Quarter	Percent, Seasonally Adjusted
2005-01-01	52.0415091005734
2005-04-01	51.9956482529324
2005-07-01	51.9662556268498
2005-10-01	51.8045972683223
2006-01-01	51.5580387447349
2006-04-01	51.4839171462663
2006-07-01	51.3512614635816
2006-10-01	51.2455043769181
2007-01-01	51.2520999140942
2007-04-01	51.0334344574976
2007-07-01	50.8337707797646
2007-10-01	50.7497540106582
2008-01-01	50.6701884895514
2008-04-01	50.6263775598446
2008-07-01	50.3693554730099
2008-10-01	50.3705088791207
2009-01-01	50.2755518758480
2009-04-01	50.2081934375358
2009-07-01	50.2714609789181
2009-10-01	50.1326893118322
2010-01-01	50.1166270989333
2010-04-01	50.1612700496820
2010-07-01	50.1757515644745
2010-10-01	50.1293984193835
2011-01-01	50.0601205829258
2011-04-01	49.9407281420154
2011-07-01	49.8643204568603
2011-10-01	49.7703555725846
2012-01-01	49.5902609528541
2012-04-01	49.4770731632463
2012-07-01	49.4064489516384
2012-10-01	49.3782886383677
2013-01-01	49.3041434088322
2013-04-01	49.3244193770680
2013-07-01	49.3034759485267
2013-10-01	49.3009611955919
2014-01-01	49.2793023104777
2014-04-01	49.3087264523164
2014-07-01	49.2379443021384
2014-10-01	49.1767227435335
2015-01-01	49.3128976322173
2015-04-01	49.2242040709421
2015-07-01	49.2913188307253
2015-10-01	49.1989961025860
2016-01-01	48.9784976687853
2016-04-01	48.9014255728312
2016-07-01	48.8134277514307
2016-10-01	48.8374549260768
2017-01-01	48.8700615949581
2017-04-01	48.7905956449874
2017-07-01	48.7202073558202
2017-10-01	48.6172390588430
2018-01-01	48.7056217798096
2018-04-01	48.5846527017009