Quarter	Persons
1999-04-01	12934800
1999-07-01	13095800
1999-10-01	13133400
2000-01-01	13085500
2000-04-01	13093900
2000-07-01	13292200
2000-10-01	13231900
2001-01-01	13144700
2001-04-01	13146000
2001-07-01	13274200
2001-10-01	13329000
2002-01-01	13248300
2002-04-01	13344500
2002-07-01	13459600
2002-10-01	13464800
2003-01-01	13379300
2003-04-01	13406500
2003-07-01	13525300
2003-10-01	13577000
2004-01-01	13581600
2004-04-01	13593700
2004-07-01	13646000
2004-10-01	13726100
2005-01-01	13801300
2005-04-01	13760600
2005-07-01	13898800
2005-10-01	13916200
2006-01-01	14032500
2006-04-01	14068800
2006-07-01	14164300
2006-10-01	14142100
2007-01-01	14078000
2007-04-01	14084100
2007-07-01	14248000
2007-10-01	14286400
2008-01-01	14273300
2008-04-01	14303900
2008-07-01	14441500
2008-10-01	14424500
2009-01-01	14442100
2009-04-01	14435000
2009-07-01	14570500
2009-10-01	14582900
2010-01-01	14510300
2010-04-01	14538100
2010-07-01	14717300
2010-10-01	14640300
2011-01-01	14704000
2011-04-01	14674300
2011-07-01	14804400
2011-10-01	14804800
2012-01-01	14771800
2012-04-01	14788400
2012-07-01	14967000
2012-10-01	15024600
2013-01-01	14987700
2013-04-01	14974800
2013-07-01	15136600
2013-10-01	15145000
2014-01-01	15149200
2014-04-01	15182700
2014-07-01	15304000
2014-10-01	15297000
2015-01-01	15307800
2015-04-01	15308200
2015-07-01	15447100
2015-10-01	15415700
2016-01-01	15392600
2016-04-01	15462100
2016-07-01	15590400
2016-10-01	15604000
2017-01-01	15582700
2017-04-01	15613200
2017-07-01	15726600
2017-10-01	15758900
2018-01-01	15809400
2018-04-01	15770500