Quarterly Persons
1998-01-01 19468100
1999-01-01 19761400
2000-01-01 20480100
2001-01-01 21092900
2002-01-01 21309100
2003-01-01 21779300
2003-04-01 21849100
2003-07-01 22105600
2003-10-01 21793400
2004-01-01 21857100
2004-04-01 22151900
2004-07-01 22402800
2004-10-01 22055700
2005-01-01 22123400
2005-04-01 22366400
2005-07-01 22479800
2005-10-01 22080800
2006-01-01 22022300
2006-04-01 22188900
2006-07-01 22546600
2006-10-01 22395600
2007-01-01 22395300
2007-04-01 22741300
2007-07-01 23009000
2007-10-01 22949500
2008-01-01 23043300
2008-04-01 23202600
2008-07-01 23374900
2008-10-01 23121800
2009-01-01 22832000
2009-04-01 23009700
2009-07-01 22977600
2009-10-01 22622700
2010-01-01 22635000
2010-04-01 22857800
2010-07-01 22916600
2010-10-01 22669200
2011-01-01 22595700
2011-04-01 22836900
2011-07-01 22913100
2011-10-01 22688700
2012-01-01 22633800
2012-04-01 22902500
2012-07-01 23037100
2012-10-01 22809600
2013-01-01 22666800
2013-04-01 22901700
2013-07-01 23093500
2013-10-01 22831400
2014-01-01 23223600
2014-04-01 23413900
2014-07-01 23381900
2014-10-01 23213700
2015-01-01 23125900
2015-04-01 23404800
2015-07-01 23556800
2015-10-01 23325500
2016-01-01 23281500
2016-04-01 23531800
2016-07-01 23524600
2016-10-01 23402900
2017-01-01 23399900
2017-04-01 23820000
2017-07-01 23866900
2017-10-01 23868900
2018-01-01 23787900
2018-04-01 23970100