Quarter	Percent, Seasonally Adjusted
2005-01-01	78.7908963150467
2005-04-01	78.9513213360963
2005-07-01	79.1124130661811
2005-10-01	79.4404230332262
2006-01-01	79.9683129516148
2006-04-01	80.3126214986580
2006-07-01	80.4489159725735
2006-10-01	80.4139971925644
2007-01-01	80.5717152489090
2007-04-01	80.4934517949116
2007-07-01	80.6503049769818
2007-10-01	80.6929313703923
2008-01-01	80.4446523027307
2008-04-01	80.3980671583540
2008-07-01	80.5967960913065
2008-10-01	80.5746538643305
2009-01-01	80.7472849163079
2009-04-01	80.8289277734487
2009-07-01	81.0579815781993
2009-10-01	81.3435071456428
2010-01-01	81.2143924298071
2010-04-01	81.4216281266172
2010-07-01	81.2802068947784
2010-10-01	81.4290694589040
2011-01-01	81.8633898525838
2011-04-01	82.0321204631978
2011-07-01	82.3429260298353
2011-10-01	82.3488211303767
2012-01-01	82.2192853501656
2012-04-01	82.2001672079946
2012-07-01	82.1528377450790
2012-10-01	82.4452600920298
2013-01-01	82.4748851999017
2013-04-01	82.4716264292726
2013-07-01	82.5323405565704
2013-10-01	82.2524005042804
2014-01-01	82.3614726002484
2014-04-01	82.4633748432044
2014-07-01	82.5117252477351
2014-10-01	82.4664268123461
2015-01-01	82.6049997185878
2015-04-01	82.7173856983080
2015-07-01	82.3196762116314
2015-10-01	82.5184667164296
2016-01-01	82.5435464532835
2016-04-01	82.4565569476260
2016-07-01	82.7073687990239
2016-10-01	82.7773236463424
2017-01-01	82.4640867124384
2017-04-01	82.4175192067011
2017-07-01	82.6115102399807
2017-10-01	82.7019089030827
2018-01-01	82.7820381338686
2018-04-01	82.9278867333014