Year	Persons
1999-01-01	13232500
2000-01-01	13729725
2001-01-01	13808425
2002-01-01	14621175
2003-01-01	15309550
2004-01-01	15870000
2005-01-01	16378300
2006-01-01	16966900
2007-01-01	17552175
2008-01-01	18070950
2009-01-01	18378400
2010-01-01	18589100
2011-01-01	18665600
2012-01-01	18680475
2013-01-01	18459750
2014-01-01	18221350
2015-01-01	18026150
2016-01-01	17816000
2017-01-01	17584725