Quarter	Persons, Seasonally Adjusted
1998-04-01	360500.00000000000
1999-04-01	370900.00000000000
2000-04-01	381100.00000000000
2001-04-01	391800.00000000000
2002-04-01	402700.00000000000
2003-04-01	415400.00000000000
2004-04-01	427400.00000000000
2005-04-01	437800.00000000000
2006-04-01	448000.00000000000
2007-04-01	453500.00000000000
2008-04-01	458000.00000000000
2009-04-01	462000.00000000000
2010-01-01	465099.98174167500
2010-04-01	465625.90511009000
2010-07-01	466737.74519521100
2010-10-01	466136.36795302300
2011-01-01	469013.26976122905
2011-04-01	470944.64862955500
2011-07-01	473084.47212913500
2011-10-01	471357.60948008200
2012-01-01	478077.49775567500
2012-04-01	474943.36145353000
2012-07-01	476864.16919353500
2012-10-01	478914.97159726000
2013-01-01	480438.91318195500
2013-04-01	483672.68168314000
2013-07-01	487787.65422565300
2013-10-01	488400.75090925200
2014-01-01	491563.23999625700
2014-04-01	492156.32204276900
2014-07-01	495906.87478692300
2014-10-01	499673.56317405100
2015-01-01	504264.12125604000
2015-04-01	503185.02821057200
2015-07-01	508277.64785063000
2015-10-01	508373.20268275800
2016-01-01	515865.58637977997
2016-04-01	514330.83760814805
2016-07-01	522692.74541663900
2016-10-01	518910.83059543300
2017-01-01	527350.56298494200
2017-04-01	529796.47189590300
2017-07-01	536053.12253816100
2017-10-01	535199.84258099400
2018-01-01	544007.94500808200
2018-04-01	544113.29782757100