Quarterly Persons
2000-04-01 22502900
2001-04-01 22334200
2002-04-01 21971000
2003-04-01 21638800
2004-04-01 21626700
2005-01-01 21076100
2005-04-01 20880500
2005-07-01 20937200
2005-10-01 20830700
2006-01-01 20900600
2006-04-01 20751200
2006-07-01 20749600
2006-10-01 20721200
2007-01-01 20766900
2007-04-01 20520100
2007-07-01 20676200
2007-10-01 20797600
2008-01-01 20837800
2008-04-01 20565900
2008-07-01 20657300
2008-10-01 20638600
2009-01-01 20522700
2009-04-01 20228400
2009-07-01 20535900
2009-10-01 20460700
2010-01-01 20286500
2010-04-01 20348800
2010-07-01 20390100
2010-10-01 20434400
2011-01-01 20431100
2011-04-01 20226300
2011-07-01 20234200
2011-10-01 19972300
2012-01-01 19956900
2012-04-01 19600700
2012-07-01 19482800
2012-10-01 19344100
2013-01-01 19320200
2013-04-01 19117000
2013-07-01 18911800
2013-10-01 18775700
2014-01-01 18806400
2014-04-01 18594800
2014-07-01 18521200
2014-10-01 18307000
2015-01-01 18370100
2015-04-01 18098800
2015-07-01 18083900
2015-10-01 17944800
2016-01-01 17832900
2016-04-01 17594500
2016-07-01 17531200
2016-10-01 17473400
2017-01-01 17512900
2017-04-01 17191300
2017-07-01 17250300
2017-10-01 16978600
2018-01-01 17080500
2018-04-01 16968200