Quarterly Persons
1999-04-01 16300
2000-04-01 16600
2001-04-01 16900
2002-04-01 17000
2003-01-01 17600
2003-04-01 17600
2003-07-01 17600
2003-10-01 17600
2004-01-01 18300
2004-04-01 18300
2004-07-01 18300
2004-10-01 18300
2005-01-01 19100
2005-04-01 19100
2005-07-01 19100
2005-10-01 19100
2006-01-01 19700
2006-04-01 19700
2006-07-01 19700
2006-10-01 19700
2007-01-01 21700
2007-04-01 21900
2007-07-01 19700
2007-10-01 19900
2008-01-01 20200
2008-04-01 20600
2008-07-01 19000
2008-10-01 18100
2009-01-01 20200
2009-04-01 19400
2009-07-01 19700
2009-10-01 18700
2010-01-01 22900
2010-04-01 22000
2010-07-01 21300
2010-10-01 22000
2011-01-01 21500
2011-04-01 23500
2011-07-01 22000
2011-10-01 22600
2012-01-01 23800
2012-04-01 23800
2012-07-01 21500
2012-10-01 21800
2013-01-01 24400
2013-04-01 22900
2013-07-01 23700
2013-10-01 21900
2014-01-01 21000
2014-04-01 23600
2014-07-01 22500
2014-10-01 23300
2015-01-01 21000
2015-04-01 22100
2015-07-01 19700
2015-10-01 22700
2016-01-01 24300
2016-04-01 22900
2016-07-01 20600
2016-10-01 23200
2017-01-01 24900
2017-04-01 26400
2017-07-01 23100
2017-10-01 24300
2018-01-01 24000
2018-04-01 25000