Quarter	Persons
2000-04-01	24431400
2001-04-01	24805800
2002-04-01	24134300
2003-04-01	23313400
2004-04-01	22798500
2005-01-01	22585900
2005-04-01	22518700
2005-07-01	22998400
2005-10-01	22371400
2006-01-01	22066600
2006-04-01	21881100
2006-07-01	22163000
2006-10-01	21782900
2007-01-01	21908000
2007-04-01	21778300
2007-07-01	21786200
2007-10-01	21386300
2008-01-01	21413900
2008-04-01	21140500
2008-07-01	21450700
2008-10-01	21046100
2009-01-01	21253700
2009-04-01	21144200
2009-07-01	21582100
2009-10-01	20957200
2010-01-01	20998200
2010-04-01	20708300
2010-07-01	21208100
2010-10-01	20637500
2011-01-01	20914800
2011-04-01	20637200
2011-07-01	21066700
2011-10-01	20414900
2012-01-01	20284500
2012-04-01	20067300
2012-07-01	20531100
2012-10-01	19946500
2013-01-01	20127400
2013-04-01	20081100
2013-07-01	20600200
2013-10-01	20155000
2014-01-01	20395700
2014-04-01	20395700
2014-07-01	20753200
2014-10-01	20071000
2015-01-01	20457100
2015-04-01	20257200
2015-07-01	20783600
2015-10-01	20224900
2016-01-01	20482100
2016-04-01	20111800
2016-07-01	20333200
2016-10-01	20030000
2017-01-01	20290700
2017-04-01	20063000
2017-07-01	20171600
2017-10-01	19874800
2018-01-01	19940000
2018-04-01	19502200