Quarter	Percent, Seasonally Adjusted
2005-01-01	51.0801651769572
2005-04-01	50.9510103127490
2005-07-01	51.1064747116279
2005-10-01	51.2774048819495
2006-01-01	51.7557650877144
2006-04-01	51.9234007619411
2006-07-01	52.0550596382809
2006-10-01	52.1685367074228
2007-01-01	52.0603495518313
2007-04-01	52.4530879550538
2007-07-01	52.4674902702858
2007-10-01	52.6475191212266
2008-01-01	52.3740998775951
2008-04-01	52.2740501478414
2008-07-01	52.6570145385407
2008-10-01	52.7788458851507
2009-01-01	52.5918945930176
2009-04-01	52.8919652174051
2009-07-01	52.6616408734518
2009-10-01	53.5529569903060
2010-01-01	52.9020772501400
2010-04-01	53.0286981563718
2010-07-01	52.9827226457267
2010-10-01	53.3258378907201
2011-01-01	53.6463110086919
2011-04-01	53.9675927232194
2011-07-01	54.1750917490475
2011-10-01	54.2308223950816
2012-01-01	53.7767086174422
2012-04-01	54.0337243202806
2012-07-01	54.1067041216359
2012-10-01	54.2027982493502
2013-01-01	54.5030694348950
2013-04-01	54.6136192868886
2013-07-01	54.6450763381426
2013-10-01	54.5849905020490
2014-01-01	54.7339779635324
2014-04-01	54.8055114726680
2014-07-01	54.8054492267178
2014-10-01	54.7169126613722
2015-01-01	54.6097600427890
2015-04-01	54.7071882505532
2015-07-01	54.5930862412981
2015-10-01	54.9272798449871
2016-01-01	55.5501816358212
2016-04-01	55.5015830658652
2016-07-01	55.7014354544248
2016-10-01	55.7917641231969
2017-01-01	55.6557838674229
2017-04-01	55.6906389648913
2017-07-01	55.8535572937306
2017-10-01	56.3559013338699
2018-01-01	55.7068675129392
2018-04-01	55.6834561094743