Quarter	Percent, Seasonally Adjusted
1998-01-01	94.3032595865079
1998-04-01	94.3937259031535
1998-07-01	94.4416570264464
1998-10-01	94.4454274252230
1999-01-01	94.7566983334167
1999-04-01	94.5756321817143
1999-07-01	94.4499036179604
1999-10-01	94.3549833264297
2000-01-01	94.4010935082936
2000-04-01	94.4490550860018
2000-07-01	94.3054302128715
2000-10-01	94.3224523199786
2001-01-01	94.1179060700932
2001-04-01	94.0752081251422
2001-07-01	94.0328460337891
2001-10-01	94.1645622762876
2002-01-01	93.8587315415923
2002-04-01	94.1678224341453
2002-07-01	94.1223643795687
2002-10-01	94.2730484797223
2003-01-01	94.4240736895763
2003-04-01	94.1372453564997
2003-07-01	94.3301571479657
2003-10-01	94.3703186920632
2004-01-01	94.5578631263982
2004-04-01	94.6593164696692
2004-07-01	94.6405401948544
2004-10-01	94.5582628852630
2005-01-01	94.5994395815139
2005-04-01	94.6548190846294
2005-07-01	94.5491489800001
2005-10-01	94.6736134847480
2006-01-01	94.7316119038211
2006-04-01	94.5121407681156
2006-07-01	94.7145167678746
2006-10-01	94.9298497885268
2007-01-01	94.6464849652514
2007-04-01	94.4049547661895
2007-07-01	94.5693931408180
2007-10-01	94.6697624541838
2008-01-01	94.7248130173353
2008-04-01	94.6122154472802
2008-07-01	94.1150964918184
2008-10-01	94.0602556887869
2009-01-01	94.2776491298754
2009-04-01	94.3711524126964
2009-07-01	94.5739656037618
2009-10-01	94.4293854562969
2010-01-01	94.5392924734493
2010-04-01	94.3182465614049
2010-07-01	93.9849654395112
2010-10-01	93.9431556228533
2011-01-01	93.6239537097604
2011-04-01	93.5404692516203
2011-07-01	93.5663035933144
2011-10-01	93.3371160574542
2012-01-01	93.5343825611918
2012-04-01	93.5117419373642
2012-07-01	93.5636238913518
2012-10-01	93.7448182500234
2013-01-01	93.5949136623836
2013-04-01	93.6652288259162
2013-07-01	93.4943622516668
2013-10-01	93.5108349371734
2014-01-01	93.5319313985315
2014-04-01	93.1658833297618
2014-07-01	93.0682460147346
2014-10-01	92.7926180097722
2015-01-01	92.6026113440236
2015-04-01	92.8899637271009
2015-07-01	93.4082519403414
2015-10-01	93.4486714511176
2016-01-01	93.1641631598874
2016-04-01	93.4136011918788
2016-07-01	93.2660704730569
2016-10-01	92.8590824945912
2017-01-01	92.9180849433397
2017-04-01	93.0182278917140
2017-07-01	93.1101137713571
2017-10-01	92.9844701826900
2018-01-01	93.0345957424594
2018-04-01	93.2279618164578