Quarter	Persons
1999-04-01	28126800
1999-07-01	28503400
1999-10-01	28484800
2000-01-01	28341800
2000-04-01	28401200
2000-07-01	28719000
2000-10-01	28602100
2001-01-01	28507300
2001-04-01	28462700
2001-07-01	28788300
2001-10-01	28784300
2002-01-01	28618200
2002-04-01	28710800
2002-07-01	29022600
2002-10-01	29034000
2003-01-01	28869000
2003-04-01	28922300
2003-07-01	29218900
2003-10-01	29174100
2004-01-01	29148300
2004-04-01	29113300
2004-07-01	29346600
2004-10-01	29455800
2005-01-01	29481300
2005-04-01	29373000
2005-07-01	29719500
2005-10-01	29762200
2006-01-01	29824700
2006-04-01	29933100
2006-07-01	30269500
2006-10-01	30154400
2007-01-01	30028000
2007-04-01	30077200
2007-07-01	30427000
2007-10-01	30411200
2008-01-01	30377700
2008-04-01	30446500
2008-07-01	30747600
2008-10-01	30705000
2009-01-01	30655400
2009-04-01	30558700
2009-07-01	30800000
2009-10-01	30650200
2010-01-01	30509200
2010-04-01	30575900
2010-07-01	30996600
2010-10-01	30830100
2011-01-01	30799100
2011-04-01	30839000
2011-07-01	31106600
2011-10-01	31027300
2012-01-01	30926700
2012-04-01	31020900
2012-07-01	31357600
2012-10-01	31339000
2013-01-01	31160300
2013-04-01	31179200
2013-07-01	31538100
2013-10-01	31458400
2014-01-01	31407300
2014-04-01	31422900
2014-07-01	31704400
2014-10-01	31595400
2015-01-01	31569700
2015-04-01	31577300
2015-07-01	31919800
2015-10-01	31901000
2016-01-01	31843600
2016-04-01	31916200
2016-07-01	32154600
2016-10-01	32105800
2017-01-01	32079900
2017-04-01	32157900
2017-07-01	32291400
2017-10-01	32327400
2018-01-01	32386100
2018-04-01	32299800