Quarter	Percent, Seasonally Adjusted
2000-01-01	81.2085571454846
2000-04-01	81.4293867232222
2000-07-01	81.2599316417210
2000-10-01	81.2294075187626
2001-01-01	81.0470441384518
2001-04-01	80.8223373250120
2001-07-01	80.5828233047471
2001-10-01	80.3183891557089
2002-01-01	80.2013414110960
2002-04-01	80.1295859113318
2002-07-01	79.9419897790487
2002-10-01	79.3326232717170
2003-01-01	78.9971981030977
2003-04-01	78.3958661457527
2003-07-01	77.9194052633974
2003-10-01	77.9415614031931
2004-01-01	77.8989429834784
2004-04-01	77.8768131073436
2004-07-01	78.1027683692806
2004-10-01	77.8245130807530
2005-01-01	77.6176917483780
2005-04-01	77.7177459929879
2005-07-01	77.7424190563531
2005-10-01	78.3023372473274
2006-01-01	78.3572149986169
2006-04-01	78.2183418407901
2006-07-01	78.4976705647357
2006-10-01	78.5701185624147
2007-01-01	79.1042769537939
2007-04-01	79.2343524594013
2007-07-01	79.5858785759799
2007-10-01	80.1589648899067
2008-01-01	80.5407559998521
2008-04-01	80.8046319405498
2008-07-01	80.6157427155133
2008-10-01	79.8659123366359
2009-01-01	79.2146023057954
2009-04-01	79.0763436401440
2009-07-01	77.5950294783597
2009-10-01	77.4877680298942
2010-01-01	77.4982955793221
2010-04-01	77.4572574522756
2010-07-01	76.9507550061650
2010-10-01	77.1803112827240
2011-01-01	76.7588611543688
2011-04-01	76.7236028759492
2011-07-01	77.3697262003944
2011-10-01	77.5813611782032
2012-01-01	77.8006450043168
2012-04-01	77.7300490436532
2012-07-01	77.5535394925440
2012-10-01	77.4670726979325
2013-01-01	77.3547904881956
2013-04-01	77.2944015924233
2013-07-01	77.2562955446573
2013-10-01	77.1589584654872
2014-01-01	76.9799487470605
2014-04-01	77.1476802070446
2014-07-01	77.1228881051850
2014-10-01	76.7574083137982
2015-01-01	76.8181292961054
2015-04-01	76.6048472878140
2015-07-01	76.2666837167219
2015-10-01	76.4233914920989
2016-01-01	76.0379104806928
2016-04-01	75.5747592621023
2016-07-01	75.7229059445897
2016-10-01	75.4121299558561
2017-01-01	75.4487289306073
2017-04-01	75.4446619075404
2017-07-01	75.5400724547934
2017-10-01	75.8570824098961
2018-01-01	76.3716121213568
2018-04-01	76.7129167016275