Quarter	Percent, Seasonally Adjusted
2000-01-01	77.5922381285973
2000-04-01	77.7379291271561
2000-07-01	77.3700709125000
2000-10-01	77.4632539246616
2001-01-01	77.5800886207278
2001-04-01	77.6130815783226
2001-07-01	77.4192118441464
2001-10-01	77.2933999338730
2002-01-01	77.2724941081890
2002-04-01	77.2223157111632
2002-07-01	77.0592305422326
2002-10-01	76.6147595854151
2003-01-01	76.3216588858121
2003-04-01	76.0579281705113
2003-07-01	75.9601602239221
2003-10-01	75.8878092984264
2004-01-01	75.9041624255227
2004-04-01	75.6525702731793
2004-07-01	76.1094382726486
2004-10-01	75.9126817691047
2005-01-01	75.7742462370036
2005-04-01	75.7143419212965
2005-07-01	75.8220614850882
2005-10-01	75.9754930733591
2006-01-01	75.5112120122039
2006-04-01	75.3282229673663
2006-07-01	75.4040486205468
2006-10-01	75.3728190294696
2007-01-01	75.5208150256170
2007-04-01	75.5138752774460
2007-07-01	75.8337444826998
2007-10-01	76.4410446698917
2008-01-01	76.7916327448173
2008-04-01	77.1539470988694
2008-07-01	77.1144540191088
2008-10-01	76.4525229526588
2009-01-01	76.0257619952532
2009-04-01	75.9229903525059
2009-07-01	75.0869527986657
2009-10-01	74.8850980821650
2010-01-01	74.9987040167681
2010-04-01	75.1371475109015
2010-07-01	74.5940091024539
2010-10-01	74.7476179888078
2011-01-01	73.5892780481784
2011-04-01	73.5673832888118
2011-07-01	74.1589580341646
2011-10-01	74.4681584140467
2012-01-01	74.6668665530397
2012-04-01	74.3770170108239
2012-07-01	74.0360364523540
2012-10-01	74.0521439537826
2013-01-01	73.7864210236226
2013-04-01	73.8277668510993
2013-07-01	73.7459402651846
2013-10-01	73.5515591355854
2014-01-01	73.3675217469636
2014-04-01	73.4117684385341
2014-07-01	73.4792325864976
2014-10-01	73.6446722556292
2015-01-01	73.7954057032967
2015-04-01	73.8510699072089
2015-07-01	73.8091740302642
2015-10-01	73.5115606647250
2016-01-01	73.7258472059999
2016-04-01	73.3411225924750
2016-07-01	73.2962927717076
2016-10-01	72.7179498458902
2017-01-01	72.5765220723847
2017-04-01	72.1893283467936
2017-07-01	72.1016737953898
2017-10-01	72.2761952836353
2018-01-01	72.4070220646458
2018-04-01	72.6963491324372