Quarter	Percent, Seasonally Adjusted
2005-01-01	52.3964855392767
2005-04-01	52.3681754007834
2005-07-01	52.4723847282190
2005-10-01	52.5075544156459
2006-01-01	52.4592452522605
2006-04-01	52.3736338188726
2006-07-01	52.6018394428330
2006-10-01	52.4292292460895
2007-01-01	52.3105519898118
2007-04-01	52.4155430810540
2007-07-01	51.7343635527678
2007-10-01	52.1966598138592
2008-01-01	51.9791649394841
2008-04-01	52.0146013780423
2008-07-01	52.1047093677397
2008-10-01	52.5316098244572
2009-01-01	52.8483060868651
2009-04-01	53.2086090264532
2009-07-01	53.4870995912623
2009-10-01	53.9791740192658
2010-01-01	54.2414529662564
2010-04-01	54.5398084683800
2010-07-01	55.2645447741681
2010-10-01	55.0568106844216
2011-01-01	55.1369751126449
2011-04-01	55.4277634023115
2011-07-01	55.6790971755064
2011-10-01	55.3868537574034
2012-01-01	55.8266208701351
2012-04-01	55.7536357508046
2012-07-01	55.8160556621571
2012-10-01	56.0073479165481
2013-01-01	56.1343239491265
2013-04-01	56.1375370363819
2013-07-01	56.5587843407233
2013-10-01	57.1212414169372
2014-01-01	57.1025814305591
2014-04-01	57.4700980344235
2014-07-01	57.2616310791574
2014-10-01	57.5940736873677
2015-01-01	57.4651316698941
2015-04-01	58.0566696300968
2015-07-01	58.1665828110344
2015-10-01	57.8444244623845
2016-01-01	58.1225086474669
2016-04-01	57.9593101290960
2016-07-01	58.3615630528363
2016-10-01	57.7873929221704
2017-01-01	58.2636902251535
2017-04-01	58.0714146397397
2017-07-01	57.5534610483129
2017-10-01	57.8113939263956
2018-01-01	57.6640714902157
2018-04-01	57.2500507207341