Year Persons 2000-01-01 20126475 2001-01-01 20466325 2002-01-01 20788750 2003-01-01 21262800 2004-01-01 21678625 2005-01-01 22007250 2006-01-01 22299325 2007-01-01 22435825 2008-01-01 22728350 2009-01-01 23077200 2010-01-01 23218975 2011-01-01 23351075 2012-01-01 23659925 2013-01-01 24041275 2014-01-01 24522400 2015-01-01 25061475 2016-01-01 25467425 2017-01-01 25799300