Quarter	Percent, Seasonally Adjusted
2005-01-01	53.0599185905669
2005-04-01	53.0268191385045
2005-07-01	53.6827995836655
2005-10-01	54.4562700659557
2006-01-01	54.7621980597067
2006-04-01	55.7987948446536
2006-07-01	56.4477729068932
2006-10-01	57.3815159958180
2007-01-01	58.3339342765924
2007-04-01	59.2402358431228
2007-07-01	59.6923413523630
2007-10-01	60.4264039144824
2008-01-01	60.7789040113678
2008-04-01	61.5047057478068
2008-07-01	62.1949238470619
2008-10-01	62.4246325118608
2009-01-01	62.7616835952866
2009-04-01	63.8405022596303
2009-07-01	63.7690143020818
2009-10-01	64.6970698990404
2010-01-01	65.1037343986368
2010-04-01	64.8684846827809
2010-07-01	65.2619517252363
2010-10-01	65.5945991016066
2011-01-01	66.1480172129877
2011-04-01	67.2161406158199
2011-07-01	67.2891519941024
2011-10-01	67.8550288264222
2012-01-01	68.1115397517912
2012-04-01	68.2170816986234
2012-07-01	68.9222942137312
2012-10-01	69.1461844381324
2013-01-01	69.0064107218458
2013-04-01	69.6532305565606
2013-07-01	70.2561673736876
2013-10-01	70.7730054887990
2014-01-01	71.3870229686676
2014-04-01	71.1678529904628
2014-07-01	71.5424757533947
2014-10-01	71.3323510244422
2015-01-01	70.8700749642613
2015-04-01	70.8730349283156
2015-07-01	71.6858765008199
2015-10-01	71.9276156455067
2016-01-01	73.4158502729868
2016-04-01	73.6195807502184
2016-07-01	73.6854548426112
2016-10-01	74.1464078976540
2017-01-01	74.0726329718298
2017-04-01	75.0958844098654
2017-07-01	75.4193751429256
2017-10-01	75.5066556943920
2018-01-01	75.7989783581630
2018-04-01	75.7874680216472