Quarterly Persons
2006-01-01 24935500
2006-04-01 25027800
2006-07-01 25127900
2006-10-01 25228400
2007-01-01 25333400
2007-04-01 25429000
2007-07-01 25531800
2007-10-01 25631700
2008-01-01 25725100
2008-04-01 25831700
2008-07-01 25940800
2008-10-01 26053200
2009-01-01 26153000
2009-04-01 26262600
2009-07-01 26367400
2009-10-01 26475900
2010-01-01 26582800
2010-04-01 26685500
2010-07-01 26791100
2010-10-01 26897400
2011-01-01 27054800
2011-04-01 27196400
2011-07-01 27343100
2011-10-01 27488900
2012-01-01 27593700
2012-04-01 27710400
2012-07-01 27830100
2012-10-01 27949300
2013-01-01 28020800
2013-04-01 28136200
2013-07-01 28252500
2013-10-01 28366000
2014-01-01 28667100
2014-04-01 28780800
2014-07-01 28897700
2014-10-01 29014700
2015-01-01 29124900
2015-04-01 29226800
2015-07-01 29340900
2015-10-01 29464200
2016-01-01 29566400
2016-04-01 29646500
2016-07-01 29746900
2016-10-01 29866100
2017-01-01 30091000
2017-04-01 30191300
2017-07-01 30294900
2017-10-01 30398500
2018-01-01 30499900
2018-04-01 30595900