Quarter	Percent, Seasonally Adjusted
2000-01-01	49.9283969801346
2000-04-01	50.5642878221794
2000-07-01	50.9982008321507
2000-10-01	50.8942930422325
2001-01-01	50.7669355659882
2001-04-01	51.4148987715870
2001-07-01	51.2957494806092
2001-10-01	51.7070911630033
2002-01-01	51.7599710284172
2002-04-01	51.9145420486993
2002-07-01	52.0587514699920
2002-10-01	51.8348237688655
2003-01-01	52.0364099384431
2003-04-01	51.6773018916246
2003-07-01	51.0961556265085
2003-10-01	50.9256594765499
2004-01-01	50.9210201903509
2004-04-01	50.9297439333810
2004-07-01	51.4224772108749
2004-10-01	51.4059889468217
2005-01-01	51.8295353581399
2005-04-01	51.7970571423650
2005-07-01	51.8878329934286
2005-10-01	52.0122506575910
2006-01-01	52.3399290270325
2006-04-01	52.3262518285114
2006-07-01	52.4353170092876
2006-10-01	52.7222886696975
2007-01-01	53.0520829518616
2007-04-01	53.0693102247642
2007-07-01	53.2789393667696
2007-10-01	53.5901099253298
2008-01-01	53.4472412929415
2008-04-01	53.5205071119768
2008-07-01	53.5526643638192
2008-10-01	53.6792988420250
2009-01-01	53.4642096897878
2009-04-01	52.8057563551868
2009-07-01	52.1993845532207
2009-10-01	52.1101992701274
2010-01-01	51.7882707592516
2010-04-01	51.8624880916173
2010-07-01	51.6683478151250
2010-10-01	51.6562743397506
2011-01-01	51.4142559876950
2011-04-01	51.6918065701278
2011-07-01	52.1508598371449
2011-10-01	52.0788174517811
2012-01-01	52.0408670214112
2012-04-01	52.0366666591006
2012-07-01	52.3291758418076
2012-10-01	51.7198263510169
2013-01-01	51.6996079978619
2013-04-01	51.5801508383703
2013-07-01	50.9795358644275
2013-10-01	51.1690019006530
2014-01-01	50.9965120012511
2014-04-01	51.2703298912828
2014-07-01	51.2594973206123
2014-10-01	50.7524672026314
2015-01-01	50.7785839568064
2015-04-01	50.6068415010748
2015-07-01	50.7571455167828
2015-10-01	50.6137802760335
2016-01-01	50.4728193594385
2016-04-01	49.9911364908897
2016-07-01	50.5034012787614
2016-10-01	50.1545594323014
2017-01-01	50.4008014867812
2017-04-01	50.3245018763943
2017-07-01	50.1275132268060
2017-10-01	51.4234799877088
2018-01-01	51.3648932204013
2018-04-01	52.0082791840211