Quarter	Percent, Seasonally Adjusted
2005-01-01	61.2979758056938
2005-04-01	61.0366964844307
2005-07-01	60.6122774200611
2005-10-01	60.8830253436608
2006-01-01	60.4290502691676
2006-04-01	60.0407927859289
2006-07-01	59.9695477271080
2006-10-01	59.7221021057338
2007-01-01	60.3201995801254
2007-04-01	60.6114755285696
2007-07-01	60.9411567053410
2007-10-01	60.1790706605063
2008-01-01	60.4779536741644
2008-04-01	60.3249231442867
2008-07-01	61.3641658857872
2008-10-01	61.9477533026306
2009-01-01	61.8386854961145
2009-04-01	62.1007227104861
2009-07-01	62.1244639819449
2009-10-01	61.9693895979796
2010-01-01	61.9591705151137
2010-04-01	61.9232256257178
2010-07-01	62.7276183246531
2010-10-01	63.4300052434784
2011-01-01	63.5433452179672
2011-04-01	63.7254574913878
2011-07-01	63.4739565869113
2011-10-01	63.4435225132445
2012-01-01	63.7790545776470
2012-04-01	64.0824474506106
2012-07-01	64.3917371407005
2012-10-01	64.3737084922660
2013-01-01	64.3261724787496
2013-04-01	64.4670333272870
2013-07-01	64.4730191791518
2013-10-01	65.1555739274135
2014-01-01	65.8292633111661
2014-04-01	65.5102577470228
2014-07-01	66.0015231349534
2014-10-01	65.9799638446608
2015-01-01	65.8593714648692
2015-04-01	66.0746417696468
2015-07-01	66.2430747835497
2015-10-01	66.9142435442910
2016-01-01	67.1169170968370
2016-04-01	67.6621701094750
2016-07-01	67.7053623953739
2016-10-01	67.9112642353257
2017-01-01	67.8885753656521
2017-04-01	68.1090387945264
2017-07-01	67.9899778363560
2017-10-01	68.3502083471650
2018-01-01	68.5058893239507
2018-04-01	68.6268047772996