Quarter	Persons
1998-04-01	3217800
1999-04-01	3215900
2000-04-01	3218500
2001-04-01	3218100
2002-04-01	3239900
2003-04-01	3256000
2004-04-01	3265200
2005-04-01	3276800
2006-04-01	3286900
2007-04-01	3303600
2008-04-01	3342700
2009-04-01	3392300
2010-01-01	3420500
2010-04-01	3422800
2010-07-01	3426300
2010-10-01	3430800
2011-01-01	3437900
2011-04-01	3439600
2011-07-01	3451700
2011-10-01	3460400
2012-01-01	3470700
2012-04-01	3476100
2012-07-01	3484200
2012-10-01	3492000
2013-01-01	3500200
2013-04-01	3508900
2013-07-01	3517600
2013-10-01	3529600
2014-01-01	3537300
2014-04-01	3543900
2014-07-01	3552600
2014-10-01	3563300
2015-01-01	3574200
2015-04-01	3577000
2015-07-01	3583800
2015-10-01	3591100
2016-01-01	3597400
2016-04-01	3599300
2016-07-01	3603300
2016-10-01	3609000
2017-01-01	3612600
2017-04-01	3613600
2017-07-01	3615300
2017-10-01	3616900
2018-01-01	3620900
2018-04-01	3619200