Year Persons 2000-01-01 27306825 2001-01-01 27573425 2002-01-01 27772625 2003-01-01 28042850 2004-01-01 28353750 2005-01-01 28672575 2006-01-01 28974075 2007-01-01 29190750 2008-01-01 29450625 2009-01-01 28994100 2010-01-01 29042200 2011-01-01 29185600 2012-01-01 29484175 2013-01-01 29848300 2014-01-01 30533875 2015-01-01 31044800 2016-01-01 31484750 2017-01-01 31830625