Quarter	Percent, Seasonally Adjusted
2005-01-01	48.8894198957619
2005-04-01	48.9824084774777
2005-07-01	49.0255693799993
2005-10-01	49.2137025123614
2006-01-01	49.3643477315214
2006-04-01	49.4232077705462
2006-07-01	49.5558340784973
2006-10-01	49.5470317810125
2007-01-01	49.4091928985560
2007-04-01	49.5874025316660
2007-07-01	49.8291602775375
2007-10-01	49.9069856048894
2008-01-01	49.8471107593294
2008-04-01	49.9080418968410
2008-07-01	50.1631494031945
2008-10-01	50.2214822499801
2009-01-01	50.2179164931567
2009-04-01	50.2827550553026
2009-07-01	50.2369644768047
2009-10-01	50.4119202814394
2010-01-01	50.2933542254130
2010-04-01	50.3734576622763
2010-07-01	50.3712033810020
2010-10-01	50.3874386385670
2011-01-01	50.4374749528333
2011-04-01	50.4970521192074
2011-07-01	50.5472196545096
2011-10-01	50.6913420607008
2012-01-01	50.7850494054178
2012-04-01	50.9128427426708
2012-07-01	51.0261214315748
2012-10-01	51.0776458976129
2013-01-01	51.0702621961170
2013-04-01	51.1295597487578
2013-07-01	51.1384332100380
2013-10-01	51.1792145105401
2014-01-01	51.2573065082169
2014-04-01	51.2032074123639
2014-07-01	51.3043680868297
2014-10-01	51.3648304998912
2015-01-01	51.2605413383949
2015-04-01	51.3006887852863
2015-07-01	51.2720521997242
2015-10-01	51.3590623287244
2016-01-01	51.5162223654237
2016-04-01	51.5712612534541
2016-07-01	51.5948620281380
2016-10-01	51.6211952284618
2017-01-01	51.6711965612752
2017-04-01	51.8340130821345
2017-07-01	51.8547117164311
2017-10-01	51.8924044706752
2018-01-01	51.8940608106175
2018-04-01	51.9721686888759