Quarter	Percent, Seasonally Adjusted
2006-01-01	48.4877188617380
2006-04-01	48.7712764793706
2006-07-01	49.1061984742952
2006-10-01	49.5091923456156
2007-01-01	49.2188886373826
2007-04-01	49.1755958032264
2007-07-01	49.1494886902555
2007-10-01	48.7835139664544
2008-01-01	49.2864832826311
2008-04-01	49.6967203987742
2008-07-01	49.9406095438339
2008-10-01	50.3217239816488
2009-01-01	50.0131186741956
2009-04-01	50.4637037073237
2009-07-01	51.1746093895221
2009-10-01	51.4094165224312
2010-01-01	51.9258363319462
2010-04-01	51.9472571959677
2010-07-01	51.8398349568773
2010-10-01	52.0651151883231
2011-01-01	53.0665813859450
2011-04-01	53.1916385519263
2011-07-01	53.4547679024781
2011-10-01	53.1113224686706
2012-01-01	52.5928873772673
2012-04-01	53.1040606449749
2012-07-01	53.2570636235049
2012-10-01	54.3976125988338
2013-01-01	54.2831679382731
2013-04-01	54.5402212712650
2013-07-01	54.3882084636625
2013-10-01	54.3008708035854
2014-01-01	54.7553929162937
2014-04-01	55.0620106678706
2014-07-01	55.1223829782818
2014-10-01	55.4391121018658
2015-01-01	55.6865236692207
2015-04-01	55.8422518863216
2015-07-01	56.2362025453808
2015-10-01	56.3039113590727
2016-01-01	56.5905474270894
2016-04-01	56.8895117616898
2016-07-01	56.9346019829709
2016-10-01	57.3428460736450
2017-01-01	57.6812465191235
2017-04-01	57.7212885755338
2017-07-01	58.1436654571452
2017-10-01	58.2410091625159
2018-01-01	58.1989544863902
2018-04-01	58.1013667570644