Quarter	Percent, Seasonally Adjusted
1999-07-01	92.7086317547280
1999-10-01	92.7460682058302
2000-01-01	92.3936509539370
2000-04-01	92.2309976716792
2000-07-01	92.1900242188152
2000-10-01	92.0019337582626
2001-01-01	91.4493766783023
2001-04-01	91.8686471122491
2001-07-01	91.9187913101493
2001-10-01	91.9000150988447
2002-01-01	91.8168923138249
2002-04-01	91.8930532770433
2002-07-01	91.9133076916586
2002-10-01	91.9328611026844
2003-01-01	92.3454419113591
2003-04-01	92.0727126441884
2003-07-01	91.8606696866076
2003-10-01	91.8000049776722
2004-01-01	91.9997796700955
2004-04-01	91.6576205679103
2004-07-01	91.5745747539165
2004-10-01	91.6161704742964
2005-01-01	91.5986099257986
2005-04-01	91.4606598610451
2005-07-01	91.0861240997936
2005-10-01	91.0116805741182
2006-01-01	90.9302939880439
2006-04-01	90.8745112665038
2006-07-01	90.9006381659937
2006-10-01	90.6984383985872
2007-01-01	90.4967591507580
2007-04-01	90.5424445499180
2007-07-01	90.4875282195622
2007-10-01	90.4472063131708
2008-01-01	90.3848004671725
2008-04-01	90.3545881571252
2008-07-01	90.4559529789625
2008-10-01	90.4407353545973
2009-01-01	90.0662736573991
2009-04-01	90.1686842764473
2009-07-01	89.7275665846294
2009-10-01	89.7667362473939
2010-01-01	90.1462524961778
2010-04-01	90.2258628244902
2010-07-01	90.2667396290639
2010-10-01	90.2558302080657
2011-01-01	90.3939476898501
2011-04-01	90.4196811483017
2011-07-01	90.4783499308261
2011-10-01	90.6565506696258
2012-01-01	90.6610721032998
2012-04-01	90.7366587666644
2012-07-01	90.7573716971291
2012-10-01	90.6610143806242
2013-01-01	90.5146931245012
2013-04-01	90.6917000983394
2013-07-01	90.7628944290827
2013-10-01	91.0511071912556
2014-01-01	91.3789841468568
2014-04-01	91.3152577658677
2014-07-01	91.4468058739873
2014-10-01	91.4638116328801
2015-01-01	91.1290123640761
2015-04-01	91.1711921813374
2015-07-01	91.1886174166649
2015-10-01	91.1113752177966
2016-01-01	91.3053321535136
2016-04-01	91.0407016374826
2016-07-01	91.2754878153980
2016-10-01	90.9942245432225
2017-01-01	91.0711796748142
2017-04-01	90.9959645288336
2017-07-01	91.0040623129956
2017-10-01	90.9083837820749
2018-01-01	90.8822776285249
2018-04-01	90.7972957506408
2018-07-01	90.5195936786888