Quarter	Percent, Seasonally Adjusted
1998-04-01	28.1231696092377
1999-04-01	27.7956607165252
2000-04-01	28.3985024958403
2001-04-01	26.8200975126023
2002-04-01	26.1371073298429
2003-04-01	25.8695388103818
2004-04-01	26.1005658332999
2005-04-01	25.7344160496776
2006-04-01	25.2934898612593
2007-04-01	24.9892017120195
2008-04-01	23.3859063009867
2009-04-01	22.8750384260682
2010-01-01	24.6994339488791
2010-04-01	25.0191017550987
2010-07-01	24.4342478182829
2010-10-01	24.6760108099993
2011-01-01	23.8809423016203
2011-04-01	24.0020724559592
2011-07-01	23.8921276456655
2011-10-01	23.1478232585694
2012-01-01	23.3902733949913
2012-04-01	23.4999458531799
2012-07-01	22.9011366970735
2012-10-01	23.3673872928890
2013-01-01	23.0642847365690
2013-04-01	23.0636646792378
2013-07-01	22.9221252006408
2013-10-01	22.6379184715932
2014-01-01	22.6919908361666
2014-04-01	22.1848731332087
2014-07-01	22.0996753928125
2014-10-01	20.7682913947602
2015-01-01	21.5836253937177
2015-04-01	21.7151254892536
2015-07-01	21.5119214161276
2015-10-01	20.6129703309442
2016-01-01	19.9630866727411
2016-04-01	20.9214952225078
2016-07-01	20.9236912684880
2016-10-01	20.1857933180234
2017-01-01	20.4641913645409
2017-04-01	21.2326486795500
2017-07-01	20.6603655505876
2017-10-01	20.2983743202141
2018-01-01	20.2870915351041
2018-04-01	20.6645300898344