Quarter	Percent, Seasonally Adjusted
2005-01-01	77.2081658596433
2005-04-01	77.2849591056804
2005-07-01	77.2951620494448
2005-10-01	77.3695321885179
2006-01-01	77.4566090801177
2006-04-01	77.4973320295180
2006-07-01	77.6165027879146
2006-10-01	77.6303883529688
2007-01-01	77.5528802455835
2007-04-01	77.5577930755014
2007-07-01	77.6163265056144
2007-10-01	77.6359771484456
2008-01-01	77.8090807297810
2008-04-01	77.8539994068674
2008-07-01	77.8320516819904
2008-10-01	77.8543817870992
2009-01-01	77.7557900459965
2009-04-01	77.6584836028793
2009-07-01	77.6252010314286
2009-10-01	77.5175474273870
2010-01-01	77.5889817300236
2010-04-01	77.6620296459373
2010-07-01	77.5972736308889
2010-10-01	77.5784188245570
2011-01-01	77.4568051907364
2011-04-01	77.4374066734129
2011-07-01	77.4722390457516
2011-10-01	77.5588141254140
2012-01-01	77.7337181847849
2012-04-01	77.8232342472200
2012-07-01	77.8583162076529
2012-10-01	77.9664334335427
2013-01-01	77.8799402669852
2013-04-01	77.9772376377390
2013-07-01	77.9914591566012
2013-10-01	77.9525882565926
2014-01-01	78.0596779032974
2014-04-01	78.0349002887209
2014-07-01	78.1282643808302
2014-10-01	78.1811168812823
2015-01-01	78.1718018544252
2015-04-01	78.1910885126306
2015-07-01	78.2997200054139
2015-10-01	78.4219536544931
2016-01-01	78.4792877440507
2016-04-01	78.5218121081030
2016-07-01	78.5606603978578
2016-10-01	78.5763467363151
2017-01-01	78.6720367147264
2017-04-01	78.8442132914500
2017-07-01	78.9098711298349
2017-10-01	79.0241086941182
2018-01-01	79.1131811847694
2018-04-01	79.1264231054169