Quarter	Percent, Seasonally Adjusted
2005-01-01	55.2143518916045
2005-04-01	54.9336913004850
2005-07-01	54.7283758305931
2005-10-01	54.2471703092660
2006-01-01	54.1315543557761
2006-04-01	53.9645329032139
2006-07-01	53.3849495645504
2006-10-01	53.3266564451359
2007-01-01	53.3292979796022
2007-04-01	52.9413719518484
2007-07-01	52.9124362348501
2007-10-01	52.6929141086262
2008-01-01	52.6066441339265
2008-04-01	52.1852104624345
2008-07-01	51.9835569599411
2008-10-01	51.7198595011990
2009-01-01	51.3578706633299
2009-04-01	50.9522388447244
2009-07-01	51.1534722626361
2009-10-01	50.9005992801026
2010-01-01	50.5985862591547
2010-04-01	50.6206133704428
2010-07-01	50.2991757954259
2010-10-01	50.2061902803587
2011-01-01	49.7309194435809
2011-04-01	49.5073437768673
2011-07-01	49.3131972222625
2011-10-01	48.8691664203992
2012-01-01	48.3211384976241
2012-04-01	47.6768551288007
2012-07-01	47.1769107695553
2012-10-01	46.7993224620174
2013-01-01	46.4763058110538
2013-04-01	46.0540071896674
2013-07-01	45.3944032212664
2013-10-01	44.9957591027227
2014-01-01	44.6218594476057
2014-04-01	44.3983935883915
2014-07-01	43.9519449129874
2014-10-01	43.4523207622070
2015-01-01	43.3367465055223
2015-04-01	42.9861951617414
2015-07-01	42.5023929650218
2015-10-01	42.0895494559374
2016-01-01	41.4515068106524
2016-04-01	41.0532608802048
2016-07-01	40.7809687500858
2016-10-01	40.4350609138875
2017-01-01	40.0540967759808
2017-04-01	39.4948119107853
2017-07-01	39.2488138441951
2017-10-01	38.8641854610829
2018-01-01	38.4812932496492
2018-04-01	38.3166407628785