Year Persons 2006-01-01 4067875 2007-01-01 4089275 2008-01-01 4231900 2009-01-01 3866650 2010-01-01 4213200 2011-01-01 4366200 2012-01-01 4419250 2013-01-01 4631775 2014-01-01 4934675 2015-01-01 4965950 2016-01-01 4918375 2017-01-01 4971525