Quarterly Persons
1998-04-01 10900
1999-04-01 10100
2000-04-01 9500
2001-04-01 11100
2002-04-01 11300
2003-01-01 9500
2003-04-01 10900
2003-07-01 11500
2003-10-01 10800
2004-01-01 9600
2004-04-01 12700
2004-07-01 12300
2004-10-01 11400
2005-01-01 11500
2005-04-01 12400
2005-07-01 12100
2005-10-01 12800
2006-01-01 14600
2006-04-01 15500
2006-07-01 14800
2006-10-01 13700
2007-01-01 15100
2007-04-01 16300
2007-07-01 16300
2007-10-01 14900
2008-01-01 16500
2008-04-01 18500
2008-07-01 19900
2008-10-01 15600
2009-01-01 11100
2009-04-01 12100
2009-07-01 12200
2009-10-01 10700
2010-01-01 10500
2010-04-01 11800
2010-07-01 11000
2010-10-01 8800
2011-01-01 8500
2011-04-01 10600
2011-07-01 11300
2011-10-01 9500
2012-01-01 8300
2012-04-01 9500
2012-07-01 10100
2012-10-01 9000
2013-01-01 9800
2013-04-01 10600
2013-07-01 11100
2013-10-01 10600
2014-01-01 10000
2014-04-01 11300
2014-07-01 10300
2014-10-01 10400
2015-01-01 10600
2015-04-01 11800
2015-07-01 12600
2015-10-01 10400
2016-01-01 10500
2016-04-01 13000
2016-07-01 12600
2016-10-01 11200
2017-01-01 10800
2017-04-01 12500
2017-07-01 13200
2017-10-01 13000
2018-01-01 12000
2018-04-01 13000