Quarter	Percent, Seasonally Adjusted
1999-01-01	69.6622591421415
1999-04-01	69.3828374575285
1999-07-01	67.6858362990903
1999-10-01	66.4623705390281
2000-01-01	65.6546188150236
2000-04-01	69.3805252797549
2000-07-01	68.5576454066145
2000-10-01	70.2181336220703
2001-01-01	68.0612007315574
2001-04-01	64.4322774806746
2001-07-01	64.1445111552530
2001-10-01	61.3698939858714
2002-01-01	64.8803098856309
2002-04-01	64.6265957676384
2002-07-01	66.8682151721903
2002-10-01	65.7326522056730
2003-01-01	62.5789476367696
2003-04-01	61.1132574237971
2003-07-01	60.3475261150181
2003-10-01	61.9055030579947
2004-01-01	63.8809563859025
2004-04-01	63.6814931035836
2004-07-01	64.5850809409378
2004-10-01	61.6647657803918
2005-01-01	64.9674836048835
2005-04-01	66.6801471930888
2005-07-01	62.0054237185756
2005-10-01	62.1991897918272
2006-01-01	63.0550639850779
2006-04-01	63.1155028163268
2006-07-01	67.7687570004221
2006-10-01	65.9359204205863
2007-01-01	68.2000071843328
2007-04-01	67.7327446438641
2007-07-01	64.6487123159933
2007-10-01	65.5291983154219
2008-01-01	65.7302178031710
2008-04-01	68.5113232932557
2008-07-01	67.1578320048472
2008-10-01	68.2878080418978
2009-01-01	65.6554745990991
2009-04-01	62.6678912636312
2009-07-01	62.3820669750344
2009-10-01	58.2166094947885
2010-01-01	56.3805085901383
2010-04-01	57.8326193986151
2010-07-01	55.6756736795377
2010-10-01	56.8839458864654
2011-01-01	56.9130590830780
2011-04-01	55.8060058793142
2011-07-01	56.4012077446363
2011-10-01	57.1669029534420
2012-01-01	54.1875026216194
2012-04-01	55.5236237140322
2012-07-01	53.9112790645663
2012-10-01	54.9193738752986
2013-01-01	53.4180067896690
2013-04-01	53.2510719320656
2013-07-01	50.6039557358587
2013-10-01	52.0818088227069
2014-01-01	51.3237017124396
2014-04-01	51.8722353690041
2014-07-01	52.8499940678471
2014-10-01	54.5471127454472
2015-01-01	54.1051144467121
2015-04-01	54.3783907509530
2015-07-01	53.7917492945712
2015-10-01	55.9692219028872
2016-01-01	55.6053763776118
2016-04-01	57.2710733195353
2016-07-01	56.9497883291917
2016-10-01	56.2037004918337
2017-01-01	56.1328090945634
2017-04-01	55.9375701910820
2017-07-01	53.7619248119736
2017-10-01	55.5178794176768
2018-01-01	55.4406171719994
2018-04-01	55.7747060746256