Quarter	Percent, Seasonally Adjusted
2001-01-01	50.3321167296283
2001-04-01	50.3682504385328
2001-07-01	49.9344661914215
2001-10-01	49.5291860604457
2002-01-01	49.5448523506187
2002-04-01	48.6702170423356
2002-07-01	49.0671673170147
2002-10-01	48.9967928156631
2003-01-01	48.1653096532169
2003-04-01	48.5186865050432
2003-07-01	47.3627618433674
2003-10-01	46.9471235392153
2004-01-01	47.1749211261110
2004-04-01	45.8138015392192
2004-07-01	47.8249970388090
2004-10-01	47.9088048220779
2005-01-01	47.6975201509687
2005-04-01	51.8295497879247
2005-07-01	49.8134182247681
2005-10-01	50.1695663089801
2006-01-01	50.3532129388654
2006-04-01	51.3882011175006
2006-07-01	51.8680643388149
2006-10-01	51.7347262098178
2007-01-01	52.6553148427238
2007-04-01	50.8287384321949
2007-07-01	52.4968666914773
2007-10-01	52.9814477659648
2008-01-01	53.1211740531087
2008-04-01	53.0501483495496
2008-07-01	53.0761288468222
2008-10-01	52.1325169045961
2009-01-01	51.4568669842639
2009-04-01	51.7356798941893
2009-07-01	50.2132995387701
2009-10-01	50.6861068249122
2010-01-01	50.7338107576347
2010-04-01	51.3955440897541
2010-07-01	52.2348495247388
2010-10-01	52.1464529520106
2011-01-01	52.8995551152120
2011-04-01	53.0800915859852
2011-07-01	52.9532149643774
2011-10-01	52.9935524889107
2012-01-01	52.1602644433735
2012-04-01	52.3722899524945
2012-07-01	52.8829004758648
2012-10-01	52.9226789085594
2013-01-01	53.8314350131604
2013-04-01	54.2450242527006
2013-07-01	54.6053090124822
2013-10-01	55.3127505031960
2014-01-01	55.1286198503933
2014-04-01	55.2193550612661
2014-07-01	56.0427828407606
2014-10-01	55.3982968884907
2015-01-01	55.4691719712883
2015-04-01	54.7053592639632
2015-07-01	55.2194330957990
2015-10-01	55.1229364992541
2016-01-01	55.5818909858074
2016-04-01	55.7869881772120
2016-07-01	53.5131481670283
2016-10-01	54.4729125172061
2017-01-01	54.9430904261812
2017-04-01	54.2593706459082
2017-07-01	54.9078681085037
2017-10-01	54.6836003403423
2018-01-01	54.3952996710516
2018-04-01	53.9572172221033