Year Persons 1998-01-01 114225 1999-01-01 111100 2000-01-01 91650 2001-01-01 91100 2002-01-01 120525 2003-01-01 158800 2004-01-01 167875 2005-01-01 192425 2006-01-01 190425 2007-01-01 191800 2008-01-01 188200 2009-01-01 252250 2010-01-01 277200 2011-01-01 349075 2012-01-01 431725 2013-01-01 433850 2014-01-01 358825 2015-01-01 319475 2016-01-01 288300 2017-01-01 219875