Quarter	Percent, Seasonally Adjusted
2005-01-01	66.3994938988000
2005-04-01	66.3036347107380
2005-07-01	65.6746891510813
2005-10-01	65.8142430753546
2006-01-01	65.5489603064638
2006-04-01	64.3011516478549
2006-07-01	64.2116144088444
2006-10-01	64.1392020932799
2007-01-01	64.6351903289959
2007-04-01	65.2641287431850
2007-07-01	66.0090953693395
2007-10-01	65.4761457940240
2008-01-01	65.2814916616228
2008-04-01	65.8359646978686
2008-07-01	65.8200197049164
2008-10-01	66.1010002922367
2009-01-01	65.7375962527634
2009-04-01	65.7506824891657
2009-07-01	65.8490842532401
2009-10-01	65.3965214013224
2010-01-01	65.3421249089193
2010-04-01	65.2874906151434
2010-07-01	65.8948591129899
2010-10-01	66.8273737790590
2011-01-01	67.5823827958452
2011-04-01	67.6629620007461
2011-07-01	66.8897270349535
2011-10-01	66.9733870390800
2012-01-01	66.8214386501078
2012-04-01	67.5031222721563
2012-07-01	68.1201970711515
2012-10-01	67.8848636326182
2013-01-01	68.0189659208562
2013-04-01	68.2985991216299
2013-07-01	68.5920012823568
2013-10-01	69.2634737185793
2014-01-01	69.7963272769825
2014-04-01	69.4428230530141
2014-07-01	70.0006256631714
2014-10-01	69.7420983784633
2015-01-01	69.5103315585186
2015-04-01	69.5023482828148
2015-07-01	69.4449460304547
2015-10-01	70.2057418124400
2016-01-01	70.1183307677178
2016-04-01	71.2690365398510
2016-07-01	71.2009922849192
2016-10-01	71.1996125254201
2017-01-01	71.4254630326437
2017-04-01	71.1076232071126
2017-07-01	71.0887610159589
2017-10-01	71.5466703978698
2018-01-01	71.9845568702914
2018-04-01	72.4837317646397