Quarter	Percent, Seasonally Adjusted
2001-01-01	85.6226017251948
2001-04-01	85.1099053795074
2001-07-01	85.5453963800288
2001-10-01	85.6976092419959
2002-01-01	85.6810820280044
2002-04-01	85.4223125314355
2002-07-01	85.5949587871394
2002-10-01	85.2969669591724
2003-01-01	85.5717793678135
2003-04-01	85.4269627039844
2003-07-01	85.2854135755434
2003-10-01	85.3588919591558
2004-01-01	85.3665133648133
2004-04-01	85.3284377887312
2004-07-01	85.4337656944663
2004-10-01	84.9402885554310
2005-01-01	84.6963455229789
2005-04-01	86.1732373731447
2005-07-01	86.1048134960955
2005-10-01	86.5107314795214
2006-01-01	86.2484158149261
2006-04-01	86.0724378443162
2006-07-01	86.3960689253583
2006-10-01	86.3345620488225
2007-01-01	86.7926138388952
2007-04-01	87.0545750653936
2007-07-01	87.0397622113422
2007-10-01	87.5081359120324
2008-01-01	87.5642351446674
2008-04-01	87.4845342617513
2008-07-01	87.6102909339001
2008-10-01	87.5724018374246
2009-01-01	87.5034040646755
2009-04-01	87.1813540967782
2009-07-01	87.1172973422827
2009-10-01	86.7519949400674
2010-01-01	86.4343352652493
2010-04-01	86.7027577889672
2010-07-01	86.7120545062719
2010-10-01	86.6931695733059
2011-01-01	87.1350860109186
2011-04-01	87.3869079447826
2011-07-01	87.1130426801836
2011-10-01	87.5787305340854
2012-01-01	87.4773908325724
2012-04-01	87.6311312159288
2012-07-01	87.5137461879811
2012-10-01	87.6449889858229
2013-01-01	87.9758745820569
2013-04-01	88.2131020870658
2013-07-01	88.1090265910150
2013-10-01	88.1368685473674
2014-01-01	87.9758434621512
2014-04-01	87.9202646658386
2014-07-01	88.1641080050624
2014-10-01	87.8955316195026
2015-01-01	88.1672307717611
2015-04-01	88.4257583871761
2015-07-01	88.1969431226836
2015-10-01	88.7506983632739
2016-01-01	88.3488577351208
2016-04-01	88.3642580079618
2016-07-01	88.5087571984955
2016-10-01	88.6158368596032
2017-01-01	88.8237688433619
2017-04-01	88.6761371274531
2017-07-01	88.8722725492209
2017-10-01	88.6748323417212
2018-01-01	88.8248610566440
2018-04-01	89.3289294950424