Year Persons 1998-01-01 10750 1999-01-01 12525 2000-01-01 11675 2001-01-01 13775 2002-01-01 13100 2003-01-01 11000 2004-01-01 14650 2005-01-01 12075 2006-01-01 11275 2007-01-01 10775 2008-01-01 10950 2009-01-01 15375 2010-01-01 23150 2011-01-01 31125 2012-01-01 47525 2013-01-01 56950 2014-01-01 60000 2015-01-01 63650 2016-01-01 71375 2017-01-01 66800