Quarterly Persons
1999-01-01 17116700
1999-04-01 17194200
1999-07-01 17418800
1999-10-01 17541000
2000-01-01 17648600
2000-04-01 17799900
2000-07-01 18038800
2000-10-01 18126300
2001-01-01 17707000
2001-04-01 17821200
2001-07-01 18057500
2001-10-01 18180900
2002-01-01 18523600
2002-04-01 18764700
2002-07-01 19010700
2002-10-01 19123100
2003-01-01 19310200
2003-04-01 19525100
2003-07-01 19784600
2003-10-01 19908700
2004-01-01 19969600
2004-04-01 20149500
2004-07-01 20377800
2004-10-01 20558400
2005-01-01 20716000
2005-04-01 20992600
2005-07-01 21063900
2005-10-01 21220700
2006-01-01 21377600
2006-04-01 21566500
2006-07-01 21704800
2006-10-01 21873600
2007-01-01 21983400
2007-04-01 22219100
2007-07-01 22410800
2007-10-01 22510400
2008-01-01 22661000
2008-04-01 22874600
2008-07-01 22996200
2008-10-01 23102100
2009-01-01 23149900
2009-04-01 23146500
2009-07-01 23070900
2009-10-01 23059500
2010-01-01 23120900
2010-04-01 23248400
2010-07-01 23250800
2010-10-01 23219800
2011-01-01 23194500
2011-04-01 23317300
2011-07-01 23334300
2011-10-01 23275700
2012-01-01 23277900
2012-04-01 23326000
2012-07-01 23324100
2012-10-01 23197600
2013-01-01 23157900
2013-04-01 23058800
2013-07-01 23029000
2013-10-01 22927800
2014-01-01 22748900
2014-04-01 22839000
2014-07-01 22782600
2014-10-01 22883800
2015-01-01 22755200
2015-04-01 22866400
2015-07-01 22742300
2015-10-01 22704600
2016-01-01 22663200
2016-04-01 22707000
2016-07-01 22680700
2016-10-01 22575100
2017-01-01 22518000
2017-04-01 22544500
2017-07-01 22590900
2017-10-01 22578600
2018-01-01 22480800
2018-04-01 22637400
2018-07-01 22647500