Quarter	Percent, Seasonally Adjusted
1998-04-01	32.0097812890097
1999-04-01	32.1397573137732
2000-04-01	32.6346040064238
2001-04-01	32.1984958366908
2002-04-01	32.2793520253353
2003-04-01	32.1552856204859
2004-04-01	32.7268884336488
2005-04-01	33.0241396524792
2006-04-01	32.6449182839632
2007-04-01	32.3706549058662
2008-04-01	31.8138607072171
2009-04-01	31.7625055571737
2010-01-01	33.1169506462444
2010-04-01	33.0146972810151
2010-07-01	32.8566360707953
2010-10-01	33.0193907840312
2011-01-01	32.6050978169404
2011-04-01	32.6338655265726
2011-07-01	32.6367759097303
2011-10-01	32.3095065333431
2012-01-01	32.5557873785754
2012-04-01	32.5861929032853
2012-07-01	32.3030600736143
2012-10-01	32.4809241648182
2013-01-01	32.4478165461826
2013-04-01	32.5273010674246
2013-07-01	32.5085667061292
2013-10-01	32.3692391508010
2014-01-01	32.5090105101892
2014-04-01	32.1314489283671
2014-07-01	32.1339764058664
2014-10-01	31.5929954291656
2015-01-01	31.8969212971170
2015-04-01	32.0264209691855
2015-07-01	31.9843676871867
2015-10-01	31.5044816893600
2016-01-01	31.2957381881338
2016-04-01	31.6030882064049
2016-07-01	31.5022381622956
2016-10-01	31.3245025683016
2017-01-01	31.4268363084294
2017-04-01	31.6214039800292
2017-07-01	31.6360301179012
2017-10-01	31.5387271867524
2018-01-01	31.3977430965426
2018-04-01	31.4930519957402