Year Persons 1999-01-01 4950 2000-01-01 6150 2001-01-01 6675 2002-01-01 7250 2003-01-01 5775 2004-01-01 6900 2005-01-01 9575 2006-01-01 9500 2007-01-01 11250 2008-01-01 11975 2009-01-01 16650 2010-01-01 22400 2011-01-01 28075 2012-01-01 25725 2013-01-01 27025 2014-01-01 22825 2015-01-01 21675 2016-01-01 16725 2017-01-01 11900