Quarterly Persons
1998-04-01 22200
1999-04-01 22900
2000-04-01 22100
2001-04-01 22000
2002-04-01 20700
2003-01-01 20100
2003-04-01 20100
2003-07-01 20100
2003-10-01 20100
2004-01-01 19000
2004-04-01 19000
2004-07-01 19000
2004-10-01 19000
2005-01-01 18100
2005-04-01 18100
2005-07-01 18100
2005-10-01 18100
2006-01-01 17600
2006-04-01 17600
2006-07-01 17600
2006-10-01 17600
2007-01-01 15900
2007-04-01 18600
2007-07-01 19500
2007-10-01 15300
2008-01-01 13900
2008-04-01 12600
2008-07-01 11700
2008-10-01 12900
2009-01-01 14200
2009-04-01 13500
2009-07-01 11700
2009-10-01 14400
2010-01-01 13200
2010-04-01 12700
2010-07-01 10700
2010-10-01 13200
2011-01-01 13200
2011-04-01 13700
2011-07-01 13000
2011-10-01 12300
2012-01-01 14000
2012-04-01 12700
2012-07-01 12000
2012-10-01 11500
2013-01-01 10900
2013-04-01 10200
2013-07-01 10400
2013-10-01 14900
2014-01-01 12800
2014-04-01 14700
2014-07-01 12700
2014-10-01 12700
2015-01-01 11200
2015-04-01 12700
2015-07-01 12300
2015-10-01 11100
2016-01-01 10900
2016-04-01 11800
2016-07-01 11600
2016-10-01 9900
2017-01-01 9600
2017-04-01 9000
2017-07-01 8900
2017-10-01 9400
2018-01-01 9800
2018-04-01 12600