Quarter	Percent, Seasonally Adjusted
2005-01-01	61.9858336749311
2005-04-01	62.1307590137305
2005-07-01	62.2316518701934
2005-10-01	62.4234960404767
2006-01-01	62.7201549023122
2006-04-01	62.7709654829276
2006-07-01	62.9650792940573
2006-10-01	62.9278573786512
2007-01-01	62.9981756801084
2007-04-01	63.0765474268992
2007-07-01	63.2042531603273
2007-10-01	63.3561825304127
2008-01-01	63.4989786831856
2008-04-01	63.6155629448618
2008-07-01	63.7542843945724
2008-10-01	63.8202053166126
2009-01-01	63.9724819253884
2009-04-01	64.0789776050851
2009-07-01	64.0963753102184
2009-10-01	64.2271693530675
2010-01-01	64.2457240252789
2010-04-01	64.3614670108869
2010-07-01	64.4890131827464
2010-10-01	64.5315209893072
2011-01-01	64.5770276614251
2011-04-01	64.6809710871036
2011-07-01	64.8235582924806
2011-10-01	65.0203212239733
2012-01-01	65.2478998972736
2012-04-01	65.4622270867373
2012-07-01	65.6390886336386
2012-10-01	65.8100128969330
2013-01-01	65.8790886538221
2013-04-01	66.0194310826117
2013-07-01	66.1101077809256
2013-10-01	66.1919480662305
2014-01-01	66.3853930869252
2014-04-01	66.4232457051785
2014-07-01	66.5818145908602
2014-10-01	66.6878777778407
2015-01-01	66.6801670236313
2015-04-01	66.7990264005046
2015-07-01	66.8099932857572
2015-10-01	66.9626659459903
2016-01-01	67.1122531187026
2016-04-01	67.2616104222335
2016-07-01	67.4437022183955
2016-10-01	67.5073145461915
2017-01-01	67.6341487773750
2017-04-01	67.8011043597064
2017-07-01	67.8846349136833
2017-10-01	68.0007076513722
2018-01-01	68.1056717905474
2018-04-01	68.2053893083191