Quarter	Percent, Seasonally Adjusted
2005-01-01	76.9075849460622
2005-04-01	76.9592023683050
2005-07-01	77.0219407240466
2005-10-01	77.3078397721213
2006-01-01	77.6459455889651
2006-04-01	78.0032865350021
2006-07-01	78.2449341474892
2006-10-01	78.4304198676204
2007-01-01	78.6066342595258
2007-04-01	78.8874770627115
2007-07-01	79.1710283005279
2007-10-01	79.3270261210133
2008-01-01	79.4695511893850
2008-04-01	79.4932459087034
2008-07-01	79.5498617547997
2008-10-01	79.2631742754264
2009-01-01	78.5475409049407
2009-04-01	78.0472354626872
2009-07-01	77.7925156694234
2009-10-01	77.6824001714906
2010-01-01	77.6051049362248
2010-04-01	77.7347511498782
2010-07-01	77.7113560298340
2010-10-01	77.7310209473970
2011-01-01	77.8080789300496
2011-04-01	77.7528434009336
2011-07-01	77.5468964424856
2011-10-01	77.5171064944450
2012-01-01	77.4380133227502
2012-04-01	77.3169889262216
2012-07-01	77.2021132717327
2012-10-01	77.0995530050284
2013-01-01	76.8870424490736
2013-04-01	76.8422875461640
2013-07-01	76.8015064689884
2013-10-01	76.9768922589942
2014-01-01	77.2063503587344
2014-04-01	77.3050599384195
2014-07-01	77.4676344982426
2014-10-01	77.6091331592443
2015-01-01	77.7430840119444
2015-04-01	77.8366470028345
2015-07-01	78.0857939179505
2015-10-01	78.3061536820888
2016-01-01	78.4305867427616
2016-04-01	78.6515698837568
2016-07-01	78.8598449264918
2016-10-01	79.0145465400587
2017-01-01	79.2472043423083
2017-04-01	79.6056135446690
2017-07-01	79.7817160304722
2017-10-01	79.9232396636503
2018-01-01	80.1592582588016
2018-04-01	80.4324566223613