Quarter	Percent, Seasonally Adjusted
2005-01-01	83.5344581480326
2005-04-01	83.6420900683934
2005-07-01	83.6157954555302
2005-10-01	83.8348883608022
2006-01-01	84.0440212868697
2006-04-01	84.1302314038752
2006-07-01	84.1791359064419
2006-10-01	84.1983404514276
2007-01-01	84.0992944836251
2007-04-01	84.1412218838629
2007-07-01	84.3764916538686
2007-10-01	84.4180758073182
2008-01-01	84.5076940000954
2008-04-01	84.5572043075214
2008-07-01	84.6643119548844
2008-10-01	84.6885204819736
2009-01-01	84.6982234536274
2009-04-01	84.6523714017806
2009-07-01	84.6975054301923
2009-10-01	84.7347650245519
2010-01-01	84.8979701255330
2010-04-01	85.0478909223436
2010-07-01	84.9812473229384
2010-10-01	85.0106157222189
2011-01-01	84.9637862973896
2011-04-01	84.9557177172271
2011-07-01	84.9786396179079
2011-10-01	85.1435512770773
2012-01-01	85.3127064527071
2012-04-01	85.3463323075548
2012-07-01	85.3971931110500
2012-10-01	85.4706492853638
2013-01-01	85.3898223768372
2013-04-01	85.4347680524716
2013-07-01	85.3502070070275
2013-10-01	85.3582749558037
2014-01-01	85.4829531705780
2014-04-01	85.4055730006274
2014-07-01	85.4701541730460
2014-10-01	85.5336987315082
2015-01-01	85.4190229702401
2015-04-01	85.4452488032779
2015-07-01	85.3909870897193
2015-10-01	85.4841883932781
2016-01-01	85.4186903316931
2016-04-01	85.4782008200587
2016-07-01	85.5491234630726
2016-10-01	85.5052368324189
2017-01-01	85.5471785982218
2017-04-01	85.6977962115928
2017-07-01	85.7597139583307
2017-10-01	85.6994746465221
2018-01-01	85.8059096137193
2018-04-01	85.9311438757824