Year	Persons
2006-01-01	16534075
2007-01-01	16807925
2008-01-01	17171225
2009-01-01	17520100
2010-01-01	17953900
2011-01-01	18586750
2012-01-01	18867575
2013-01-01	19327925
2014-01-01	19964100
2015-01-01	20361350
2016-01-01	20802825
2017-01-01	21389125