Quarter	Percent, Seasonally Adjusted
2005-01-01	63.3395781963550
2005-04-01	63.4474527351748
2005-07-01	63.5822251477546
2005-10-01	63.8113532410535
2006-01-01	64.1420347230144
2006-04-01	64.4415949375658
2006-07-01	64.6739788406420
2006-10-01	64.9056101387304
2007-01-01	65.1570024217316
2007-04-01	65.4482711448481
2007-07-01	65.7151503580536
2007-10-01	65.8115217162939
2008-01-01	65.9457439482815
2008-04-01	65.9335064192768
2008-07-01	65.9497425663367
2008-10-01	65.6343750110422
2009-01-01	64.9060889184943
2009-04-01	64.5464502232651
2009-07-01	64.2223992017718
2009-10-01	64.1762882155896
2010-01-01	64.0679182246670
2010-04-01	64.0048263041581
2010-07-01	64.0514393896584
2010-10-01	64.1210450133558
2011-01-01	64.1687909320309
2011-04-01	64.2495894572009
2011-07-01	64.1039248874490
2011-10-01	64.0237058850468
2012-01-01	63.8858518635254
2012-04-01	63.7746114443359
2012-07-01	63.6930013914109
2012-10-01	63.5769927264450
2013-01-01	63.4357367965940
2013-04-01	63.3970257180347
2013-07-01	63.4337587556070
2013-10-01	63.5415113506592
2014-01-01	63.6042075777326
2014-04-01	63.7217264457897
2014-07-01	63.8416965196257
2014-10-01	64.0226539591414
2015-01-01	64.2205299856972
2015-04-01	64.3385766332428
2015-07-01	64.5818148543661
2015-10-01	64.7958981068457
2016-01-01	65.0959217789307
2016-04-01	65.3220339179616
2016-07-01	65.5660939199699
2016-10-01	65.7230859609620
2017-01-01	65.9599718016785
2017-04-01	66.2357910373416
2017-07-01	66.4744781847261
2017-10-01	66.7743344372514
2018-01-01	66.9370845636387
2018-04-01	67.1865664011154