089
2009-07-01	10.44155844664830
2009-10-01	10.80159030647700
2010-01-01	11.63033544097970
2010-04-01	12.13144220167190
2010-07-01	12.50742110132560
2010-10-01	12.30446587704190
2011-01-01	12.15648603391760
2011-04-01	11.97458608551960
2011-07-01	12.28200761417660
2011-10-01	12.83481054537790
2012-01-01	13.77645811208840
2012-04-01	14.27844051366450
2012-07-01	14.82812806867550
2012-10-01	15.98989722511290
2013-01-01	15.93718438186700
2013-04-01	15.99434394648710
2013-07-01	15.40762919126710
2013-10-01	15.02779594634060
2014-01-01	14.15013910777280
2014-04-01	13.77921240854370
2014-07-01	13.30827776316580
2014-10-01	12.33837710408420
2015-01-01	12.48387170970290
2015-04-01	11.13391848032550
2015-07-01	11.53014698363710
2015-10-01	11.07862920260040
2016-01-01	11.24287246932650
2016-04-01	10.32175990469450
2016-07-01	10.44991248088460
2016-10-01	9.59330446945092
2017-01-01	9.47884477081544
2017-04-01	8.76313325740221
2017-07-01	8.27150582125973
2017-10-01	7.32789979276437
2018-01-01	7.25227619882017
2018-04-01	6.32657371039197