Quarterly Persons
1999-04-01 13400
2000-04-01 13100
2001-04-01 13700
2002-04-01 13600
2003-01-01 13500
2003-04-01 13500
2003-07-01 13500
2003-10-01 13500
2004-01-01 14200
2004-04-01 14200
2004-07-01 14200
2004-10-01 14200
2005-01-01 14400
2005-04-01 14400
2005-07-01 14400
2005-10-01 14400
2006-01-01 14700
2006-04-01 14700
2006-07-01 14700
2006-10-01 14700
2007-01-01 15700
2007-04-01 14400
2007-07-01 14700
2007-10-01 15500
2008-01-01 16700
2008-04-01 14100
2008-07-01 14500
2008-10-01 15000
2009-01-01 13400
2009-04-01 11900
2009-07-01 14200
2009-10-01 15300
2010-01-01 13900
2010-04-01 13200
2010-07-01 14200
2010-10-01 14000
2011-01-01 14100
2011-04-01 15300
2011-07-01 13800
2011-10-01 14400
2012-01-01 14500
2012-04-01 15700
2012-07-01 15300
2012-10-01 14400
2013-01-01 14000
2013-04-01 14600
2013-07-01 14600
2013-10-01 15100
2014-01-01 15700
2014-04-01 13500
2014-07-01 14800
2014-10-01 14200
2015-01-01 16500
2015-04-01 16600
2015-07-01 19300
2015-10-01 18600
2016-01-01 17100
2016-04-01 16700
2016-07-01 17900
2016-10-01 17200
2017-01-01 17600
2017-04-01 18400
2017-07-01 19500
2017-10-01 19600
2018-01-01 19600
2018-04-01 19800