Quarter	Percent, Seasonally Adjusted
2000-01-01	85.1669947966195
2000-04-01	85.4850886962275
2000-07-01	85.4442107954397
2000-10-01	85.2289502012540
2001-01-01	85.1356474681211
2001-04-01	85.1809758521738
2001-07-01	85.1849331817175
2001-10-01	85.0962284757942
2002-01-01	84.8945985707820
2002-04-01	85.0937472887860
2002-07-01	84.6601736395823
2002-10-01	83.9226911303001
2003-01-01	83.1345119905458
2003-04-01	83.0520550435090
2003-07-01	83.1688371254906
2003-10-01	82.7695035176023
2004-01-01	82.8259702243583
2004-04-01	83.0663110721450
2004-07-01	83.4187238277251
2004-10-01	83.2008989415254
2005-01-01	83.1467635963727
2005-04-01	82.8849841801124
2005-07-01	83.2876966325891
2005-10-01	83.6596092204479
2006-01-01	84.1252945957358
2006-04-01	84.1750093205645
2006-07-01	84.3810672739962
2006-10-01	84.8325876442476
2007-01-01	85.3358759972483
2007-04-01	85.3793130377247
2007-07-01	85.7414352750260
2007-10-01	86.5234198909193
2008-01-01	86.3751712097684
2008-04-01	86.7772300094330
2008-07-01	87.1383438476497
2008-10-01	86.7358361603723
2009-01-01	86.7470729000470
2009-04-01	86.2870197758438
2009-07-01	85.4803389809378
2009-10-01	85.3191900907664
2010-01-01	84.8029001585589
2010-04-01	84.8039541960020
2010-07-01	84.6430281938998
2010-10-01	84.5502148459368
2011-01-01	84.7128024764555
2011-04-01	84.7075012780726
2011-07-01	84.4976426925166
2011-10-01	84.7490186000390
2012-01-01	84.7580728625534
2012-04-01	84.8808847954818
2012-07-01	84.5729654998892
2012-10-01	84.2233829545680
2013-01-01	83.9697218424065
2013-04-01	83.9758483250213
2013-07-01	84.2734728320149
2013-10-01	84.1600912585255
2014-01-01	83.8971337323677
2014-04-01	84.3856823246330
2014-07-01	84.0770042444676
2014-10-01	83.2771049665179
2015-01-01	83.2036359819775
2015-04-01	83.2297724645309
2015-07-01	83.1568844401773
2015-10-01	82.6640543249451
2016-01-01	82.9293874374131
2016-04-01	82.6705205716449
2016-07-01	82.7658932859049
2016-10-01	82.2622593836689
2017-01-01	82.4281555673790
2017-04-01	82.4964630905334
2017-07-01	82.5079909509884
2017-10-01	82.3540541875530
2018-01-01	82.9515569860871
2018-04-01	83.3271321120355