Quarter	Percent, Seasonally Adjusted
2002-01-01	45.5262361194477
2002-04-01	43.4047277755067
2002-07-01	44.7903611122099
2002-10-01	43.2588538518245
2003-01-01	44.3671738314659
2003-04-01	43.8098760131010
2003-07-01	42.6387808655697
2003-10-01	44.2503551922052
2004-01-01	42.5856885982703
2004-04-01	43.7215045269913
2004-07-01	43.2661129930330
2004-10-01	42.3605170641996
2005-01-01	44.4029264941150
2005-04-01	42.9683207852203
2005-07-01	44.0829723921819
2005-10-01	42.6611429955876
2006-01-01	42.7987312297999
2006-04-01	40.9019972337256
2006-07-01	41.1596134384150
2006-10-01	41.4870516934412
2007-01-01	41.7984129441650
2007-04-01	40.5128824793678
2007-07-01	39.9743495044803
2007-10-01	39.3371071200211
2008-01-01	38.3567259225212
2008-04-01	37.5236281305702
2008-07-01	38.1054987516672
2008-10-01	38.4428988684505
2009-01-01	36.5576620560028
2009-04-01	37.8029702246978
2009-07-01	40.2424023375567
2009-10-01	39.1464221782177
2010-01-01	39.1242940444427
2010-04-01	38.7954696961262
2010-07-01	38.2514060751042
2010-10-01	39.4624922414732
2011-01-01	40.3114229006603
2011-04-01	39.1386708444354
2011-07-01	39.2503051999886
2011-10-01	39.6817264642656
2012-01-01	38.3337908978119
2012-04-01	37.4714329342071
2012-07-01	37.5489399900408
2012-10-01	37.8606924839872
2013-01-01	37.8145930115025
2013-04-01	37.7765188875084
2013-07-01	37.0533018824286
2013-10-01	38.5777756387680
2014-01-01	37.1021097166310
2014-04-01	37.5265800348160
2014-07-01	38.0631550928426
2014-10-01	39.0020389538446
2015-01-01	37.5462390303970
2015-04-01	36.9616710279252
2015-07-01	36.1391971267029
2015-10-01	36.3378938988757
2016-01-01	35.3416040518802
2016-04-01	35.2832830636245
2016-07-01	35.8128193612062
2016-10-01	35.2893117572750
2017-01-01	35.5022560911586
2017-04-01	35.1871549221766
2017-07-01	34.3357698323259
2017-10-01	34.6660831559200
2018-01-01	34.1444192976514
2018-04-01	33.9814653234910