Quarter	Percent, Seasonally Adjusted
2005-01-01	51.3633708473793
2005-04-01	51.3618659810963
2005-07-01	51.6074544590720
2005-10-01	52.0058731109205
2006-01-01	52.1868266890026
2006-04-01	52.5058109883267
2006-07-01	52.8441840359581
2006-10-01	52.8324529115606
2007-01-01	53.2691278645474
2007-04-01	53.6059672646232
2007-07-01	53.8452559025420
2007-10-01	54.0653598029416
2008-01-01	54.3567197899175
2008-04-01	54.7482858958720
2008-07-01	54.9670655520716
2008-10-01	55.0815363576208
2009-01-01	54.7094866200581
2009-04-01	54.7265827079285
2009-07-01	54.5166784914542
2009-10-01	54.5468326402579
2010-01-01	54.5316739303161
2010-04-01	54.3627644025176
2010-07-01	54.4205376310816
2010-10-01	54.5729786285764
2011-01-01	54.7734694429700
2011-04-01	54.8717042801698
2011-07-01	54.8264200180960
2011-10-01	55.2470013990319
2012-01-01	55.4471085920609
2012-04-01	56.0761480383667
2012-07-01	56.4838529055212
2012-10-01	56.8049111550201
2013-01-01	56.7308048716041
2013-04-01	57.0746603181960
2013-07-01	57.6966313927235
2013-10-01	57.9840591469562
2014-01-01	58.3364383009626
2014-04-01	58.5720998776386
2014-07-01	58.9755041072068
2014-10-01	59.2660868267181
2015-01-01	59.5562926581678
2015-04-01	59.8441008903444
2015-07-01	60.3430954476822
2015-10-01	60.7070834761001
2016-01-01	61.5244947526278
2016-04-01	61.7515996426874
2016-07-01	62.1486668210919
2016-10-01	62.4427612842447
2017-01-01	62.8623305082989
2017-04-01	63.5478712454421
2017-07-01	63.8270628674878
2017-10-01	64.3936087188368
2018-01-01	64.7402978667446
2018-04-01	65.0637177816383