Year Persons 1960-01-01 20269000 1961-01-01 20366000 1962-01-01 20270000 1963-01-01 19982000 1964-01-01 19904000 1965-01-01 19432000 1966-01-01 19095000 1967-01-01 19315000 1968-01-01 19294000 1969-01-01 19112000 1970-01-01 19218000 1971-01-01 19176000 1972-01-01 18850000 1973-01-01 19006000 1974-01-01 19392000 1975-01-01 19491000 1976-01-01 19612000 1977-01-01 19791000 1978-01-01 19863000 1979-01-01 20057000 1980-01-01 20313000 1981-01-01 20361000 1982-01-01 20297000 1983-01-01 20350000 1984-01-01 20418000 1985-01-01 20508000 1986-01-01 20614000 1987-01-01 20584000 1988-01-01 20818000 1989-01-01 20833000 1990-01-01 21215000 1991-01-01 21410000 1992-01-01 21270000 1993-01-01 20305197 1994-01-01 19972181 1995-01-01 19851253 1996-01-01 19950717 1997-01-01 20027453 1998-01-01 20435200 1999-01-01 20691600 2000-01-01 21079775 2001-01-01 21514425 2002-01-01 21829275 2003-01-01 22054250 2004-01-01 22362675 2005-01-01 22407025 2006-01-01 22757600 2007-01-01 22894425 2008-01-01 23090350 2009-01-01 22698725 2010-01-01 22526850 2011-01-01 22598225 2012-01-01 22565950 2013-01-01 22190525 2014-01-01 22278925 2015-01-01 22464750 2016-01-01 22757850 2017-01-01 23022950