Quarter	Percent, Seasonally Adjusted
1999-04-01	6.19335139908514
1999-07-01	6.03352376831377
1999-10-01	5.88739864692843
2000-01-01	5.84527817559792
2000-04-01	5.70187265804746
2000-07-01	5.39291651356154
2000-10-01	5.36000297455625
2001-01-01	5.14004858846009
2001-04-01	4.81792313706437
2001-07-01	5.02812731516703
2001-10-01	5.06922277118264
2002-01-01	5.06743511886513
2002-04-01	5.15928107630109
2002-07-01	5.15508073738531
2002-10-01	5.14889575258228
2003-01-01	5.03583136344262
2003-04-01	4.91338477093874
2003-07-01	5.01075503114469
2003-10-01	4.90888158418749
2004-01-01	4.69468903762570
2004-04-01	4.68446047128408
2004-07-01	4.66807102604712
2004-10-01	4.71743475182688
2005-01-01	4.64891463822724
2005-04-01	4.61807364732900
2005-07-01	4.61986911952520
2005-10-01	5.11191638410358
2006-01-01	5.17843264635568
2006-04-01	5.39336347565130
2006-07-01	5.44972069068814
2006-10-01	5.37611068792450
2007-01-01	5.48216001272307
2007-04-01	5.27936324505386
2007-07-01	5.25807606023947
2007-10-01	5.03061107572439
2008-01-01	5.11369664928805
2008-04-01	5.26218444191861
2008-07-01	5.81345903701536
2008-10-01	6.26532490452951
2009-01-01	7.00042976449657
2009-04-01	7.70992193231853
2009-07-01	7.73762030354964
2009-10-01	7.70163590594064
2010-01-01	7.93711195886209
2010-04-01	7.78366714666058
2010-07-01	7.62807583724772
2010-10-01	7.79935200984781
2011-01-01	7.71180946275196
2011-04-01	7.91282174322135
2011-07-01	8.19299988836043
2011-10-01	8.33086695572354
2012-01-01	8.14479147664167
2012-04-01	7.92504886141263
2012-07-01	7.73770619705334
2012-10-01	7.73656286901719
2013-01-01	7.76161332299805
2013-04-01	7.70537089187504
2013-07-01	7.50667316573340
2013-10-01	7.13012596931830
2014-01-01	6.66213187278898
2014-04-01	6.22159456151332
2014-07-01	5.92513487157551
2014-10-01	5.63502224572776
2015-01-01	5.42641276524140
2015-04-01	5.51062450704267
2015-07-01	5.29050824730753
2015-10-01	4.97990714706552
2016-01-01	4.97700379689339
2016-04-01	4.84529213481607
2016-07-01	4.78336589889438
2016-10-01	4.64822767076055
2017-01-01	4.51269859434216
2017-04-01	4.35289911121846
2017-07-01	4.24372136094933
2017-10-01	4.23071952084688
2018-01-01	4.13307911856007
2018-04-01	3.95010340544087