Quarter	Percent, Seasonally adjusted
2009-10-01	62.2010227200000
2010-01-01	62.1310219200000
2010-04-01	62.6522026933333
2010-07-01	62.9395760166667
2010-10-01	63.1233547800000
2011-01-01	63.6094016133333
2011-04-01	63.6668018800000
2011-07-01	64.0740931600000
2011-10-01	64.2126483233333
2012-01-01	64.4672004000000
2012-04-01	65.0644890433333
2012-07-01	65.0388559400000
2012-10-01	65.0805703733333
2013-01-01	65.1306301366667
2013-04-01	64.6312247700000
2013-07-01	64.6069189666667
2013-10-01	64.8625617600000
2014-01-01	65.3820195566667
2014-04-01	65.1751160666667
2014-07-01	65.2379977033333
2014-10-01	65.5829183766666
2015-01-01	65.2640740666666
2015-04-01	65.2336464233333
2015-07-01	65.3630964066667