Quarter	Persons, Seasonally Adjusted
1998-04-01	2741200
1999-04-01	2767400
2000-04-01	2765500
2001-04-01	2809700
2002-04-01	2880900
2003-04-01	2914700
2004-04-01	2929800
2005-04-01	2932600
2006-04-01	2986300
2007-04-01	3035500
2008-04-01	3195800
2009-04-01	3244300
2010-01-01	3151500
2010-04-01	3180700
2010-07-01	3169200
2010-10-01	3179200
2011-01-01	3216300
2011-04-01	3247800
2011-07-01	3220600
2011-10-01	3265600
2012-01-01	3255900
2012-04-01	3299600
2012-07-01	3329700
2012-10-01	3311700
2013-01-01	3310700
2013-04-01	3315200
2013-07-01	3307800
2013-10-01	3343200
2014-01-01	3328500
2014-04-01	3382400
2014-07-01	3386600
2014-10-01	3474000
2015-01-01	3466700
2015-04-01	3461500
2015-07-01	3458900
2015-10-01	3492900
2016-01-01	3492600
2016-04-01	3519400
2016-07-01	3537300
2016-10-01	3571900
2017-01-01	3547700
2017-04-01	3568900
2017-07-01	3556500
2017-10-01	3597400
2018-01-01	3574200
2018-04-01	3598100