Quarterly Persons
2000-04-01 18396300
2001-04-01 18273400
2002-04-01 18383800
2003-04-01 18641300
2004-04-01 18935300
2005-01-01 19031500
2005-04-01 18998500
2005-07-01 19059700
2005-10-01 19160900
2006-01-01 19243700
2006-04-01 19242200
2006-07-01 19338500
2006-10-01 19423500
2007-01-01 19539700
2007-04-01 19630900
2007-07-01 19719400
2007-10-01 19926500
2008-01-01 19879100
2008-04-01 19977000
2008-07-01 20072300
2008-10-01 20236500
2009-01-01 20168300
2009-04-01 20253700
2009-07-01 20353200
2009-10-01 20521900
2010-01-01 20455700
2010-04-01 20617500
2010-07-01 20642100
2010-10-01 20873000
2011-01-01 20986900
2011-04-01 21045400
2011-07-01 21081900
2011-10-01 21144900
2012-01-01 21285400
2012-04-01 21321900
2012-07-01 21390300
2012-10-01 21419300
2013-01-01 21539800
2013-04-01 21610000
2013-07-01 21620600
2013-10-01 21666700
2014-01-01 21810600
2014-04-01 21876800
2014-07-01 21873000
2014-10-01 22018500
2015-01-01 22152700
2015-04-01 22134900
2015-07-01 22254800
2015-10-01 22254500
2016-01-01 22412500
2016-04-01 22514000
2016-07-01 22436300
2016-10-01 22650900
2017-01-01 22734400
2017-04-01 22796100
2017-07-01 22898300
2017-10-01 22980800
2018-01-01 23132900
2018-04-01 23225000