Quarter	Percent, Seasonally Adjusted
2007-01-01	52.9332092263172
2007-04-01	50.9782160486873
2007-07-01	54.1197311842942
2007-10-01	55.0674266553978
2008-01-01	51.1787881140117
2008-04-01	53.1665753091004
2008-07-01	51.5908952523637
2008-10-01	51.3039513531154
2009-01-01	53.8998058888331
2009-04-01	53.3313284556639
2009-07-01	53.0663590805854
2009-10-01	52.9933178945082
2010-01-01	52.7821137266421
2010-04-01	52.5514204662103
2010-07-01	53.7620441313360
2010-10-01	53.9030494764854
2011-01-01	54.3447005471342
2011-04-01	52.6991236979117
2011-07-01	53.3163191983759
2011-10-01	53.1156398163564
2012-01-01	54.2108746360713
2012-04-01	54.4129819999607
2012-07-01	57.1166031286801
2012-10-01	55.7274683005995
2013-01-01	55.5685978025303
2013-04-01	56.2218362469797
2013-07-01	55.4646281676050
2013-10-01	56.0892975791820
2014-01-01	56.2327549129601
2014-04-01	56.6205038542844
2014-07-01	57.0071166990169
2014-10-01	58.1562452671860
2015-01-01	60.3286964108682
2015-04-01	60.2604102813069
2015-07-01	59.4105875157472
2015-10-01	59.0520140376144
2016-01-01	57.9086744865790
2016-04-01	58.1330111136790
2016-07-01	59.3494826383952
2016-10-01	59.6385303035697
2017-01-01	58.2637358935645
2017-04-01	58.7649313185392
2017-07-01	61.8014133484901
2017-10-01	59.8658149346341
2018-01-01	61.0675762969717
2018-04-01	60.1769774218458