Year	Persons
1999-01-01	16258725
2000-01-01	16503800
2001-01-01	16773550
2002-01-01	17147925
2003-01-01	17487025
2004-01-01	17790550
2005-01-01	18158700
2006-01-01	18443425
2007-01-01	18814750
2008-01-01	19108325
2009-01-01	19216100
2010-01-01	19245300
2011-01-01	19243325
2012-01-01	19207425
2013-01-01	19080500
2014-01-01	19002625
2015-01-01	19004525
2016-01-01	19002300
2017-01-01	19050650