Year	Persons
1999-01-01	16141075
2000-01-01	15991875
2001-01-01	16444575
2002-01-01	16214375
2003-01-01	16064450
2004-01-01	15995725
2005-01-01	15888925
2006-01-01	15807125
2007-01-01	15858450
2008-01-01	15785725
2009-01-01	15835925
2010-01-01	15831075
2011-01-01	15832850
2012-01-01	15795225
2013-01-01	15874950
2014-01-01	15998700
2015-01-01	16042650
2016-01-01	16179975
2017-01-01	16393375