Quarter	Percent, Seasonally Adjusted
2005-01-01	59.2860829527854
2005-04-01	59.2799164398776
2005-07-01	59.6538857336625
2005-10-01	60.0907148023335
2006-01-01	60.6759034738557
2006-04-01	61.3242885970666
2006-07-01	61.7845545372176
2006-10-01	62.0686187890767
2007-01-01	62.7579751104616
2007-04-01	62.9748744603129
2007-07-01	63.4103977885348
2007-10-01	63.6272027904604
2008-01-01	63.9942244541560
2008-04-01	63.9467454548995
2008-07-01	64.4357763162241
2008-10-01	64.8883974475466
2009-01-01	64.6580776400246
2009-04-01	65.0793836228795
2009-07-01	64.9673492133395
2009-10-01	65.9948126618080
2010-01-01	65.7173963875249
2010-04-01	66.0190762450229
2010-07-01	66.4301948051907
2010-10-01	66.7349217739013
2011-01-01	67.1790067155953
2011-04-01	67.7502429279436
2011-07-01	68.0602776276272
2011-10-01	68.3463618895138
2012-01-01	67.7464745989274
2012-04-01	67.9968113758934
2012-07-01	68.1613795531722
2012-10-01	68.4788160707448
2013-01-01	68.7183570107106
2013-04-01	68.8439494316662
2013-07-01	69.1431396474818
2013-10-01	69.1903038041235
2014-01-01	69.1853341100634
2014-04-01	69.4969540138740
2014-07-01	69.5952192467587
2014-10-01	69.6183207530880
2015-01-01	69.7651969784054
2015-04-01	69.8947738709828
2015-07-01	69.9937915688424
2015-10-01	70.0206267308661
2016-01-01	70.2448316188799
2016-04-01	70.4331459153004
2016-07-01	71.1432067156498
2016-10-01	71.3881556623649
2017-01-01	71.1001438103716
2017-04-01	71.3089481481644
2017-07-01	71.5629810267292
2017-10-01	72.0373990704707
2018-01-01	71.7545713732663
2018-04-01	71.7552380839940