Quarter	Percent, Seasonally Adjusted
2006-01-01	66.1974460425794
2006-04-01	66.7474214437161
2006-07-01	67.0207806926703
2006-10-01	67.5496660526382
2007-01-01	66.7530341160898
2007-04-01	66.8962776034493
2007-07-01	67.1396015469453
2007-10-01	66.5060810105929
2008-01-01	66.6800322387314
2008-04-01	67.1505189531038
2008-07-01	66.7750254110996
2008-10-01	65.6771146534296
2009-01-01	64.1997527189282
2009-04-01	63.6739379092553
2009-07-01	64.8198402495893
2009-10-01	65.4865263578854
2010-01-01	66.0549752313368
2010-04-01	66.6610869161099
2010-07-01	66.5785752185834
2010-10-01	67.3216756467042
2011-01-01	68.8578663923614
2011-04-01	68.8221678716408
2011-07-01	69.6511657941144
2011-10-01	69.6159666448011
2012-01-01	68.2328213847200
2012-04-01	69.0107400517292
2012-07-01	69.2776487723238
2012-10-01	70.1643246399566
2013-01-01	69.4914293989428
2013-04-01	69.5870184783071
2013-07-01	69.3259350091452
2013-10-01	69.4704889199580
2014-01-01	69.8699641065888
2014-04-01	69.9084638845787
2014-07-01	69.1377936524788
2014-10-01	69.1299062682604
2015-01-01	69.7682017013449
2015-04-01	69.7167026905955
2015-07-01	70.0199812473513
2015-10-01	69.7999704572263
2016-01-01	70.4634960545981
2016-04-01	70.3902848135504
2016-07-01	69.4551366302246
2016-10-01	69.8137084338939
2017-01-01	69.9647960252545
2017-04-01	70.3530928830027
2017-07-01	71.2653350836849
2017-10-01	71.2582689733228
2018-01-01	71.5446248101016
2018-04-01	70.8148298799980