Quarter	Percent, Seasonally Adjusted
2005-01-01	50.6187911023061
2005-04-01	50.4292068407198
2005-07-01	51.8061304191722
2005-10-01	51.2857452960952
2006-01-01	52.2143656908550
2006-04-01	53.3966564825285
2006-07-01	53.1062787405870
2006-10-01	54.1370611804412
2007-01-01	53.9040901826440
2007-04-01	55.0662477616732
2007-07-01	53.5369161764237
2007-10-01	55.1429023911215
2008-01-01	56.2101992671516
2008-04-01	55.4846236874766
2008-07-01	55.0758214994500
2008-10-01	56.2128950670181
2009-01-01	55.4467219953585
2009-04-01	54.9366823745702
2009-07-01	55.0429170269381
2009-10-01	55.9738894682222
2010-01-01	56.5544829894930
2010-04-01	56.9323164676650
2010-07-01	58.8214843039487
2010-10-01	59.7180109605134
2011-01-01	59.0399291912190
2011-04-01	60.3131331809142
2011-07-01	59.5655021096437
2011-10-01	60.0473717038385
2012-01-01	61.6856986548578
2012-04-01	62.4528803744660
2012-07-01	63.1396516350814
2012-10-01	63.5872060334111
2013-01-01	63.1381766520906
2013-04-01	63.9299978235653
2013-07-01	63.7779546234753
2013-10-01	64.9479976969546
2014-01-01	64.6084411484691
2014-04-01	64.5549365353300
2014-07-01	63.9149243284823
2014-10-01	63.8815005360257
2015-01-01	63.5574024908419
2015-04-01	64.2525573755385
2015-07-01	64.5644897152266
2015-10-01	65.6012100451300
2016-01-01	63.6465417943271
2016-04-01	63.8472857304496
2016-07-01	63.9457037256166
2016-10-01	63.8063788032161
2017-01-01	64.1936843916204
2017-04-01	64.2417169077882
2017-07-01	66.1968583587809
2017-10-01	66.4375460728937
2018-01-01	66.0061782331020
2018-04-01	65.5296206581915
2018-07-01	64.8890236795102