Quarter	Percent, Seasonally Adjusted
2000-01-01	81.4411271624281
2000-04-01	81.6627612106700
2000-07-01	81.8780705769178
2000-10-01	81.4306747643743
2001-01-01	81.0696028640352
2001-04-01	81.2939293704380
2001-07-01	81.0305546595578
2001-10-01	81.2008197622460
2002-01-01	81.1552819206418
2002-04-01	81.3475893600947
2002-07-01	80.7360305587389
2002-10-01	80.1193971384960
2003-01-01	79.2714794478454
2003-04-01	79.7842545070100
2003-07-01	80.2578060606805
2003-10-01	79.5006012040651
2004-01-01	79.2262047081717
2004-04-01	79.8276606099479
2004-07-01	80.0343398509974
2004-10-01	80.1576751482731
2005-01-01	79.7585918678504
2005-04-01	79.5576815752460
2005-07-01	80.2220452538774
2005-10-01	80.2045058544607
2006-01-01	80.6495424002316
2006-04-01	80.9470059424862
2006-07-01	80.8736291824234
2006-10-01	81.3134584253740
2007-01-01	82.0419448732647
2007-04-01	81.9486673345353
2007-07-01	82.0756933833598
2007-10-01	83.0031169840886
2008-01-01	83.4260060762598
2008-04-01	83.7767625664469
2008-07-01	84.3944551548056
2008-10-01	84.2138599953790
2009-01-01	84.2375020762906
2009-04-01	83.7385184521778
2009-07-01	83.0302862008646
2009-10-01	83.0096957849330
2010-01-01	82.4931305379313
2010-04-01	82.4037390442866
2010-07-01	82.2772213171009
2010-10-01	81.6029782531309
2011-01-01	82.5144259512562
2011-04-01	82.2140695584889
2011-07-01	81.9056955508051
2011-10-01	82.0249115373422
2012-01-01	82.1528516999754
2012-04-01	82.8497893829258
2012-07-01	82.1101537939699
2012-10-01	81.3775400015443
2013-01-01	81.2712533343242
2013-04-01	81.0682569511716
2013-07-01	82.1186550811791
2013-10-01	81.7223145495884
2014-01-01	81.1719729326481
2014-04-01	82.1361768080505
2014-07-01	81.2382527111360
2014-10-01	81.2085199634662
2015-01-01	80.3642646974984
2015-04-01	80.6816324840368
2015-07-01	81.3352711633997
2015-10-01	80.4395898863661
2016-01-01	80.8583558489944
2016-04-01	80.8938483305100
2016-07-01	80.9600933677440
2016-10-01	80.3419398980993
2017-01-01	80.2201316563048
2017-04-01	80.5853244825744
2017-07-01	80.7174727608518
2017-10-01	80.2903104573650
2018-01-01	80.6467386150948
2018-04-01	80.8330558999859