Quarter	Percent, Seasonally Adjusted
2000-01-01	91.2227531202430
2000-04-01	91.5243750741628
2000-07-01	91.0655741130763
2000-10-01	91.1580403486671
2001-01-01	91.4611027021794
2001-04-01	91.3416437701966
2001-07-01	91.6104877926379
2001-10-01	91.3238271330011
2002-01-01	91.0501578717933
2002-04-01	91.2525914056040
2002-07-01	91.1481726989506
2002-10-01	90.4001134397673
2003-01-01	89.8163543742721
2003-04-01	89.5178985321344
2003-07-01	89.3922872773168
2003-10-01	89.3609525813586
2004-01-01	89.6910875778471
2004-04-01	89.4706658682519
2004-07-01	90.0675948523408
2004-10-01	89.6665124232219
2005-01-01	89.8944491954237
2005-04-01	89.5840917565617
2005-07-01	89.8165240688256
2005-10-01	90.3534780764228
2006-01-01	90.6398103096644
2006-04-01	90.3163192943881
2006-07-01	90.4244148262928
2006-10-01	90.4819158966146
2007-01-01	90.4259837976925
2007-04-01	90.3512232653015
2007-07-01	90.9067268149728
2007-10-01	91.5797607907194
2008-01-01	90.8516885442004
2008-04-01	91.4296469553519
2008-07-01	91.6360346639983
2008-10-01	91.1825593043865
2009-01-01	91.4376578771151
2009-04-01	91.1636198029955
2009-07-01	90.4164346685157
2009-10-01	90.3156156906277
2010-01-01	90.0136896148588
2010-04-01	90.2334488262757
2010-07-01	90.0105570547339
2010-10-01	90.2528119846689
2011-01-01	89.4546451238758
2011-04-01	89.6275472141628
2011-07-01	89.4218211285042
2011-10-01	89.9860732281231
2012-01-01	89.9414040102942
2012-04-01	89.4455048587190
2012-07-01	89.4942666377038
2012-10-01	89.4446303767299
2013-01-01	89.0309524661520
2013-04-01	89.2503096719218
2013-07-01	88.8336463851284
2013-10-01	89.1080826103539
2014-01-01	89.1903785596324
2014-04-01	89.1984299154588
2014-07-01	89.5820801897426
2014-10-01	89.2218884593432
2015-01-01	89.1966617591386
2015-04-01	89.3027405163818
2015-07-01	88.8056732361400
2015-10-01	88.8044970371369
2016-01-01	89.2130185964335
2016-04-01	88.8630001103344
2016-07-01	88.8661155635533
2016-10-01	88.1990676698062
2017-01-01	88.3025045839715
2017-04-01	87.8019512418816
2017-07-01	87.5404628651456
2017-10-01	87.6725196303715
2018-01-01	88.4000627698863
2018-04-01	88.7403932134301