Quarter	Percent, Seasonally Adjusted
2003-01-01	76.8450030523956
2003-04-01	77.2585944274858
2003-07-01	78.9890689702861
2003-10-01	76.1091948124046
2004-01-01	76.3441830569809
2004-04-01	75.3188398438790
2004-07-01	75.6732158095455
2004-10-01	75.4680404062452
2005-01-01	77.5067637781612
2005-04-01	76.7591601280123
2005-07-01	76.0148743569038
2005-10-01	77.9170521166822
2006-01-01	78.2273974143938
2006-04-01	77.9871503385316
2006-07-01	77.7216393817641
2006-10-01	77.0840165594276
2007-01-01	78.3222813060106
2007-04-01	78.3333335422718
2007-07-01	77.7592722158444
2007-10-01	76.5949292083614
2008-01-01	76.6955327939161
2008-04-01	76.5705644299712
2008-07-01	77.1270308855367
2008-10-01	77.6183201660351
2009-01-01	75.9923606331156
2009-04-01	74.8481440386021
2009-07-01	76.7850540460552
2009-10-01	77.9418935612374
2010-01-01	77.0138355879362
2010-04-01	76.7248784236632
2010-07-01	76.6009162826040
2010-10-01	76.8186783893986
2011-01-01	76.6017902801212
2011-04-01	78.0812092476735
2011-07-01	76.2034426839763
2011-10-01	74.7030273296994
2012-01-01	76.4993625845614
2012-04-01	78.1456479172240
2012-07-01	76.8096099140628
2012-10-01	76.8156104521602
2013-01-01	76.8499692450727
2013-04-01	77.3420409350464
2013-07-01	78.1214786983018
2013-10-01	78.2153425150021
2014-01-01	77.4375430024328
2014-04-01	78.6194787486150
2014-07-01	79.0909831606321
2014-10-01	79.3823525531799
2015-01-01	79.4450192508679
2015-04-01	80.1290506086110
2015-07-01	79.1732506606376
2015-10-01	79.9582257127556
2016-01-01	79.0117221968128
2016-04-01	79.7096350237458
2016-07-01	80.1429093546757
2016-10-01	80.0714328240610
2017-01-01	80.2056875582970
2017-04-01	78.5616660816616
2017-07-01	77.6371061535684
2017-10-01	79.1881792947326
2018-01-01	78.4005190467463
2018-04-01	77.0685437196274