Quarter	Percent, Seasonally Adjusted
1999-01-01	93.6781508146944
1999-04-01	93.2360363698131
1999-07-01	93.8065699479081
1999-10-01	93.8838511605976
2000-01-01	93.9900962716026
2000-04-01	94.0046389857533
2000-07-01	93.7932720339866
2000-10-01	93.6969147318649
2001-01-01	93.9941470755687
2001-04-01	94.0686436943530
2001-07-01	93.8696676075810
2001-10-01	94.0282433620682
2002-01-01	93.5922744843521
2002-04-01	93.0864964689048
2002-07-01	93.2982842677802
2002-10-01	93.5951611459093
2003-01-01	93.8906902371477
2003-04-01	94.2704341036573
2003-07-01	94.2439713766383
2003-10-01	94.1579923973409
2004-01-01	93.6918157796144
2004-04-01	93.9641446679098
2004-07-01	93.7109542203528
2004-10-01	93.7434557183852
2005-01-01	93.7126705211891
2005-04-01	93.7940488554390
2005-07-01	93.7671880135536
2005-10-01	94.0242908157100
2006-01-01	94.1352398917071
2006-04-01	94.1492631521613
2006-07-01	93.8810577807652
2006-10-01	93.7680769181762
2007-01-01	93.2659260969141
2007-04-01	93.0006657228418
2007-07-01	93.1674887648388
2007-10-01	92.9362206338142
2008-01-01	92.8414453387677
2008-04-01	93.3640245022550
2008-07-01	93.4976390741692
2008-10-01	93.7662112788411
2009-01-01	93.6950798956649
2009-04-01	93.6694150699131
2009-07-01	93.5208836284670
2009-10-01	93.3215802811502
2010-01-01	92.9425751554718
2010-04-01	92.8512862936056
2010-07-01	92.8158841560861
2010-10-01	93.0769187642272
2011-01-01	93.1540903521596
2011-04-01	93.2700219179824
2011-07-01	93.5831745001100
2011-10-01	93.8878890900429
2012-01-01	94.1175009334414
2012-04-01	93.8106449244653
2012-07-01	93.7570212194116
2012-10-01	93.3253236958836
2013-01-01	93.9956387199580
2013-04-01	93.5804933717472
2013-07-01	93.3625126674174
2013-10-01	93.6267096943126
2014-01-01	93.8531099834008
2014-04-01	93.8798174952928
2014-07-01	94.2077124584050
2014-10-01	94.1711013591500
2015-01-01	93.6569388752348
2015-04-01	93.7578819218173
2015-07-01	93.5138498072126
2015-10-01	93.4663948776682
2016-01-01	93.4195591116190
2016-04-01	93.6229430765936
2016-07-01	93.6200775151520
2016-10-01	93.3869510257894
2017-01-01	93.4249134127752
2017-04-01	93.3465712404664
2017-07-01	93.1659565340003
2017-10-01	92.5519704359800
2018-01-01	92.9798333649256
2018-04-01	93.1496840226867