Year Persons 2007-01-01 3725 2008-01-01 3825 2009-01-01 6100 2010-01-01 5675 2011-01-01 7050 2012-01-01 8525 2013-01-01 12775 2014-01-01 13475 2015-01-01 20375 2016-01-01 19400 2017-01-01 21900