Quarter	Percent, Seasonally Adjusted
2001-01-01	84.7918732323509
2001-04-01	84.3998747306190
2001-07-01	84.4996344325201
2001-10-01	84.5922569114558
2002-01-01	84.5524531626357
2002-04-01	84.0797663224653
2002-07-01	84.0021301540305
2002-10-01	83.9657221454018
2003-01-01	83.6847546096294
2003-04-01	83.6524726018462
2003-07-01	83.4069669931825
2003-10-01	83.3447486677149
2004-01-01	83.1772302425116
2004-04-01	83.1667510336166
2004-07-01	82.8314415875392
2004-10-01	82.6131673143615
2005-01-01	82.6712608651192
2005-04-01	83.5753626704672
2005-07-01	83.7620966960309
2005-10-01	84.0465464131994
2006-01-01	84.1071069473904
2006-04-01	84.3212710768394
2006-07-01	85.0703852861724
2006-10-01	85.3196228058058
2007-01-01	85.6898209840137
2007-04-01	86.0337674803881
2007-07-01	86.1581919168086
2007-10-01	86.3940901041105
2008-01-01	86.5890409494244
2008-04-01	86.5809985562218
2008-07-01	86.6283274626617
2008-10-01	86.1459499000297
2009-01-01	85.3956622717841
2009-04-01	84.5478843506154
2009-07-01	84.1275419148826
2009-10-01	83.7884772357471
2010-01-01	83.7096222324893
2010-04-01	83.9444994687454
2010-07-01	84.0612017793510
2010-10-01	84.3857785496622
2011-01-01	84.9130694594073
2011-04-01	85.1223029211930
2011-07-01	85.1135915776932
2011-10-01	85.2752033906464
2012-01-01	85.2201714579523
2012-04-01	85.3241498113996
2012-07-01	85.1476045004086
2012-10-01	85.2322564839333
2013-01-01	85.4937383579302
2013-04-01	85.4630268168991
2013-07-01	85.3506888635863
2013-10-01	85.2473044867463
2014-01-01	85.2516299500270
2014-04-01	85.2702341474062
2014-07-01	85.5885980170698
2014-10-01	85.3523485656856
2015-01-01	85.3311864602524
2015-04-01	85.5612591615617
2015-07-01	85.7155040848874
2015-10-01	85.9859935470888
2016-01-01	85.8410219098348
2016-04-01	85.9714619535620
2016-07-01	85.9682966985431
2016-10-01	85.9998063447046
2017-01-01	86.4237002008202
2017-04-01	86.2877115107690
2017-07-01	86.3813706014326
2017-10-01	86.2955998928762
2018-01-01	86.4686957922133
2018-04-01	86.7283652286824