Quarter	Percent, Seasonally Adjusted
2000-01-01	41.6080400121124
2000-04-01	40.5077281515371
2000-07-01	40.1690065861842
2000-10-01	39.2633382020616
2001-01-01	39.0165161164315
2001-04-01	40.0666280062563
2001-07-01	39.6924534038548
2001-10-01	39.4473502157506
2002-01-01	39.2529251326912
2002-04-01	38.9950159596087
2002-07-01	38.3755241043806
2002-10-01	38.3243458200212
2003-01-01	39.2138371971276
2003-04-01	39.3563764257065
2003-07-01	39.9246158828682
2003-10-01	40.1844225729257
2004-01-01	39.1399348525242
2004-04-01	39.1277263517654
2004-07-01	38.5775848044321
2004-10-01	39.4148861712576
2005-01-01	39.9366883762067
2005-04-01	40.3194431333979
2005-07-01	41.5955301072151
2005-10-01	41.5589466198956
2006-01-01	41.6334976177805
2006-04-01	41.8432356588519
2006-07-01	43.1105068624195
2006-10-01	43.5970400572388
2007-01-01	43.9419380869785
2007-04-01	44.9225120044812
2007-07-01	44.6514468951426
2007-10-01	45.4526819053555
2008-01-01	46.4007422866047
2008-04-01	46.9557268852950
2008-07-01	46.5278041356061
2008-10-01	47.1436452497046
2009-01-01	47.1024929559978
2009-04-01	46.9385384057202
2009-07-01	48.2403993894265
2009-10-01	47.6452682087117
2010-01-01	48.4300410039768
2010-04-01	48.1902220415652
2010-07-01	48.9532893367256
2010-10-01	50.0510684735744
2011-01-01	50.8072370656329
2011-04-01	51.4983780575569
2011-07-01	51.9001326302950
2011-10-01	52.1374274023572
2012-01-01	52.4154916373391
2012-04-01	53.8297914591856
2012-07-01	53.7561938110137
2012-10-01	54.0917640577724
2013-01-01	55.2604331217157
2013-04-01	55.8727475845490
2013-07-01	56.1416667526750
2013-10-01	56.5052459723924
2014-01-01	56.4389624625927
2014-04-01	57.0720215227975
2014-07-01	57.5493693777457
2014-10-01	57.7113917214588
2015-01-01	57.4131279120203
2015-04-01	56.8115212127947
2015-07-01	57.8674137276436
2015-10-01	58.0921757531986
2016-01-01	58.6202581894325
2016-04-01	58.1995299803437
2016-07-01	58.2381848099820
2016-10-01	59.4687347628014
2017-01-01	60.4997187354005
2017-04-01	60.7726644185880
2017-07-01	61.0040627058040
2017-10-01	60.9136213270630
2018-01-01	60.9544528733842
2018-04-01	61.9222541324690