Quarter	Percent, Seasonally Adjusted
2001-01-01	29.9802963213629
2001-04-01	30.0380009647478
2001-07-01	29.9008278010910
2001-10-01	29.8736686760904
2002-01-01	29.9177329021325
2002-04-01	30.1336909727222
2002-07-01	30.1174136701935
2002-10-01	30.1090223088097
2003-01-01	30.2084698605718
2003-04-01	30.1417650278772
2003-07-01	30.3380759439606
2003-10-01	30.2873033209338
2004-01-01	30.2469808736314
2004-04-01	30.5291339477078
2004-07-01	30.4262673002886
2004-10-01	30.6806825668046
2005-01-01	30.8881431609874
2005-04-01	28.9883392379371
2005-07-01	29.4826319776154
2005-10-01	29.0935033451043
2006-01-01	29.2511298530892
2006-04-01	29.1488543092525
2006-07-01	28.9925916378039
2006-10-01	29.0885387551801
2007-01-01	28.8674088332159
2007-04-01	28.9468130693282
2007-07-01	28.7283159010863
2007-10-01	28.7283521657876
2008-01-01	28.7046260691422
2008-04-01	28.5407029544045
2008-07-01	28.7539756590255
2008-10-01	28.9461645565320
2009-01-01	29.1692404875889
2009-04-01	29.2017588156665
2009-07-01	29.6040768310767
2009-10-01	29.5084157495079
2010-01-01	29.5796526131551
2010-04-01	29.4986908669744
2010-07-01	29.3352656136368
2010-10-01	29.4542803895823
2011-01-01	29.1160632839168
2011-04-01	29.0436687414042
2011-07-01	29.1056771366715
2011-10-01	28.9915342496879
2012-01-01	29.0879191315914
2012-04-01	28.8985352792917
2012-07-01	28.7896794500604
2012-10-01	28.6910905868374
2013-01-01	28.6095752070358
2013-04-01	28.5645913360545
2013-07-01	28.5095311250474
2013-10-01	28.3099295760194
2014-01-01	28.3072335202364
2014-04-01	28.1425071496102
2014-07-01	27.7359140504921
2014-10-01	27.9949328931276
2015-01-01	27.9143109479335
2015-04-01	28.0662263493618
2015-07-01	28.0530030081222
2015-10-01	27.9597760166814
2016-01-01	27.9115969167007
2016-04-01	27.8369664409424
2016-07-01	28.1279656119407
2016-10-01	27.7513780032558
2017-01-01	27.4172432231895
2017-04-01	27.3905978976051
2017-07-01	27.1037824865762
2017-10-01	27.1940811876138
2018-01-01	27.0846325818073
2018-04-01	27.0378822541503