Quarter	Percent, Seasonally Adjusted
1998-01-01	26.2059878928668
1998-04-01	26.1897302313286
1998-07-01	26.4502058147503
1998-10-01	26.4305188563589
1999-01-01	26.6391872373916
1999-04-01	26.4736664870257
1999-07-01	26.5547099171469
1999-10-01	26.5840256376109
2000-01-01	26.3795540356541
2000-04-01	26.5504153476304
2000-07-01	26.1646240493497
2000-10-01	26.1862184075292
2001-01-01	25.9577735064007
2001-04-01	25.9604888378934
2001-07-01	25.6727833730059
2001-10-01	25.6634310757355
2002-01-01	25.4464255136472
2002-04-01	25.4960365433572
2002-07-01	25.5490926524423
2002-10-01	25.8862786318700
2003-01-01	25.9234581860966
2003-04-01	26.1493927271036
2003-07-01	25.9885780647078
2003-10-01	26.1615913910151
2004-01-01	26.4179898535442
2004-04-01	26.5412130218832
2004-07-01	26.7914320627655
2004-10-01	26.8504837319363
2005-01-01	26.9277836551535
2005-04-01	26.8575625148201
2005-07-01	26.7970466155162
2005-10-01	26.6116013280170
2006-01-01	26.5925189853436
2006-04-01	26.3648662503088
2006-07-01	26.4436750051862
2006-10-01	26.4593276539543
2007-01-01	26.3941415472367
2007-04-01	26.7319153511653
2007-07-01	26.3125850317346
2007-10-01	26.6082669935152
2008-01-01	26.4000986613399
2008-04-01	26.5017864018617
2008-07-01	26.7673747935487
2008-10-01	26.8315548062605
2009-01-01	27.4559686152828
2009-04-01	27.3663762101795
2009-07-01	27.9824876584934
2009-10-01	28.0628345678411
2010-01-01	27.9701197304966
2010-04-01	28.3403830338937
2010-07-01	28.1967901371791
2010-10-01	28.2001853428460
2011-01-01	27.9237710635202
2011-04-01	27.9956491927862
2011-07-01	27.7984407235702
2011-10-01	28.4861968477327
2012-01-01	28.5338514994373
2012-04-01	28.5911117989046
2012-07-01	28.5852516828519
2012-10-01	29.2616480905168
2013-01-01	29.5296832734010
2013-04-01	29.7768803998556
2013-07-01	29.8632468890765
2013-10-01	29.8291949088938
2014-01-01	30.0382235600833
2014-04-01	29.9163311408104
2014-07-01	30.1918211739571
2014-10-01	30.3605660591571
2015-01-01	30.4789800589413
2015-04-01	30.4074459281229
2015-07-01	30.6488822161998
2015-10-01	30.0025527625474
2016-01-01	30.4968986093987
2016-04-01	30.1172866354947
2016-07-01	29.8338853177591
2016-10-01	30.0478007944841
2017-01-01	29.7740382102209
2017-04-01	29.5911625881343
2017-07-01	29.5311515901242
2017-10-01	29.3980028774084
2018-01-01	29.5361650581105
2018-04-01	29.7221181999817