Quarter	Percent, Seasonally Adjusted
2005-01-01	46.0079928762124
2005-04-01	46.3175178225448
2005-07-01	46.4337115045295
2005-10-01	46.7190185112429
2006-01-01	47.0990036130299
2006-04-01	47.4233243725040
2006-07-01	47.8781529727630
2006-10-01	48.2986645585224
2007-01-01	48.2852102437013
2007-04-01	48.5537251262598
2007-07-01	48.7210928023135
2007-10-01	48.9724902874511
2008-01-01	48.9870555562804
2008-04-01	49.3681798561952
2008-07-01	49.2511065174907
2008-10-01	49.5442588593301
2009-01-01	49.5389141848027
2009-04-01	49.7353244129376
2009-07-01	49.5803460655997
2009-10-01	49.6079357420606
2010-01-01	50.0369592839767
2010-04-01	49.9429016009660
2010-07-01	50.3544272432303
2010-10-01	50.1798954036151
2011-01-01	50.4632707561587
2011-04-01	50.5975307166715
2011-07-01	50.7207336324987
2011-10-01	50.8785410402212
2012-01-01	51.2316086947670
2012-04-01	51.4196536202953
2012-07-01	51.6248378163491
2012-10-01	52.0648914892070
2013-01-01	52.4654496646695
2013-04-01	52.6059923751818
2013-07-01	53.0168685477701
2013-10-01	53.1672061844809
2014-01-01	53.4793497307056
2014-04-01	53.9562941444208
2014-07-01	54.0729982803515
2014-10-01	54.3791904147479
2015-01-01	54.4598406438051
2015-04-01	54.7073958862879
2015-07-01	54.9633003101163
2015-10-01	55.3076544977750
2016-01-01	55.5238465385754
2016-04-01	55.7850630135044
2016-07-01	55.9393798957431
2016-10-01	56.2335362430246
2017-01-01	56.7431030603678
2017-04-01	56.9937991578422
2017-07-01	57.2499896090300
2017-10-01	57.7129379648711
2018-01-01	57.9835228338899