Quarterly Persons
1999-04-01 8600
2000-04-01 8300
2001-04-01 8900
2002-04-01 9700
2003-01-01 9600
2003-04-01 9800
2003-07-01 9800
2003-10-01 9600
2004-01-01 10200
2004-04-01 9500
2004-07-01 9700
2004-10-01 10400
2005-01-01 10500
2005-04-01 10700
2005-07-01 10700
2005-10-01 11400
2006-01-01 11200
2006-04-01 11300
2006-07-01 11300
2006-10-01 11500
2007-01-01 12000
2007-04-01 11700
2007-07-01 11900
2007-10-01 12200
2008-01-01 11900
2008-04-01 12600
2008-07-01 11700
2008-10-01 11700
2009-01-01 11800
2009-04-01 11600
2009-07-01 12400
2009-10-01 12800
2010-01-01 12400
2010-04-01 12300
2010-07-01 13100
2010-10-01 12800
2011-01-01 12800
2011-04-01 12400
2011-07-01 13600
2011-10-01 13400
2012-01-01 12900
2012-04-01 13000
2012-07-01 13500
2012-10-01 13400
2013-01-01 13300
2013-04-01 13600
2013-07-01 13800
2013-10-01 13500
2014-01-01 14300
2014-04-01 14900
2014-07-01 15400
2014-10-01 15200
2015-01-01 15300
2015-04-01 15000
2015-07-01 15500
2015-10-01 15100
2016-01-01 15800
2016-04-01 14900
2016-07-01 15400
2016-10-01 15400
2017-01-01 15500
2017-04-01 15400
2017-07-01 15700
2017-10-01 15400
2018-01-01 14900
2018-04-01 15100