Quarter	Percent, Seasonally Adjusted
2000-01-01	59.7397327738358
2000-04-01	61.6727149733710
2000-07-01	60.0262161164937
2000-10-01	59.9367077023792
2001-01-01	61.1119218110962
2001-04-01	62.8492970452627
2001-07-01	62.4022746318063
2001-10-01	62.4373402141817
2002-01-01	65.3910930998443
2002-04-01	67.5814946960610
2002-07-01	65.4495929089741
2002-10-01	62.4365130468102
2003-01-01	64.1503233493843
2003-04-01	60.5950488485376
2003-07-01	58.0570458308808
2003-10-01	61.5080134881952
2004-01-01	61.9117448973195
2004-04-01	60.5795704539419
2004-07-01	62.8845904395220
2004-10-01	64.7469466353220
2005-01-01	64.1747490946438
2005-04-01	62.0254194924000
2005-07-01	65.7006116600481
2005-10-01	63.3001332374970
2006-01-01	63.6226981404170
2006-04-01	64.0230977928383
2006-07-01	66.5508843613192
2006-10-01	62.9029217319601
2007-01-01	62.1961493048272
2007-04-01	62.1241346201990
2007-07-01	61.4633192983152
2007-10-01	62.5422433001548
2008-01-01	60.1852838441920
2008-04-01	62.6341858805165
2008-07-01	58.9053265281546
2008-10-01	54.8592992977343
2009-01-01	58.6188675391443
2009-04-01	61.5489229048193
2009-07-01	59.6953442907743
2009-10-01	64.0323939037398
2010-01-01	60.6595341672068
2010-04-01	62.4648984784303
2010-07-01	63.3036088459726
2010-10-01	62.5117107152101
2011-01-01	61.7036520813058
2011-04-01	59.6878071295874
2011-07-01	57.8034525665992
2011-10-01	60.6773382149262
2012-01-01	58.0651476736703
2012-04-01	59.3370379209049
2012-07-01	59.0713659075096
2012-10-01	60.4493521628090
2013-01-01	59.6165081751110
2013-04-01	59.9039350307963
2013-07-01	61.6293986108833
2013-10-01	59.6231128385773
2014-01-01	60.6083407143256
2014-04-01	60.2765021580661
2014-07-01	61.5457881412884
2014-10-01	60.7338937284774
2015-01-01	58.9869919129884
2015-04-01	55.6530897211575
2015-07-01	58.4713885340350
2015-10-01	59.9432801550850
2016-01-01	59.9215792546428
2016-04-01	56.6403870569478
2016-07-01	54.3471627349658
2016-10-01	55.8746843100289
2017-01-01	54.6574108677449
2017-04-01	54.3271615195134
2017-07-01	54.5899540892367
2017-10-01	52.0149280171488
2018-01-01	51.1900455434895
2018-04-01	51.0786756080413