Year	Persons
2006-01-01	15089825
2007-01-01	15439175
2008-01-01	15801875
2009-01-01	15919525
2010-01-01	16955875
2011-01-01	17995125
2012-01-01	18648100
2013-01-01	19194925
2014-01-01	19321775
2015-01-01	19756850
2016-01-01	20125700
2017-01-01	20841275