Quarter	Persons
1998-01-01	1749900
1998-04-01	1756700
1998-07-01	1772900
1998-10-01	1753600
1999-01-01	1748900
1999-04-01	1745500
1999-07-01	1745400
1999-10-01	1750100
2000-01-01	1726200
2000-04-01	1730600
2000-07-01	1715600
2000-10-01	1721600
2001-01-01	1699000
2001-04-01	1706800
2001-07-01	1708400
2001-10-01	1696200
2002-01-01	1697500
2002-04-01	1683100
2002-07-01	1664100
2002-10-01	1664900
2003-01-01	1645900
2003-04-01	1650900
2003-07-01	1665300
2003-10-01	1664900
2004-01-01	1669700
2004-04-01	1660000
2004-07-01	1644300
2004-10-01	1635700
2005-01-01	1632800
2005-04-01	1619500
2005-07-01	1603300
2005-10-01	1602100
2006-01-01	1610900
2006-04-01	1600900
2006-07-01	1591000
2006-10-01	1596500
2007-01-01	1585800
2007-04-01	1584500
2007-07-01	1565300
2007-10-01	1567800
2008-01-01	1583300
2008-04-01	1564200
2008-07-01	1565700
2008-10-01	1584300
2009-01-01	1568600
2009-04-01	1582100
2009-07-01	1579800
2009-10-01	1566800
2010-01-01	1546500
2010-04-01	1544100
2010-07-01	1555300
2010-10-01	1566700
2011-01-01	1580600
2011-04-01	1563700
2011-07-01	1591600
2011-10-01	1599100
2012-01-01	1575800
2012-04-01	1564500
2012-07-01	1561100
2012-10-01	1578800
2013-01-01	1591400
2013-04-01	1580000
2013-07-01	1571400
2013-10-01	1554500
2014-01-01	1582900
2014-04-01	1570600
2014-07-01	1557100
2014-10-01	1576900
2015-01-01	1559600
2015-04-01	1555000
2015-07-01	1557600
2015-10-01	1566600
2016-01-01	1569200
2016-04-01	1579900
2016-07-01	1554100
2016-10-01	1552900
2017-01-01	1551900
2017-04-01	1534700
2017-07-01	1515300
2017-10-01	1524600
2018-01-01	1517800
2018-04-01	1502800