Quarter	Percent, Seasonally Adjusted
2005-01-01	51.1996071506146
2005-04-01	51.6905317893823
2005-07-01	52.2870392142917
2005-10-01	53.2866144143442
2006-01-01	53.8838407180416
2006-04-01	54.4670732236787
2006-07-01	55.0998753398957
2006-10-01	56.2076097784107
2007-01-01	56.1315660554063
2007-04-01	57.3368129536900
2007-07-01	57.3276160402223
2007-10-01	58.0152135123807
2008-01-01	57.9055537584560
2008-04-01	58.6869085449933
2008-07-01	58.9532422029000
2008-10-01	59.3419231801981
2009-01-01	59.9176401782563
2009-04-01	61.1484913704568
2009-07-01	60.8409845663497
2009-10-01	61.9004928564107
2010-01-01	62.6460818314510
2010-04-01	62.1851644457341
2010-07-01	62.6132499895728
2010-10-01	62.8594711227571
2011-01-01	63.5302404587024
2011-04-01	64.1232409167732
2011-07-01	64.3584008496292
2011-10-01	64.5783493113558
2012-01-01	64.8313418524406
2012-04-01	65.0511706177911
2012-07-01	65.8191384297102
2012-10-01	66.0552413241711
2013-01-01	66.6529260217323
2013-04-01	67.0463996946808
2013-07-01	67.7974115632418
2013-10-01	68.3347449848164
2014-01-01	68.7530952603537
2014-04-01	68.9891385406452
2014-07-01	69.3085189300247
2014-10-01	69.2885784540287
2015-01-01	69.1040765385491
2015-04-01	69.1209304069338
2015-07-01	69.5544059027289
2015-10-01	69.9197182229113
2016-01-01	70.9115681791802
2016-04-01	71.2221968445752
2016-07-01	71.4677988961479
2016-10-01	71.6838872043665
2017-01-01	71.8769055756180
2017-04-01	72.6494904969853
2017-07-01	72.7671521909891
2017-10-01	73.1357547828045
2018-01-01	73.2184586704539
2018-04-01	73.2282338051116