Quarter	Percent, Seasonally Adjusted
2000-01-01	69.5757893064529
2000-04-01	70.7482416659044
2000-07-01	71.4184842290014
2000-10-01	71.6117325221829
2001-01-01	72.0952588222699
2001-04-01	72.5421682383215
2001-07-01	72.5248020434767
2001-10-01	72.9094417259656
2002-01-01	73.2719339030399
2002-04-01	73.4326698417887
2002-07-01	73.6369191998018
2002-10-01	74.1252039742692
2003-01-01	74.7128615260065
2003-04-01	73.9676201740914
2003-07-01	74.5114018970074
2003-10-01	74.3551057829231
2004-01-01	74.2692637379649
2004-04-01	74.4961807226973
2004-07-01	74.8935809122319
2004-10-01	74.8990009856954
2005-01-01	74.9218962497734
2005-04-01	75.2682986485018
2005-07-01	75.4853284506948
2005-10-01	76.1423940063804
2006-01-01	76.6240270380229
2006-04-01	76.7776063825398
2006-07-01	77.1656790041752
2006-10-01	77.3991970745945
2007-01-01	77.9057339778259
2007-04-01	78.6734929355485
2007-07-01	78.9045424514839
2007-10-01	79.3520624100818
2008-01-01	79.9018139540174
2008-04-01	80.3633162958438
2008-07-01	80.7356718823936
2008-10-01	81.0710927846368
2009-01-01	81.3912502759556
2009-04-01	80.5660438460217
2009-07-01	80.4196918128518
2009-10-01	80.3126729570172
2010-01-01	79.2068807657254
2010-04-01	79.3054219903434
2010-07-01	79.2772139495790
2010-10-01	79.4963669104859
2011-01-01	78.5282738694069
2011-04-01	78.1541660290882
2011-07-01	77.6202103238925
2011-10-01	78.0012048683392
2012-01-01	78.0706674496455
2012-04-01	78.0817949811475
2012-07-01	78.2471108100454
2012-10-01	77.9286670660702
2013-01-01	78.0201802129319
2013-04-01	77.5164333555984
2013-07-01	77.3083265998534
2013-10-01	77.0188559408573
2014-01-01	76.5920609637361
2014-04-01	76.3655920767792
2014-07-01	76.3909284786209
2014-10-01	76.6843598593830
2015-01-01	77.0108846045314
2015-04-01	76.9655812925481
2015-07-01	76.9814066671960
2015-10-01	76.8781858271811
2016-01-01	77.1117865464053
2016-04-01	77.6099137565518
2016-07-01	78.0108048589035
2016-10-01	78.2643375308146
2017-01-01	78.4926109434599
2017-04-01	78.5417858260657
2017-07-01	78.7124760419353
2017-10-01	78.6219901474482
2018-01-01	78.9477075624416
2018-04-01	79.5982677824238