Quarterly Persons
1999-01-01 14879900
2000-01-01 14272700
2000-04-01 14467600
2000-07-01 14665700
2000-10-01 14482900
2001-01-01 14100600
2001-04-01 14194600
2001-07-01 14331200
2001-10-01 14000200
2002-01-01 13646500
2002-04-01 13766000
2002-07-01 13843500
2002-10-01 13683200
2003-01-01 13313200
2003-04-01 13614800
2003-07-01 13699100
2003-10-01 13666800
2004-01-01 13417900
2004-04-01 13640100
2004-07-01 13917900
2004-10-01 13999100
2005-01-01 13721100
2005-04-01 13909300
2005-07-01 14307500
2005-10-01 14334700
2006-01-01 14060400
2006-04-01 14420700
2006-07-01 14867700
2006-10-01 14868700
2007-01-01 14798400
2007-04-01 15117200
2007-07-01 15396300
2007-10-01 15491200
2008-01-01 15477000
2008-04-01 15648600
2008-07-01 15944300
2008-10-01 15960700
2009-01-01 15671200
2009-04-01 15799800
2009-07-01 15976900
2009-10-01 15850000
2010-01-01 15140400
2010-04-01 15434000
2010-07-01 15638900
2010-10-01 15516300
2011-01-01 15320900
2011-04-01 15535100
2011-07-01 15652000
2011-10-01 15567100
2012-01-01 15359200
2012-04-01 15567700
2012-07-01 15676900
2012-10-01 15595200
2013-01-01 15251200
2013-04-01 15492600
2013-07-01 15705000
2013-10-01 15678500
2014-01-01 15543100
2014-04-01 15757500
2014-07-01 16020300
2014-10-01 15983400
2015-01-01 15804600
2015-04-01 15953000
2015-07-01 16202000
2015-10-01 16250900
2016-01-01 15974900
2016-04-01 16148000
2016-07-01 16233300
2016-10-01 16296900
2017-01-01 16250400
2017-04-01 16461700
2017-07-01 16475000
2017-10-01 16375900
2018-01-01 16315300
2018-04-01 16542000