Quarter	Persons
1999-01-01	19016000
2000-01-01	19440600
2001-01-01	19778400
2002-01-01	19669100
2003-01-01	20051800
2003-04-01	20063200
2003-07-01	20029800
2003-10-01	19951600
2004-01-01	19922700
2004-04-01	20090100
2004-07-01	19983300
2004-10-01	19955800
2005-01-01	19980900
2005-04-01	20026100
2005-07-01	20039600
2005-10-01	19950100
2006-01-01	19960200
2006-04-01	20097900
2006-07-01	20186500
2006-10-01	20234100
2007-01-01	20175400
2007-04-01	20336200
2007-07-01	20378500
2007-10-01	20448800
2008-01-01	20507800
2008-04-01	20651900
2008-07-01	20588300
2008-10-01	20546200
2009-01-01	20313200
2009-04-01	20360900
2009-07-01	20263100
2009-10-01	20159200
2010-01-01	20159400
2010-04-01	20261100
2010-07-01	20267900
2010-10-01	20136400
2011-01-01	20088500
2011-04-01	20138600
2011-07-01	20073600
2011-10-01	19981100
2012-01-01	19868700
2012-04-01	19999500
2012-07-01	19938100
2012-10-01	19860800
2013-01-01	19710300
2013-04-01	19877600
2013-07-01	19906100
2013-10-01	19817700
2014-01-01	20168300
2014-04-01	20261100
2014-07-01	20184600
2014-10-01	20112000
2015-01-01	19933100
2015-04-01	20052500
2015-07-01	20100500
2015-10-01	20037900
2016-01-01	19977100
2016-04-01	20113000
2016-07-01	20159700
2016-10-01	20012100
2017-01-01	19907700
2017-04-01	20203600
2017-07-01	20146300
2017-10-01	20155900
2018-01-01	20041200
2018-04-01	20216000