Quarter	Percent, Seasonally Adjusted
2007-01-01	81.9353545704090
2007-04-01	80.8520581024730
2007-07-01	82.1742230282359
2007-10-01	82.6656055672023
2008-01-01	80.0181217883360
2008-04-01	80.1026208504689
2008-07-01	80.6723193901831
2008-10-01	79.0747655119301
2009-01-01	81.8376784244832
2009-04-01	80.4492884691064
2009-07-01	82.0143654804268
2009-10-01	80.5351979029176
2010-01-01	82.5638418461310
2010-04-01	81.0799379165586
2010-07-01	83.4656664247742
2010-10-01	82.2007099836486
2011-01-01	82.9623503289618
2011-04-01	81.8574127196347
2011-07-01	81.2960023999246
2011-10-01	81.6856948857159
2012-01-01	81.8838907420134
2012-04-01	83.5383623704804
2012-07-01	83.5172608605287
2012-10-01	83.5983202394419
2013-01-01	83.2538445852068
2013-04-01	81.7813688607624
2013-07-01	83.7299428674716
2013-10-01	82.7523261547791
2014-01-01	82.9266637398096
2014-04-01	83.7914337907577
2014-07-01	83.4578082173044
2014-10-01	84.8424592645180
2015-01-01	81.9143756192443
2015-04-01	83.6426029657151
2015-07-01	81.6098128446138
2015-10-01	83.2790220781627
2016-01-01	82.7234202796660
2016-04-01	82.0078174216959
2016-07-01	81.9988016138735
2016-10-01	83.4234970279142
2017-01-01	83.1359823915226
2017-04-01	83.8470483565889
2017-07-01	83.8492730315146
2017-10-01	83.8343061273327
2018-01-01	84.5417210592380
2018-04-01	83.6734078345105