Quarter	Percent, Seasonally Adjusted
1999-04-01	5.65137206130178
1999-07-01	5.09698697269105
1999-10-01	4.81353473306416
2000-01-01	4.66239839730291
2000-04-01	4.25464125100855
2000-07-01	3.95158758527510
2000-10-01	3.76120353199652
2001-01-01	3.38032518308362
2001-04-01	3.39431605334398
2001-07-01	3.50436921234333
2001-10-01	3.72055429319467
2002-01-01	4.13795509414480
2002-04-01	4.03613163581603
2002-07-01	4.02363715707613
2002-10-01	4.30963149288177
2003-01-01	4.46701078224692
2003-04-01	4.35827181986304
2003-07-01	4.59356766224936
2003-10-01	4.31776649042548
2004-01-01	4.39429412866377
2004-04-01	4.55610112195432
2004-07-01	4.28207658518400
2004-10-01	4.15845887098736
2005-01-01	3.96111165767219
2005-04-01	4.00066190984686
2005-07-01	4.08416648587737
2005-10-01	3.95169588908773
2006-01-01	3.91460437291709
2006-04-01	4.07399121731509
2006-07-01	4.08377735785287
2006-10-01	4.24628870556736
2007-01-01	4.07594194756456
2007-04-01	3.90395620395837
2007-07-01	4.03466816741390
2007-10-01	4.62631157484318
2008-01-01	4.95890096589042
2008-04-01	5.36558932740480
2008-07-01	6.65848858085805
2008-10-01	8.07584808995421
2009-01-01	11.50014698416620
2009-04-01	13.22799341403100
2009-07-01	13.75227776542490
2009-10-01	14.11955648824490
2010-01-01	14.90055941701820
2010-04-01	15.08199172837950
2010-07-01	15.44309528366510
2010-10-01	16.14455467510770
2011-01-01	16.13103809087760
2011-04-01	16.02941567667240
2011-07-01	16.19389937043980
2011-10-01	16.16103429227360
2012-01-01	16.40477850308250
2012-04-01	15.99025047206850
2012-07-01	15.79011739118140
2012-10-01	15.24906419529240
2013-01-01	14.41052753854380
2013-04-01	13.97218567381170
2013-07-01	13.00409473820750
2013-10-01	11.97890342418620
2014-01-01	12.31109134827620
2014-04-01	11.80743115762770
2014-07-01	11.01576016866470
2014-10-01	10.19401591949740
2015-01-01	9.86167985517060
2015-04-01	9.61608209762505
2015-07-01	9.25495173774109
2015-10-01	9.18324743973176
2016-01-01	8.84975125032136
2016-04-01	8.44019297869566
2016-07-01	7.78717852264221
2016-10-01	6.57797850549401
2017-01-01	6.59627876190673
2017-04-01	6.27126499779576
2017-07-01	6.17699358440381
2017-10-01	5.85440405473922
2018-01-01	4.94939889574176
2018-04-01	4.96839094194453