Year Persons 2005-01-01 10272975 2006-01-01 10836850 2007-01-01 11396525 2008-01-01 11852775 2009-01-01 12469700 2010-01-01 13026750 2011-01-01 13771125 2012-01-01 14557325 2013-01-01 15321125 2014-01-01 16088350 2015-01-01 16758200 2016-01-01 17536200 2017-01-01 18304150