Quarter	Percent, Seasonally Adjusted
2005-01-01	61.9611100732169
2005-04-01	62.2579651078162
2005-07-01	62.5281603941820
2005-10-01	62.4689801622946
2006-01-01	62.8565433100516
2006-04-01	63.2102112371218
2006-07-01	63.2185759139871
2006-10-01	63.2860994887336
2007-01-01	63.5395591540124
2007-04-01	63.8549334050345
2007-07-01	63.9800654880904
2007-10-01	64.0779274998720
2008-01-01	64.3051208470705
2008-04-01	64.3655096882003
2008-07-01	64.1963643853094
2008-10-01	64.0570398605052
2009-01-01	63.7572379246043
2009-04-01	63.2197188878525
2009-07-01	62.9834335659077
2009-10-01	62.8732558876091
2010-01-01	63.0560238312879
2010-04-01	63.1173767528889
2010-07-01	62.9914220857310
2010-10-01	62.8003000016127
2011-01-01	63.2088564419476
2011-04-01	63.3811360898741
2011-07-01	63.4163428607865
2011-10-01	63.7092989698385
2012-01-01	63.8578952521229
2012-04-01	64.1951479869616
2012-07-01	64.5426687202029
2012-10-01	64.8497527774698
2013-01-01	64.7402685579296
2013-04-01	64.8518251475090
2013-07-01	65.1732575977728
2013-10-01	65.3804315359846
2014-01-01	65.5092918795339
2014-04-01	65.9826751042439
2014-07-01	66.2823958300769
2014-10-01	66.3662169453781
2015-01-01	66.4680829210003
2015-04-01	66.7539309611556
2015-07-01	66.8249709887898
2015-10-01	66.9986492018498
2016-01-01	67.4140778851068
2016-04-01	67.6881546208036
2016-07-01	67.9480726156411
2016-10-01	68.1869356238474
2017-01-01	68.4736671103916
2017-04-01	68.9061163242520
2017-07-01	69.2156473048924
2017-10-01	69.4357692619665
2018-01-01	69.5583355689186
2018-04-01	69.9437347724856