Quarter	Persons, Seasonally Adjusted
1998-04-01	382900.00000000000
1999-04-01	385500.00000000000
2000-04-01	393700.00000000000
2001-04-01	404200.00000000000
2002-04-01	413500.00000000000
2003-04-01	425200.00000000000
2004-04-01	436400.00000000000
2005-04-01	445800.00000000000
2006-04-01	454500.00000000000
2007-04-01	459500.00000000000
2008-04-01	464500.00000000000
2009-04-01	468200.00000000000
2010-01-01	466934.18522600504
2010-04-01	470548.31284029000
2010-07-01	475830.38457193300
2010-10-01	474987.11736177200
2011-01-01	471976.47341694900
2011-04-01	474928.33765806600
2011-07-01	479042.03880522900
2011-10-01	479653.15011975600
2012-01-01	478374.30729592800
2012-04-01	476749.29309695700
2012-07-01	481127.33245863400
2012-10-01	487549.06714848103
2013-01-01	485511.71100691800
2013-04-01	482340.90029917400
2013-07-01	487856.78987470800
2013-10-01	493890.59881919900
2014-01-01	493565.64971987200
2014-04-01	492129.92023968200
2014-07-01	496511.57770462404
2014-10-01	501192.85233582300
2015-01-01	501884.37833858305
2015-04-01	504157.22474466300
2015-07-01	507852.47812581004
2015-10-01	510405.91879094400
2016-01-01	512468.68108496594
2016-04-01	515974.40751474595
2016-07-01	519274.66623204100
2016-10-01	523082.24516824600
2017-01-01	528025.53490552200
2017-04-01	529974.73977261700
2017-07-01	531001.47036937190
2017-10-01	533998.25495248900
2018-01-01	538146.54768127190
2018-04-01	542594.05507475600