Year	Persons
2005-01-01	18398275
2006-01-01	18361725
2007-01-01	18704225
2008-01-01	18828250
2009-01-01	18708450
2010-01-01	18769175
2011-01-01	18572700
2012-01-01	18085400
2013-01-01	17603100
2014-01-01	17133350
2015-01-01	16744575
2016-01-01	16197325
2017-01-01	15734550