Quarter	Persons
1998-04-01	1229000
1999-04-01	1250200
1999-07-01	1256400
1999-10-01	1266900
2000-01-01	1269400
2000-04-01	1274600
2000-07-01	1280000
2000-10-01	1294000
2001-01-01	1296800
2001-04-01	1302400
2001-07-01	1309500
2001-10-01	1320300
2002-01-01	1325800
2002-04-01	1333000
2002-07-01	1339000
2002-10-01	1348400
2003-01-01	1354000
2003-04-01	1356900
2003-07-01	1362300
2003-10-01	1371100
2004-01-01	1375900
2004-04-01	1381600
2004-07-01	1388700
2004-10-01	1401100
2005-01-01	1409500
2005-04-01	1418500
2005-07-01	1429100
2005-10-01	1443400
2006-01-01	1461600
2006-04-01	1469300
2006-07-01	1481400
2006-10-01	1492100
2007-01-01	1517500
2007-04-01	1530400
2007-07-01	1537400
2007-10-01	1544900
2008-01-01	1551400
2008-04-01	1554900
2008-07-01	1554700
2008-10-01	1554600
2009-01-01	1554500
2009-04-01	1554400
2009-07-01	1547100
2009-10-01	1546000
2010-01-01	1543300
2010-04-01	1538500
2010-07-01	1537100
2010-10-01	1533600
2011-01-01	1532400
2011-04-01	1527800
2011-07-01	1526200
2011-10-01	1523400
2012-01-01	1520600
2012-04-01	1518000
2012-07-01	1517800
2012-10-01	1517400
2013-01-01	1517100
2013-04-01	1516700
2013-07-01	1516900
2013-10-01	1517000
2014-01-01	1516900
2014-04-01	1517000
2014-07-01	1518500
2014-10-01	1519900
2015-01-01	1521500
2015-04-01	1523100
2015-07-01	1527800
2015-10-01	1531900
2016-01-01	1535200
2016-04-01	1539200
2016-07-01	1544400
2016-10-01	1547800
2017-01-01	1550500
2017-04-01	1554000
2017-07-01	1557800
2017-10-01	1565300
2018-01-01	1564300
2018-04-01	1574300