Year Persons 1998-01-01 15850200 1999-01-01 15615450 2000-01-01 15403075 2001-01-01 15216850 2002-01-01 15044700 2003-01-01 14895125 2004-01-01 14187775 2005-01-01 14379950 2006-01-01 14339200 2007-01-01 14456100 2008-01-01 14356550 2009-01-01 14684950 2010-01-01 14825325 2011-01-01 14842600 2012-01-01 14275275 2013-01-01 14355250 2014-01-01 14121775 2015-01-01 14037850 2016-01-01 13627750 2017-01-01 13386100