Quarter	Percent, Seasonally Adjusted
2005-01-01	55.4548758576588
2005-04-01	55.5523216300423
2005-07-01	56.1042010849586
2005-10-01	56.4198950314873
2006-01-01	56.5689476279014
2006-04-01	56.5640064925491
2006-07-01	56.4801849909712
2006-10-01	56.6498522889367
2007-01-01	57.3822338351456
2007-04-01	58.0679609504192
2007-07-01	58.5016503297699
2007-10-01	57.8028810722056
2008-01-01	57.6286265672793
2008-04-01	57.6344520300924
2008-07-01	57.5376089540297
2008-10-01	57.0555557226677
2009-01-01	54.6961477119490
2009-04-01	53.7031026217053
2009-07-01	53.2487378433519
2009-10-01	52.1272254415998
2010-01-01	51.1691975498756
2010-04-01	50.8228831542365
2010-07-01	51.3264138289427
2010-10-01	52.1323840793815
2011-01-01	53.0152353526475
2011-04-01	53.8353608301686
2011-07-01	53.7673043167846
2011-10-01	54.3935640768012
2012-01-01	54.8015717905463
2012-04-01	55.5501108498370
2012-07-01	56.0961972044551
2012-10-01	55.8209861155172
2013-01-01	56.2354164364930
2013-04-01	56.9573181142303
2013-07-01	57.0761254496003
2013-10-01	57.6517105154738
2014-01-01	57.9814450097885
2014-04-01	58.2949351854575
2014-07-01	59.5412046092477
2014-10-01	59.2658090817430
2015-01-01	59.4600373330278
2015-04-01	60.0255844155627
2015-07-01	60.3956274221906
2015-10-01	60.9771669122682
2016-01-01	61.7026228206239
2016-04-01	62.2826866976245
2016-07-01	62.3858556917007
2016-10-01	62.6615488956193
2017-01-01	62.7385405567699
2017-04-01	63.3084621585489
2017-07-01	63.2758117502868
2017-10-01	63.6445157377604
2018-01-01	63.9723706784978
2018-04-01	64.5301078745487