Quarter	Persons
1998-04-01	1550600
1999-01-01	1561400
1999-04-01	1560100
1999-07-01	1565600
1999-10-01	1568200
2000-01-01	1572000
2000-04-01	1575700
2000-07-01	1577400
2000-10-01	1575600
2001-01-01	1574700
2001-04-01	1577600
2001-07-01	1580200
2001-10-01	1583800
2002-01-01	1580900
2002-04-01	1579100
2002-07-01	1583800
2002-10-01	1581100
2003-01-01	1583300
2003-04-01	1583300
2003-07-01	1590200
2003-10-01	1592600
2004-01-01	1592800
2004-04-01	1592800
2004-07-01	1596600
2004-10-01	1592000
2005-01-01	1587000
2005-04-01	1593900
2005-07-01	1593200
2005-10-01	1591600
2006-01-01	1592000
2006-04-01	1590700
2006-07-01	1597500
2006-10-01	1596500
2007-01-01	1598800
2007-04-01	1594900
2007-07-01	1606900
2007-10-01	1606300
2008-01-01	1606800
2008-04-01	1605500
2008-07-01	1619400
2008-10-01	1620000
2009-01-01	1603300
2009-04-01	1602800
2009-07-01	1610200
2009-10-01	1612900
2010-01-01	1612600
2010-04-01	1611400
2010-07-01	1611300
2010-10-01	1608100
2011-01-01	1613100
2011-04-01	1605000
2011-07-01	1602700
2011-10-01	1606100
2012-01-01	1600700
2012-04-01	1601800
2012-07-01	1603900
2012-10-01	1601900
2013-01-01	1600100
2013-04-01	1594600
2013-07-01	1591800
2013-10-01	1596400
2014-01-01	1589700
2014-04-01	1589000
2014-07-01	1590600
2014-10-01	1588800
2015-01-01	1586800
2015-04-01	1590300
2015-07-01	1581000
2015-10-01	1584300
2016-01-01	1584300
2016-04-01	1580600
2016-07-01	1580100
2016-10-01	1576700
2017-01-01	1578000
2017-04-01	1581400
2017-07-01	1576400
2017-10-01	1572900
2018-01-01	1569500
2018-04-01	1572300