Year Persons 2003-01-01 9700 2004-01-01 9950 2005-01-01 10825 2006-01-01 11325 2007-01-01 11950 2008-01-01 11975 2009-01-01 12150 2010-01-01 12650 2011-01-01 13050 2012-01-01 13200 2013-01-01 13550 2014-01-01 14950 2015-01-01 15225 2016-01-01 15375 2017-01-01 15500