Year Persons 1999-01-01 48550 2000-01-01 44100 2001-01-01 34425 2002-01-01 33025 2003-01-01 31850 2004-01-01 33325 2005-01-01 38175 2006-01-01 35625 2007-01-01 32225 2008-01-01 33600 2009-01-01 47475 2010-01-01 46475 2011-01-01 43875 2012-01-01 48500 2013-01-01 46550 2014-01-01 37875 2015-01-01 35375 2016-01-01 25650 2017-01-01 18950