Quarter	Percent, Seasonally Adjusted
1999-07-01	86.7168283447873
1999-10-01	87.6702970646831
2000-01-01	87.8056651066892
2000-04-01	88.1306450142117
2000-07-01	88.2026440084490
2000-10-01	87.9563449386006
2001-01-01	87.0208835701699
2001-04-01	88.0891996099546
2001-07-01	88.3405432451903
2001-10-01	88.4744125844461
2002-01-01	88.5534410582096
2002-04-01	88.6971085689701
2002-07-01	88.8877700587962
2002-10-01	88.8015139857999
2003-01-01	89.3569943078913
2003-04-01	88.9234975371738
2003-07-01	88.6286447240944
2003-10-01	88.5173184534898
2004-01-01	88.9312067918042
2004-04-01	88.5407782434925
2004-07-01	88.1986440712596
2004-10-01	88.1158595806731
2005-01-01	88.1369587387316
2005-04-01	88.1421092358356
2005-07-01	87.6580822111235
2005-10-01	87.6544423032816
2006-01-01	87.6764123123262
2006-04-01	87.5439807861378
2006-07-01	87.5701905859089
2006-10-01	87.3707467065024
2007-01-01	87.2126408992289
2007-04-01	87.2216460745540
2007-07-01	87.3267350356491
2007-10-01	87.3157304557523
2008-01-01	87.3870569404258
2008-04-01	87.2845539905664
2008-07-01	87.3232622705403
2008-10-01	87.0866600122072
2009-01-01	86.5080386313254
2009-04-01	86.3866780222836
2009-07-01	85.9048186889671
2009-10-01	86.2135282875859
2010-01-01	86.5351288025149
2010-04-01	86.8655892505714
2010-07-01	86.8358531749787
2010-10-01	86.8701027349504
2011-01-01	87.1295017561734
2011-04-01	87.3786094876894
2011-07-01	87.5592270801847
2011-10-01	87.7044762522309
2012-01-01	87.6763479980521
2012-04-01	87.8047131745607
2012-07-01	88.0118109824464
2012-10-01	87.8065157585933
2013-01-01	87.6162330205395
2013-04-01	87.8886960312282
2013-07-01	87.8510359146560
2013-10-01	88.1969850102945
2014-01-01	88.5260672705664
2014-04-01	88.2823920983349
2014-07-01	88.4400707932348
2014-10-01	88.3442543537479
2015-01-01	88.2400838124220
2015-04-01	88.1135421433252
2015-07-01	88.1574841880543
2015-10-01	88.1049169597234
2016-01-01	88.0266082363826
2016-04-01	87.8654307681638
2016-07-01	87.9708033234613
2016-10-01	87.8841906907630
2017-01-01	87.7942230741269
2017-04-01	87.6248337658933
2017-07-01	87.7063309969366
2017-10-01	87.5759408561459
2018-01-01	87.7332612352186
2018-04-01	87.2317649547123
2018-07-01	86.9267543770417