Year Persons 1960-01-01 32500 1961-01-01 33700 1962-01-01 35000 1963-01-01 36400 1964-01-01 37600 1965-01-01 39200 1966-01-01 40500 1967-01-01 41900 1968-01-01 43400 1969-01-01 44900 1970-01-01 46400 1971-01-01 47200 1972-01-01 48300 1973-01-01 49000 1974-01-01 49500 1975-01-01 49600 1976-01-01 49700 1977-01-01 49400 1978-01-01 49200 1979-01-01 49600 1980-01-01 50200 1981-01-01 51000 1982-01-01 51500 1983-01-01 52100 1984-01-01 52700 1985-01-01 53200 1986-01-01 53500 1987-01-01 54100 1988-01-01 54800 1989-01-01 55300 1990-01-01 55600 1991-01-01 55500 1992-01-01 55300 1993-01-01 55200 1994-01-01 55500 1995-01-01 55800 1996-01-01 55900 1997-01-01 56000 1998-01-01 56100 1999-01-01 56100 2000-01-01 56200 2001-01-01 56350 2002-01-01 56609 2003-01-01 56765 2004-01-01 56911 2005-01-01 56935 2006-01-01 56774 2007-01-01 56555 2008-01-01 56328 2009-01-01 56323 2010-01-01 56905 2011-01-01 56890 2012-01-01 56810 2013-01-01 56483 2014-01-01 56295 2015-01-01 56114 2016-01-01 56186 2017-01-01 56171