Quarter	Percent, Seasonally Adjusted
2005-01-01	63.7581500385405
2005-04-01	64.0016198296618
2005-07-01	63.9956363164914
2005-10-01	64.0551769731433
2006-01-01	64.4324402337028
2006-04-01	64.6153557424911
2006-07-01	64.6119638778996
2006-10-01	65.0355489879361
2007-01-01	64.7108659578603
2007-04-01	64.9243511798599
2007-07-01	65.0816105576663
2007-10-01	65.1214736634202
2008-01-01	65.0630432785440
2008-04-01	64.9888723704915
2008-07-01	65.2904753886904
2008-10-01	65.1983572582630
2009-01-01	65.2140948469710
2009-04-01	65.3282342982235
2009-07-01	65.3118727604991
2009-10-01	65.8777424212459
2010-01-01	65.6688867050112
2010-04-01	65.7211600536349
2010-07-01	65.8235730220414
2010-10-01	66.0660496125878
2011-01-01	66.5181145457627
2011-04-01	66.9344861344629
2011-07-01	66.9565424427857
2011-10-01	67.1653317966119
2012-01-01	66.8805116057380
2012-04-01	67.0363890102594
2012-07-01	67.3452064896130
2012-10-01	67.2897863491297
2013-01-01	67.5116184721634
2013-04-01	67.8572131345022
2013-07-01	67.8156445777246
2013-10-01	67.8622336766581
2014-01-01	68.0119683982961
2014-04-01	68.0596696879775
2014-07-01	68.3080029824006
2014-10-01	68.2530244760114
2015-01-01	68.2170224583676
2015-04-01	68.1022764135016
2015-07-01	68.1769736789602
2015-10-01	68.5269290900435
2016-01-01	68.8919710285360
2016-04-01	68.8813012961608
2016-07-01	69.2891479251509
2016-10-01	69.3179694033869
2017-01-01	69.1384062874252
2017-04-01	69.4652453684181
2017-07-01	69.5677407318752
2017-10-01	69.7231820894843
2018-01-01	69.4233974375384
2018-04-01	69.5050413058049