Quarter	Percent, Seasonally Adjusted
2005-01-01	58.3145211487714
2005-04-01	58.3551209043906
2005-07-01	58.4744434778756
2005-10-01	58.5217661061302
2006-01-01	58.8326694283900
2006-04-01	58.9210583115588
2006-07-01	58.9523156507480
2006-10-01	59.1224091107120
2007-01-01	58.9288887612638
2007-04-01	59.1824256334741
2007-07-01	59.2409816475181
2007-10-01	59.2446000456137
2008-01-01	59.1600953129867
2008-04-01	59.0655008484395
2008-07-01	59.3905693839918
2008-10-01	59.3318007857352
2009-01-01	59.2631918021990
2009-04-01	59.3566454974936
2009-07-01	59.2035945598577
2009-10-01	59.7446876860753
2010-01-01	59.3141987491921
2010-04-01	59.3647702464306
2010-07-01	59.3244449143879
2010-10-01	59.4760942188443
2011-01-01	59.7374160647255
2011-04-01	60.1936799472437
2011-07-01	60.1937633576549
2011-10-01	60.2358211261548
2012-01-01	59.9317677015081
2012-04-01	60.0468652815672
2012-07-01	60.1571771039246
2012-10-01	60.1327160699039
2013-01-01	60.2691589167710
2013-04-01	60.4551594918588
2013-07-01	60.3474258757922
2013-10-01	60.3395435527242
2014-01-01	60.3663146353889
2014-04-01	60.4219802832301
2014-07-01	60.4619707320886
2014-10-01	60.3808805083432
2015-01-01	60.0776117526970
2015-04-01	60.0883767233781
2015-07-01	60.0962547957068
2015-10-01	60.4131281731680
2016-01-01	60.9334782588703
2016-04-01	60.8916182357315
2016-07-01	61.0650488572304
2016-10-01	61.1401583313650
2017-01-01	61.0050913026089
2017-04-01	61.1055678904468
2017-07-01	61.2542563359298
2017-10-01	61.4750687224336
2018-01-01	61.1703932737847
2018-04-01	61.1324602139465