Quarter	Percent, Seasonally Adjusted
2000-01-01	81.1719374658419
2000-04-01	82.0125782880912
2000-07-01	82.3909975511901
2000-10-01	82.8718082143331
2001-01-01	82.7691286185545
2001-04-01	82.6274729459686
2001-07-01	82.8022205788484
2001-10-01	82.8239700367944
2002-01-01	82.5706630996630
2002-04-01	82.7972018009375
2002-07-01	82.2787875641490
2002-10-01	82.1223369114637
2003-01-01	81.4566592135502
2003-04-01	81.3356879892213
2003-07-01	80.8617852767827
2003-10-01	80.6333400253824
2004-01-01	80.5862075016471
2004-04-01	80.1734439432961
2004-07-01	80.3364119473467
2004-10-01	79.8312464048698
2005-01-01	79.8769781740092
2005-04-01	79.8187499030512
2005-07-01	79.9862109408570
2005-10-01	80.0268573047025
2006-01-01	80.3465913834004
2006-04-01	80.7434354020253
2006-07-01	81.0549051489196
2006-10-01	81.6465943927572
2007-01-01	81.8989585466520
2007-04-01	82.2317322743901
2007-07-01	82.5137955635695
2007-10-01	82.3505862994514
2008-01-01	82.8667841199019
2008-04-01	83.2809619205969
2008-07-01	83.2207784168390
2008-10-01	83.3215894226826
2009-01-01	83.1386271933781
2009-04-01	82.6386037215806
2009-07-01	82.1701056831512
2009-10-01	81.5588665993404
2010-01-01	80.0023192603746
2010-04-01	80.0088372299549
2010-07-01	79.9469971353942
2010-10-01	79.9826105765795
2011-01-01	79.3175643179600
2011-04-01	79.0233217213860
2011-07-01	79.3571154610597
2011-10-01	79.6604694007158
2012-01-01	79.7146263156930
2012-04-01	79.4457169493507
2012-07-01	79.2385305931263
2012-10-01	78.7501181971889
2013-01-01	78.5314064066445
2013-04-01	78.2578530146724
2013-07-01	77.8732602453347
2013-10-01	77.9565606968149
2014-01-01	77.9494059389325
2014-04-01	77.9329491129141
2014-07-01	78.1768177914400
2014-10-01	78.4143759496564
2015-01-01	79.0107816833546
2015-04-01	78.9376972104340
2015-07-01	78.9962100719433
2015-10-01	79.0557025936574
2016-01-01	79.4529223971929
2016-04-01	79.4857823579221
2016-07-01	79.5756785537343
2016-10-01	79.8651871539821
2017-01-01	80.0392674196289
2017-04-01	80.2144580248735
2017-07-01	80.5225802406623
2017-10-01	80.7808997836536
2018-01-01	81.1574646892700
2018-04-01	81.2900709424202