Quarter	Persons
1999-04-01	424100
1999-07-01	389700
1999-10-01	415200
2000-01-01	421300
2000-04-01	420000
2000-07-01	392000
2000-10-01	424900
2001-01-01	431200
2001-04-01	429600
2001-07-01	397500
2001-10-01	430100
2002-01-01	440800
2002-04-01	445400
2002-07-01	423200
2002-10-01	446500
2003-01-01	454400
2003-04-01	456100
2003-07-01	432200
2003-10-01	451200
2004-01-01	452900
2004-04-01	457900
2004-07-01	430400
2004-10-01	455300
2005-01-01	461900
2005-04-01	457700
2005-07-01	428800
2005-10-01	454000
2006-01-01	456200
2006-04-01	451600
2006-07-01	427900
2006-10-01	451400
2007-01-01	410300
2007-04-01	410900
2007-07-01	400000
2007-10-01	425300
2008-01-01	438200
2008-04-01	432900
2008-07-01	425200
2008-10-01	460300
2009-01-01	489300
2009-04-01	478600
2009-07-01	489000
2009-10-01	515000
2010-01-01	532000
2010-04-01	520600
2010-07-01	518900
2010-10-01	542400
2011-01-01	554300
2011-04-01	541200
2011-07-01	540000
2011-10-01	546200
2012-01-01	560700
2012-04-01	548700
2012-07-01	542000
2012-10-01	562400
2013-01-01	570400
2013-04-01	549500
2013-07-01	539800
2013-10-01	554700
2014-01-01	565300
2014-04-01	558000
2014-07-01	549300
2014-10-01	561200
2015-01-01	567600
2015-04-01	555000
2015-07-01	548200
2015-10-01	567800
2016-01-01	580400
2016-04-01	560400
2016-07-01	552600
2016-10-01	579500
2017-01-01	595600
2017-04-01	586500
2017-07-01	574600
2017-10-01	585600
2018-01-01	596900
2018-04-01	594200