Quarter	Percent, Seasonally Adjusted
1999-01-01	8.89253543730076
1999-04-01	9.82659113143271
1999-07-01	9.58639803946128
1999-10-01	9.64777589701126
2000-01-01	7.52370274686083
2000-04-01	6.79278619507897
2000-07-01	6.74704130648838
2000-10-01	5.83436374498434
2001-01-01	7.17962209187623
2001-04-01	8.34099898044109
2001-07-01	8.97167684536909
2001-10-01	9.33255403606127
2002-01-01	7.27591385192842
2002-04-01	7.19699641272039
2002-07-01	6.95033366961436
2002-10-01	8.09454091692035
2003-01-01	9.75099009280552
2003-04-01	9.96874522157745
2003-07-01	9.87955766552663
2003-10-01	7.24392111122338
2004-01-01	9.07868028269327
2004-04-01	7.92056091798053
2004-07-01	8.62932307828393
2004-10-01	7.16656986227646
2005-01-01	8.45808156136199
2005-04-01	8.00132442681286
2005-07-01	8.93488815629778
2005-10-01	9.02794383666768
2006-01-01	9.02844292228755
2006-04-01	7.82160377965341
2006-07-01	6.45995306600385
2006-10-01	7.48677028363145
2007-01-01	7.34999505843457
2007-04-01	7.07406750587654
2007-07-01	8.64643831484622
2007-10-01	7.03721812424072
2008-01-01	7.37804015114942
2008-04-01	7.47371063183977
2008-07-01	8.64057251196015
2008-10-01	8.56173998675983
2009-01-01	10.42077586033900
2009-04-01	12.24618031818460
2009-07-01	11.56642983699310
2009-10-01	13.14386987868380
2010-01-01	14.21819220192790
2010-04-01	13.23187182409250
2010-07-01	14.34393343203670
2010-10-01	14.11213316012550
2011-01-01	13.92597531467930
2011-04-01	14.20072382054190
2011-07-01	14.91849390954670
2011-10-01	13.90920010531650
2012-01-01	15.24499939648870
2012-04-01	14.72603843321700
2012-07-01	13.47534984569870
2012-10-01	13.03985660017290
2013-01-01	13.31575809141150
2013-04-01	12.32033855267890
2013-07-01	14.07920988231580
2013-10-01	12.46629337093090
2014-01-01	13.80049772175300
2014-04-01	12.76200548398370
2014-07-01	12.68755541459880
2014-10-01	11.30017594719460
2015-01-01	10.47767903153790
2015-04-01	10.13603741446690
2015-07-01	12.35037549201940
2015-10-01	10.40965404762800
2016-01-01	11.24228473561690
2016-04-01	10.99942958061790
2016-07-01	12.89675627058910
2016-10-01	12.83147059487960
2017-01-01	11.86989702099980
2017-04-01	10.57820558851260
2017-07-01	12.39408267459800
2017-10-01	9.28014917133300
2018-01-01	9.77136076457619
2018-04-01	8.75940767145014