Quarter	Percent, Seasonally Adjusted
2002-01-01	76.4707647790939
2002-04-01	77.6257939094114
2002-07-01	79.8155110188396
2002-10-01	77.7839483106766
2003-01-01	80.4150347767827
2003-04-01	78.5146858118259
2003-07-01	79.9257691002097
2003-10-01	80.3487595489788
2004-01-01	78.5982680302954
2004-04-01	79.7054536747718
2004-07-01	79.0849489469691
2004-10-01	79.4091903142953
2005-01-01	79.8683279293955
2005-04-01	80.8980054005968
2005-07-01	80.1680164087481
2005-10-01	81.4616480588663
2006-01-01	82.5555907365884
2006-04-01	83.6885485100695
2006-07-01	85.6114465772855
2006-10-01	85.5764613161284
2007-01-01	83.7593463806488
2007-04-01	85.8726066470106
2007-07-01	87.5546142066476
2007-10-01	87.0449173711883
2008-01-01	85.4417594229456
2008-04-01	86.7136506338774
2008-07-01	84.4825233890620
2008-10-01	82.8466960216618
2009-01-01	77.7923025785157
2009-04-01	72.8870332369523
2009-07-01	73.2189454321969
2009-10-01	70.7795617708115
2010-01-01	69.2156452059815
2010-04-01	70.8023260801768
2010-07-01	73.1959631601848
2010-10-01	73.6387965437175
2011-01-01	73.5131339544246
2011-04-01	74.3778838051178
2011-07-01	75.9851715120807
2011-10-01	76.4824556301540
2012-01-01	75.3886876960211
2012-04-01	77.6717010103489
2012-07-01	79.8654089459106
2012-10-01	77.8034766854937
2013-01-01	78.5266835209824
2013-04-01	79.6720628079859
2013-07-01	80.6959232346873
2013-10-01	80.5811404001763
2014-01-01	79.1332909531019
2014-04-01	79.9592936802567
2014-07-01	80.8102277143476
2014-10-01	81.5804366980935
2015-01-01	80.3543322365455
2015-04-01	81.1570670921419
2015-07-01	81.5196119976284
2015-10-01	81.6913131896612
2016-01-01	80.8473363647781
2016-04-01	82.0426639189708
2016-07-01	81.6388812623518
2016-10-01	80.9228180889273
2017-01-01	82.6244445861452
2017-04-01	82.4524596043688
2017-07-01	84.1523054737005
2017-10-01	84.8858871441740
2018-01-01	84.2809735763829
2018-04-01	84.0649126115615