Quarter	Percent, Seasonally Adjusted
2001-01-01	77.8882982211359
2001-04-01	77.8162737761196
2001-07-01	77.8624892310322
2001-10-01	77.8550072810605
2002-01-01	77.8049339394525
2002-04-01	77.5660605028771
2002-07-01	77.5463054873522
2002-10-01	77.4760806319334
2003-01-01	77.3429855245633
2003-04-01	77.4406278889297
2003-07-01	77.2328294583068
2003-10-01	77.2630704108339
2004-01-01	77.3062677773339
2004-04-01	77.0786997321926
2004-07-01	77.3009816459028
2004-10-01	77.0113874301753
2005-01-01	76.8954218970737
2005-04-01	78.8132840495098
2005-07-01	78.4489858949515
2005-10-01	78.7409917065871
2006-01-01	78.6210599411972
2006-04-01	78.7248037844640
2006-07-01	78.8916330098497
2006-10-01	78.8031351155677
2007-01-01	79.0125469241344
2007-04-01	79.0030178710571
2007-07-01	79.2335741871576
2007-10-01	79.2998015196272
2008-01-01	79.3482414966400
2008-04-01	79.4321433018310
2008-07-01	79.3847581847604
2008-10-01	79.2164117847483
2009-01-01	79.1479298614876
2009-04-01	79.1271962324259
2009-07-01	78.5923711914133
2009-10-01	78.8277694283114
2010-01-01	78.8291178750553
2010-04-01	79.0037745145750
2010-07-01	79.2573527112283
2010-10-01	79.2690194098641
2011-01-01	79.7172198604939
2011-04-01	79.9151684808243
2011-07-01	79.9196717229107
2011-10-01	80.1526767667261
2012-01-01	79.9887310153938
2012-04-01	80.2318920866206
2012-07-01	80.4075743561566
2012-10-01	80.5558404998895
2013-01-01	80.8596598490340
2013-04-01	80.9836402216882
2013-07-01	81.1828164351402
2013-10-01	81.3495659379942
2014-01-01	81.2852417404203
2014-04-01	81.3730580581677
2014-07-01	81.8805834286706
2014-10-01	81.4333269325449
2015-01-01	81.6488702673886
2015-04-01	81.6414172549590
2015-07-01	81.7301361352389
2015-10-01	81.9538354758427
2016-01-01	81.9936215379774
2016-04-01	82.1211537131265
2016-07-01	81.9880094335406
2016-10-01	82.1888323157716
2017-01-01	82.4641998346901
2017-04-01	82.4063981688426
2017-07-01	82.6533490082897
2017-10-01	82.5558785245962
2018-01-01	82.5513837922516
2018-04-01	82.7606322546426