Quarter	Percent, Seasonally Adjusted
2005-01-01	79.1192098751694
2005-04-01	77.8100385017401
2005-07-01	77.7715692082482
2005-10-01	79.7588425548776
2006-01-01	78.6132810530636
2006-04-01	78.5336742077300
2006-07-01	79.4494063650948
2006-10-01	78.3753161570897
2007-01-01	79.4608955914661
2007-04-01	80.7330435499075
2007-07-01	81.0054850404945
2007-10-01	79.6737682578724
2008-01-01	78.9187882285234
2008-04-01	79.0424841035574
2008-07-01	79.7962009730130
2008-10-01	79.7311833518468
2009-01-01	77.9842338617006
2009-04-01	77.2487462621250
2009-07-01	78.4740883579876
2009-10-01	76.3968530780827
2010-01-01	75.3868819620838
2010-04-01	75.8810796809788
2010-07-01	76.4069079951253
2010-10-01	75.9438142484372
2011-01-01	76.6410730988906
2011-04-01	78.5885771635640
2011-07-01	78.5648549674648
2011-10-01	78.6755726698693
2012-01-01	78.5516001601394
2012-04-01	79.5956817306318
2012-07-01	79.9308309812305
2012-10-01	78.4479300785896
2013-01-01	78.7965456975140
2013-04-01	80.4694415953804
2013-07-01	79.2755282878290
2013-10-01	79.1991483733775
2014-01-01	79.8182892448040
2014-04-01	81.2298209859687
2014-07-01	81.7552088706682
2014-10-01	80.9708184780670
2015-01-01	80.4917229373308
2015-04-01	81.6427380103508
2015-07-01	82.2545223467011
2015-10-01	81.0498516933656
2016-01-01	82.0760548730255
2016-04-01	83.8381662834310
2016-07-01	83.1121562367769
2016-10-01	82.4615573004876
2017-01-01	82.5310806391439
2017-04-01	83.8363080899173
2017-07-01	84.3297425933287
2017-10-01	83.8508910961058
2018-01-01	82.6411423981357
2018-04-01	83.6196572072488