Quarterly Persons
1998-01-01 31600
1998-04-01 54800
1998-07-01 27900
1998-10-01 22300
1999-01-01 33000
1999-04-01 56900
1999-07-01 23700
1999-10-01 25500
2000-01-01 38300
2000-04-01 56700
2000-07-01 24100
2000-10-01 24900
2001-01-01 31400
2001-04-01 52500
2001-07-01 23100
2001-10-01 24200
2002-01-01 33900
2002-04-01 57500
2002-07-01 23100
2002-10-01 24000
2003-01-01 37300
2003-04-01 54100
2003-07-01 26200
2003-10-01 23600
2004-01-01 35100
2004-04-01 52300
2004-07-01 25600
2004-10-01 25700
2005-01-01 32600
2005-04-01 53000
2005-07-01 23700
2005-10-01 22700
2006-01-01 33200
2006-04-01 50900
2006-07-01 22100
2006-10-01 19000
2007-01-01 30200
2007-04-01 42100
2007-07-01 18000
2007-10-01 20400
2008-01-01 25600
2008-04-01 47700
2008-07-01 19500
2008-10-01 22700
2009-01-01 34200
2009-04-01 61900
2009-07-01 26900
2009-10-01 29700
2010-01-01 40200
2010-04-01 57300
2010-07-01 24700
2010-10-01 28200
2011-01-01 33300
2011-04-01 54400
2011-07-01 26800
2011-10-01 25200
2012-01-01 34300
2012-04-01 48400
2012-07-01 23500
2012-10-01 23900
2013-01-01 37000
2013-04-01 59800
2013-07-01 26200
2013-10-01 25100
2014-01-01 38700
2014-04-01 53300
2014-07-01 26000
2014-10-01 30300
2015-01-01 41100
2015-04-01 64300
2015-07-01 29000
2015-10-01 26200
2016-01-01 36900
2016-04-01 51700
2016-07-01 24600
2016-10-01 24800
2017-01-01 34400
2017-04-01 52900
2017-07-01 25200
2017-10-01 21700
2018-01-01 30400
2018-04-01 39900