Quarterly Persons
1999-04-01 18592100
1999-07-01 18629300
1999-10-01 18656900
2000-01-01 18685800
2000-04-01 18697400
2000-07-01 18728500
2000-10-01 18779800
2001-01-01 18784800
2001-04-01 18821400
2001-07-01 18877000
2001-10-01 18918000
2002-01-01 18944800
2002-04-01 18973100
2002-07-01 19025500
2002-10-01 19046800
2003-01-01 19073800
2003-04-01 19121600
2003-07-01 19150500
2003-10-01 19165500
2004-01-01 19199400
2004-04-01 19234500
2004-07-01 19287800
2004-10-01 19370400
2005-01-01 19382400
2005-04-01 19415000
2005-07-01 19474900
2005-10-01 19529800
2006-01-01 19579300
2006-04-01 19639100
2006-07-01 19683500
2006-10-01 19734700
2007-01-01 19754100
2007-04-01 19808700
2007-07-01 19866200
2007-10-01 19881200
2008-01-01 19919300
2008-04-01 19950900
2008-07-01 20001400
2008-10-01 20005500
2009-01-01 20043600
2009-04-01 20081000
2009-07-01 20105000
2009-10-01 20102500
2010-01-01 20157000
2010-04-01 20154100
2010-07-01 20206500
2010-10-01 20250400
2011-01-01 20304400
2011-04-01 20329300
2011-07-01 20306200
2011-10-01 20290100
2012-01-01 20288500
2012-04-01 20300800
2012-07-01 20322900
2012-10-01 20327700
2013-01-01 20307600
2013-04-01 20300900
2013-07-01 20324400
2013-10-01 20355600
2014-01-01 20368800
2014-04-01 20364400
2014-07-01 20410700
2014-10-01 20421200
2015-01-01 20445300
2015-04-01 20473800
2015-07-01 20531400
2015-10-01 20524000
2016-01-01 20533400
2016-04-01 20557700
2016-07-01 20609300
2016-10-01 20624900
2017-01-01 20655500
2017-04-01 20657200
2017-07-01 20657300
2017-10-01 20655700
2018-01-01 20674100
2018-04-01 20684800