Quarter	Percent, Seasonally Adjusted
2000-01-01	17.3629745225879
2000-04-01	17.9141932731495
2000-07-01	18.2347948979536
2000-10-01	15.8687431511799
2001-01-01	15.7959030008114
2001-04-01	16.0265328584963
2001-07-01	18.0541175425385
2001-10-01	16.4209374003175
2002-01-01	16.8120346967231
2002-04-01	16.4766915919012
2002-07-01	19.0455057426461
2002-10-01	17.9488969061794
2003-01-01	16.8336773053604
2003-04-01	17.1614600204948
2003-07-01	18.3195201203414
2003-10-01	17.7635005507197
2004-01-01	18.1127202910772
2004-04-01	18.9028091355714
2004-07-01	19.7316748130151
2004-10-01	17.7875765921280
2005-01-01	17.5228529996869
2005-04-01	17.3788587812302
2005-07-01	15.8487383742655
2005-10-01	15.2321626678641
2006-01-01	15.7194446596549
2006-04-01	16.1215874034963
2006-07-01	16.7935671516082
2006-10-01	14.3780172903299
2007-01-01	14.7803996294512
2007-04-01	14.1047194996104
2007-07-01	14.7252498110457
2007-10-01	13.9220394787786
2008-01-01	13.9318796239272
2008-04-01	14.5373962742432
2008-07-01	13.8066377126735
2008-10-01	14.1683071518262
2009-01-01	14.6194139303880
2009-04-01	17.2727739741604
2009-07-01	18.1702946426683
2009-10-01	17.0160051693084
2010-01-01	15.9475340996067
2010-04-01	15.4973666201043
2010-07-01	16.9078476758652
2010-10-01	15.2659766651409
2011-01-01	14.6178260190179
2011-04-01	15.7312371166854
2011-07-01	15.6453061639202
2011-10-01	15.2650619671304
2012-01-01	15.0131561632229
2012-04-01	16.1148608624230
2012-07-01	16.4104287416916
2012-10-01	17.3271467238249
2013-01-01	15.1430920225181
2013-04-01	15.2625282837401
2013-07-01	17.4987650989973
2013-10-01	17.3228632752211
2014-01-01	15.8641764121344
2014-04-01	16.3159605415187
2014-07-01	17.6353694916447
2014-10-01	18.7659813083086
2015-01-01	16.8623556735045
2015-04-01	18.1576243237845
2015-07-01	18.1201640521828
2015-10-01	18.0694281958336
2016-01-01	16.8002096800555
2016-04-01	16.9840817167458
2016-07-01	17.8726811066050
2016-10-01	19.2136626874557
2017-01-01	17.4705468019883
2017-04-01	18.1222386564125
2017-07-01	18.4650649648110
2017-10-01	19.4460332409216
2018-01-01	17.9951773579022
2018-04-01	18.6339987387055