Quarter	Percent, Seasonally Adjusted
2000-01-01	82.5524151693100
2000-04-01	82.5184559219834
2000-07-01	82.1684000370594
2000-10-01	82.2911826716779
2001-01-01	82.1175222240417
2001-04-01	81.9854520416397
2001-07-01	81.9000819434582
2001-10-01	81.7477893615155
2002-01-01	81.5710165660661
2002-04-01	81.4687457632584
2002-07-01	81.5361920541134
2002-10-01	81.3352308443030
2003-01-01	81.3831991500242
2003-04-01	81.3485780145392
2003-07-01	81.4749020211235
2003-10-01	81.4054291126567
2004-01-01	81.8001936151161
2004-04-01	81.7481209014764
2004-07-01	81.7734118983305
2004-10-01	82.1373750380797
2005-01-01	82.3831183649747
2005-04-01	82.6676456440288
2005-07-01	82.5789505863313
2005-10-01	82.5599642233094
2006-01-01	81.9146218609058
2006-04-01	81.7550554791466
2006-07-01	81.6849283698307
2006-10-01	81.6402801314822
2007-01-01	81.6356771551696
2007-04-01	81.7138573390726
2007-07-01	81.5483384365140
2007-10-01	82.0628562652720
2008-01-01	82.1054268406332
2008-04-01	82.3455051851893
2008-07-01	82.6228869004174
2008-10-01	82.7857764904274
2009-01-01	82.9626231986055
2009-04-01	83.2251625646027
2009-07-01	83.6474221660297
2009-10-01	83.6374888373161
2010-01-01	83.7871818183465
2010-04-01	84.1725578237305
2010-07-01	84.2652631393223
2010-10-01	84.3511450741750
2011-01-01	84.2054500306256
2011-04-01	84.1683759840197
2011-07-01	84.1154331832124
2011-10-01	84.3736457771328
2012-01-01	84.5049159282972
2012-04-01	84.6242684300106
2012-07-01	84.6914066657443
2012-10-01	84.6836418398380
2013-01-01	84.4611430613883
2013-04-01	84.6630024718348
2013-07-01	84.7307164954076
2013-10-01	84.6407382089040
2014-01-01	84.9851590442371
2014-04-01	85.0297741901187
2014-07-01	85.2107158984587
2014-10-01	85.1989035008828
2015-01-01	85.2308795058074
2015-04-01	85.0262317340469
2015-07-01	85.0880250889522
2015-10-01	85.2188586671576
2016-01-01	85.0021307466973
2016-04-01	84.9666596850958
2016-07-01	84.8833077581646
2016-10-01	84.8402950423726
2017-01-01	85.0100670542250
2017-04-01	85.0315444399134
2017-07-01	84.8891855237762
2017-10-01	84.8658337750372
2018-01-01	84.8708013012624
2018-04-01	85.0666320711545