Quarter	Percent, Seasonally Adjusted
2005-01-01	63.1991413225898
2005-04-01	63.1674895811954
2005-07-01	62.5256197166120
2005-10-01	62.6289746720490
2006-01-01	62.1904559572837
2006-04-01	61.0808180625428
2006-07-01	61.0501311829202
2006-10-01	60.9089187816891
2007-01-01	61.3041856610223
2007-04-01	61.8620845988213
2007-07-01	62.5540135799281
2007-10-01	62.1427165681943
2008-01-01	61.7981260704586
2008-04-01	62.2668959641950
2008-07-01	62.2471532097931
2008-10-01	62.4705373201254
2009-01-01	62.0673792740910
2009-04-01	62.0949435685436
2009-07-01	62.1225066750082
2009-10-01	61.6417195423184
2010-01-01	61.5659814594047
2010-04-01	61.5019591052708
2010-07-01	62.0404458232246
2010-10-01	62.8981231355042
2011-01-01	63.4666891361995
2011-04-01	63.4582310431682
2011-07-01	62.6930822910759
2011-10-01	62.6931219115339
2012-01-01	62.5654496039916
2012-04-01	63.1947175461984
2012-07-01	63.7215735400153
2012-10-01	63.4510414960027
2013-01-01	63.6398786012857
2013-04-01	63.9561086615990
2013-07-01	64.1891456289668
2013-10-01	64.7576563346718
2014-01-01	65.2122476949738
2014-04-01	64.7245891745507
2014-07-01	65.2602733079046
2014-10-01	65.0054612002180
2015-01-01	64.8193302579031
2015-04-01	64.8316948043766
2015-07-01	64.6292034369984
2015-10-01	65.2549451150161
2016-01-01	65.3201349876608
2016-04-01	66.3518751745342
2016-07-01	66.2102098537394
2016-10-01	66.2216769160312
2017-01-01	66.4694777110154
2017-04-01	66.1869927008881
2017-07-01	66.2046804137974
2017-10-01	66.7110788565125
2018-01-01	67.1275128632800
2018-04-01	67.4082134935638