Quarterly Persons
1998-01-01 21645100
1998-04-01 21348000
1998-07-01 21179000
1998-10-01 21097600
1999-01-01 21317800
1999-04-01 21119000
1999-07-01 20972700
1999-10-01 21013700
2000-01-01 21215000
2000-04-01 21013500
2000-07-01 20780000
2000-10-01 20694100
2001-01-01 20873400
2001-04-01 20887600
2001-07-01 20651200
2001-10-01 20650400
2002-01-01 20722200
2002-04-01 20636200
2002-07-01 20526200
2002-10-01 20513700
2003-01-01 20588400
2003-04-01 20402900
2003-07-01 20394100
2003-10-01 20424700
2004-01-01 19885600
2004-04-01 19799000
2004-07-01 19958700
2004-10-01 19783600
2005-01-01 20087300
2005-04-01 20084000
2005-07-01 20372700
2005-10-01 20000100
2006-01-01 20131400
2006-04-01 19987800
2006-07-01 20305600
2006-10-01 20092700
2007-01-01 20505400
2007-04-01 20240400
2007-07-01 20208100
2007-10-01 20098600
2008-01-01 20222500
2008-04-01 19951400
2008-07-01 20246800
2008-10-01 20241100
2009-01-01 20466700
2009-04-01 20428800
2009-07-01 20687900
2009-10-01 20491800
2010-01-01 20546300
2010-04-01 20515600
2010-07-01 20970600
2010-10-01 20557300
2011-01-01 20640600
2011-04-01 20694900
2011-07-01 20888500
2011-10-01 20392200
2012-01-01 20204400
2012-04-01 20061600
2012-07-01 20407700
2012-10-01 20047400
2013-01-01 20210400
2013-04-01 20353600
2013-07-01 20619200
2013-10-01 20223400
2014-01-01 20211500
2014-04-01 20295900
2014-07-01 20322300
2014-10-01 19887700
2015-01-01 20174000
2015-04-01 20012200
2015-07-01 20255800
2015-10-01 19925800
2016-01-01 20004600
2016-04-01 19539900
2016-07-01 19750000
2016-10-01 19432300
2017-01-01 19507700
2017-04-01 19439600
2017-07-01 19420500
2017-10-01 19313800
2018-01-01 19419400
2018-04-01 19008500