Year	Persons
1999-01-01	20217200
2000-01-01	20382150
2001-01-01	20602000
2002-01-01	20938250
2003-01-01	21286800
2004-01-01	21596925
2005-01-01	21936875
2006-01-01	22271875
2007-01-01	22675175
2008-01-01	23014775
2009-01-01	23215550
2010-01-01	23330225
2011-01-01	23431250
2012-01-01	23471175
2013-01-01	23417225
2014-01-01	23366800