Year Persons 2000-01-01 14472225 2001-01-01 14156650 2002-01-01 13734800 2003-01-01 13573475 2004-01-01 13743750 2005-01-01 14068150 2006-01-01 14554375 2007-01-01 15200775 2008-01-01 15757650 2009-01-01 15824475 2010-01-01 15432400 2011-01-01 15518775 2012-01-01 15549750 2013-01-01 15531825 2014-01-01 15826075 2015-01-01 16052625 2016-01-01 16163275 2017-01-01 16390750