Quarter	Percent, Seasonally Adjusted
2003-01-01	58.6564095742644
2003-04-01	58.4098129219990
2003-07-01	58.3751435534978
2003-10-01	58.2089795522108
2004-01-01	58.2475295474057
2004-04-01	57.9969443237760
2004-07-01	57.9724499473486
2004-10-01	57.7745655915036
2005-01-01	57.7093067817601
2005-04-01	57.7810836180200
2005-07-01	57.6944768627456
2005-10-01	57.5646400332530
2006-01-01	57.3641954717767
2006-04-01	57.4208415844955
2006-07-01	57.6514083899597
2006-10-01	57.2415427925165
2007-01-01	57.4511821021928
2007-04-01	57.5726990286347
2007-07-01	57.7548528298405
2007-10-01	57.8267786232484
2008-01-01	57.9567455731369
2008-04-01	57.9995626778846
2008-07-01	57.9322223482490
2008-10-01	57.9416237268076
2009-01-01	57.2925854152833
2009-04-01	56.9020515585423
2009-07-01	56.5751139146124
2009-10-01	56.4472331271627
2010-01-01	56.6077296368954
2010-04-01	56.6065790929110
2010-07-01	56.6130691011433
2010-10-01	56.7451286994720
2011-01-01	56.5664464851590
2011-04-01	56.5031645079379
2011-07-01	56.3897089013411
2011-10-01	56.1169292289976
2012-01-01	56.0029412033183
2012-04-01	56.0447897211961
2012-07-01	56.0234946675831
2012-10-01	55.9800035889322
2013-01-01	55.4547973171311
2013-04-01	55.4724701022953
2013-07-01	55.4370947764741
2013-10-01	55.2054912135430
2014-01-01	54.7372787857317
2014-04-01	54.5967770246161
2014-07-01	54.4258402494577
2014-10-01	54.5076403667220
2015-01-01	54.3962979922293
2015-04-01	54.3076241692649
2015-07-01	54.2131121225533
2015-10-01	54.3693671941606
2016-01-01	54.3807689930544
2016-04-01	54.4440730530853
2016-07-01	54.4097702770749
2016-10-01	54.4707360266434
2017-01-01	54.4758499274444
2017-04-01	54.8489233098843
2017-07-01	54.7541143556811
2017-10-01	55.1010572396987
2018-01-01	55.0209457906782
2018-04-01	54.8548267671505