Quarter	Percent, Seasonally Adjusted
2005-01-01	56.7115337427592
2005-04-01	56.6883906828622
2005-07-01	56.8046790264543
2005-10-01	57.0006450484127
2006-01-01	57.4595324321573
2006-04-01	57.9361925133238
2006-07-01	58.1786500321071
2006-10-01	58.5661155668172
2007-01-01	58.8460662652708
2007-04-01	59.2708260517966
2007-07-01	59.5151317869426
2007-10-01	59.6754472624752
2008-01-01	59.9605798813375
2008-04-01	59.8656359266457
2008-07-01	60.5519510391040
2008-10-01	60.5252248025532
2009-01-01	60.2117430875078
2009-04-01	60.1721777796667
2009-07-01	60.1048048936552
2009-10-01	60.9427499607931
2010-01-01	60.7444760772616
2010-04-01	61.0873290950773
2010-07-01	61.3802237033462
2010-10-01	61.6922044646017
2011-01-01	62.3559020178825
2011-04-01	63.0057725358177
2011-07-01	63.0912396528375
2011-10-01	63.5005769872748
2012-01-01	63.1913563995879
2012-04-01	63.4318303365402
2012-07-01	63.7171482358926
2012-10-01	63.7275397018472
2013-01-01	63.8338151078087
2013-04-01	64.2820009056402
2013-07-01	64.3148131088691
2013-10-01	64.3964518589723
2014-01-01	64.4965001453458
2014-04-01	64.6800983387920
2014-07-01	64.9384299601955
2014-10-01	64.8943888627531
2015-01-01	64.9612266817982
2015-04-01	64.8906483555946
2015-07-01	65.1237258309982
2015-10-01	65.3765379293342
2016-01-01	65.9106546178542
2016-04-01	65.9646883800167
2016-07-01	66.4512615371541
2016-10-01	66.6197500142041
2017-01-01	66.4312100125236
2017-04-01	66.8253428731996
2017-07-01	66.9794635698168
2017-10-01	67.2086599738685
2018-01-01	67.0240179374952
2018-04-01	67.0855032872748