Quarter	Percent, Seasonally Adjusted
2007-01-01	75.1026447018087
2007-04-01	72.9386123616536
2007-07-01	74.1001220202450
2007-10-01	76.6940186374353
2008-01-01	72.4186203558734
2008-04-01	74.1228504449233
2008-07-01	72.7028805240576
2008-10-01	72.4818537006627
2009-01-01	77.2853940794533
2009-04-01	74.1895300323689
2009-07-01	75.6603918033240
2009-10-01	74.0913737217396
2010-01-01	77.6008168306404
2010-04-01	74.0900213131303
2010-07-01	77.2527269701508
2010-10-01	76.5906017052177
2011-01-01	78.4432262117935
2011-04-01	76.9991998438522
2011-07-01	76.1510352569473
2011-10-01	77.0060978522460
2012-01-01	78.0290845770564
2012-04-01	78.2492259126531
2012-07-01	80.6813342119845
2012-10-01	79.6413110434596
2013-01-01	80.8702214755183
2013-04-01	79.9488514849553
2013-07-01	80.2288537602252
2013-10-01	80.9418023512942
2014-01-01	78.8140521014561
2014-04-01	81.2603952863150
2014-07-01	80.5370660567579
2014-10-01	83.1169481252137
2015-01-01	81.3815199173896
2015-04-01	82.2961677598847
2015-07-01	80.6128957068281
2015-10-01	81.0317039493328
2016-01-01	80.6684395682637
2016-04-01	80.1028846644482
2016-07-01	80.8378172456280
2016-10-01	82.6209515038402
2017-01-01	83.5972102727598
2017-04-01	84.2072782026772
2017-07-01	85.4524913769815
2017-10-01	82.7857529237477
2018-01-01	85.5412960071473
2018-04-01	84.2189191950697