Year Persons 2003-01-01 26863900 2004-01-01 27089600 2005-01-01 27292250 2006-01-01 27458425 2007-01-01 27692400 2008-01-01 27878900 2009-01-01 28117650 2010-01-01 28215625 2011-01-01 28227975 2012-01-01 28462325 2013-01-01 28606975 2014-01-01 29382175 2015-01-01 29450850 2016-01-01 29532600 2017-01-01 29638325