Year Persons 1983-01-01 66750 1984-01-01 63500 1985-01-01 52000 1986-01-01 46250 1987-01-01 40750 1988-01-01 35250 1989-01-01 30250 1990-01-01 26500 1991-01-01 28250 1992-01-01 32750 1993-01-01 47750 1994-01-01 54000 1995-01-01 49250 1996-01-01 43250 1997-01-01 42000 1998-01-01 46750 1999-01-01 43750 2000-01-01 35000 2001-01-01 40000 2002-01-01 42500 2003-01-01 54250 2004-01-01 48750 2005-01-01 50750 2006-01-01 45750 2007-01-01 40000 2008-01-01 40750 2009-01-01 49500 2010-01-01 52500 2011-01-01 42750 2012-01-01 48000 2013-01-01 56000 2014-01-01 51750 2015-01-01 52000 2016-01-01 44250 2017-01-01 41000