Quarter	Percent, Seasonally Adjusted
1999-01-01	7.70126997777889
1999-04-01	8.97408515703051
1999-07-01	9.75538727084121
1999-10-01	9.43754944615510
2000-01-01	8.33772026742046
2000-04-01	6.45223882160458
2000-07-01	6.46937729213419
2000-10-01	5.97249542532649
2001-01-01	6.66960079937710
2001-04-01	7.27502224424234
2001-07-01	8.93480345107167
2001-10-01	9.89134233031131
2002-01-01	7.08597166762556
2002-04-01	8.73520670540134
2002-07-01	5.78997229641766
2002-10-01	7.73980328888218
2003-01-01	8.42638184143402
2003-04-01	10.54480665704420
2003-07-01	11.08439442299130
2003-10-01	6.61981492459681
2004-01-01	9.76420504529093
2004-04-01	8.43664098612248
2004-07-01	10.72631792328630
2004-10-01	6.74984246326787
2005-01-01	9.37127330899770
2005-04-01	6.14088914861715
2005-07-01	9.09011549884090
2005-10-01	9.97341274050893
2006-01-01	8.90859067072282
2006-04-01	7.66616014963674
2006-07-01	6.35963210981554
2006-10-01	8.66020721935590
2007-01-01	7.22765953362034
2007-04-01	7.27871774234321
2007-07-01	8.89808270899514
2007-10-01	7.13135649226123
2008-01-01	6.21811126185114
2008-04-01	6.14560603921491
2008-07-01	8.26573400225494
2008-10-01	8.85795162018835
2009-01-01	12.11121820548360
2009-04-01	13.71587424363470
2009-07-01	12.75671591678050
2009-10-01	14.56813763018050
2010-01-01	17.07754685827410
2010-04-01	15.45841883852940
2010-07-01	16.03203288631620
2010-10-01	15.82030682679290
2011-01-01	16.17195575609370
2011-04-01	16.34097467863090
2011-07-01	16.39880366381320
2011-10-01	13.83487871979950
2012-01-01	16.55138281085000
2012-04-01	14.86490564064140
2012-07-01	15.27009655106140
2012-10-01	12.24741072664300
2013-01-01	14.68444139454140
2013-04-01	13.21071076190680
2013-07-01	16.63464147391460
2013-10-01	12.51461753183600
2014-01-01	15.40508279508010
2014-04-01	13.16032912967220
2014-07-01	14.48504181622250
2014-10-01	11.95027839995250
2015-01-01	11.23421794134940
2015-04-01	10.34790162490630
2015-07-01	13.77625008128410
2015-10-01	11.01560739010480
2016-01-01	13.11353051490230
2016-04-01	12.07344989567280
2016-07-01	13.64430298642150
2016-10-01	13.45654130655000
2017-01-01	11.92173092531570
2017-04-01	10.22472242148280
2017-07-01	14.03385402906120
2017-10-01	9.31677315865629
2018-01-01	10.25609735585550
2018-04-01	10.63002929312400