Quarterly Persons
1999-04-01 21400
2000-04-01 21800
2001-04-01 21300
2002-04-01 21700
2003-01-01 22300
2003-04-01 22300
2003-07-01 22300
2003-10-01 22300
2004-01-01 22600
2004-04-01 22600
2004-07-01 22600
2004-10-01 22600
2005-01-01 23100
2005-04-01 23100
2005-07-01 23100
2005-10-01 23100
2006-01-01 24700
2006-04-01 24700
2006-07-01 24700
2006-10-01 24700
2007-01-01 24200
2007-04-01 24400
2007-07-01 24500
2007-10-01 24300
2008-01-01 22600
2008-04-01 24500
2008-07-01 23700
2008-10-01 24000
2009-01-01 24500
2009-04-01 24800
2009-07-01 24500
2009-10-01 24900
2010-01-01 25900
2010-04-01 25500
2010-07-01 25900
2010-10-01 26100
2011-01-01 26900
2011-04-01 26900
2011-07-01 26500
2011-10-01 27200
2012-01-01 28000
2012-04-01 28200
2012-07-01 27700
2012-10-01 28000
2013-01-01 28600
2013-04-01 28600
2013-07-01 28400
2013-10-01 28500
2014-01-01 29600
2014-04-01 29200
2014-07-01 29000
2014-10-01 29700
2015-01-01 31300
2015-04-01 31300
2015-07-01 31300
2015-10-01 31300
2016-01-01 32400
2016-04-01 32400
2016-07-01 32400
2016-10-01 32400
2017-01-01 33700
2017-04-01 33500
2017-07-01 34100
2017-10-01 34100
2018-01-01 35100
2018-04-01 35100