Quarter	Percent, Seasonally Adjusted
2001-01-01	70.0197036786372
2001-04-01	69.9619990352522
2001-07-01	70.0991721989090
2001-10-01	70.1263313239096
2002-01-01	70.0822670978676
2002-04-01	69.8663090272778
2002-07-01	69.8825863298064
2002-10-01	69.8909776911903
2003-01-01	69.7915301394282
2003-04-01	69.8582349721228
2003-07-01	69.6619240560395
2003-10-01	69.7126966790662
2004-01-01	69.7530191263686
2004-04-01	69.4708660522922
2004-07-01	69.5737326997114
2004-10-01	69.3193174331954
2005-01-01	69.1118568390126
2005-04-01	71.0116607620629
2005-07-01	70.5173680223846
2005-10-01	70.9064966548958
2006-01-01	70.7488701469108
2006-04-01	70.8511456907475
2006-07-01	71.0074083621961
2006-10-01	70.9114612448199
2007-01-01	71.1325911667841
2007-04-01	71.0531869306718
2007-07-01	71.2716840989137
2007-10-01	71.2716478342124
2008-01-01	71.2953739308578
2008-04-01	71.4592970455955
2008-07-01	71.2460243409745
2008-10-01	71.0538354434680
2009-01-01	70.8307595124111
2009-04-01	70.7982411843335
2009-07-01	70.3959231689233
2009-10-01	70.4915842504921
2010-01-01	70.4203473868449
2010-04-01	70.5013091330256
2010-07-01	70.6647343863632
2010-10-01	70.5457196104176
2011-01-01	70.8839367160832
2011-04-01	70.9563312585958
2011-07-01	70.8943228633286
2011-10-01	71.0084657503121
2012-01-01	70.9120808684086
2012-04-01	71.1014647207083
2012-07-01	71.2103205499396
2012-10-01	71.3089094131626
2013-01-01	71.3904247929642
2013-04-01	71.4354086639455
2013-07-01	71.4904688749526
2013-10-01	71.6900704239806
2014-01-01	71.6927664797636
2014-04-01	71.8574928503898
2014-07-01	72.2640859495079
2014-10-01	72.0050671068724
2015-01-01	72.0856890520666
2015-04-01	71.9337736506382
2015-07-01	71.9469969918778
2015-10-01	72.0402239833186
2016-01-01	72.0884030832993
2016-04-01	72.1630335590576
2016-07-01	71.8720343880593
2016-10-01	72.2486219967442
2017-01-01	72.5827567768105
2017-04-01	72.6094021023949
2017-07-01	72.8962175134238
2017-10-01	72.8059188123861
2018-01-01	72.9153674181927
2018-04-01	72.9621177458497