Quarter	Persons
2006-01-01	18442500
2006-04-01	20308900
2006-07-01	20647300
2006-10-01	20139800
2007-01-01	19191100
2007-04-01	20743400
2007-07-01	20958900
2007-10-01	19981300
2008-01-01	19395500
2008-04-01	21236200
2008-07-01	21438800
2008-10-01	20462800
2009-01-01	19250300
2009-04-01	20871200
2009-07-01	21514900
2009-10-01	21153900
2010-01-01	20690500
2010-04-01	22455500
2010-07-01	22609500
2010-10-01	22254800
2011-01-01	22169700
2011-04-01	23777700
2011-07-01	24222700
2011-10-01	23630000
2012-01-01	22730400
2012-04-01	24588500
2012-07-01	24726400
2012-10-01	24638400
2013-01-01	23894400
2013-04-01	25446600
2013-07-01	25296800
2013-10-01	24784100
2014-01-01	24374400
2014-04-01	25852100
2014-07-01	25632300
2014-10-01	25170200
2015-01-01	24848100
2015-04-01	26324400
2015-07-01	26426500
2015-10-01	25942900
2016-01-01	25717100
2016-04-01	27103500
2016-07-01	26737100
2016-10-01	26329600
2017-01-01	26168800
2017-04-01	27683100
2017-07-01	27992400
2017-10-01	27727600
2018-01-01	27329800
2018-04-01	28275000