Year Thousands of Persons 1965-01-01 3346.500 1966-01-01 3362.500 1967-01-01 3412.500 1968-01-01 3474 1969-01-01 3548 1970-01-01 3643.500 1971-01-01 3707.500 1972-01-01 3758.500 1973-01-01 3825.500 1974-01-01 3868.750 1975-01-01 3831 1976-01-01 3863 1977-01-01 3879 1978-01-01 3884.019 1979-01-01 3932.371 1980-01-01 3997.748 1981-01-01 4073.078 1982-01-01 4057.550 1983-01-01 3946.847 1984-01-01 4042.370 1985-01-01 4126.372 1986-01-01 4234.265 1987-01-01 4290.990 1988-01-01 4423.410 1989-01-01 4566.017 1990-01-01 4600.225 1991-01-01 4452.626 1992-01-01 4405.668 1993-01-01 4420.526 1994-01-01 4545.429 1995-01-01 4687.118 1996-01-01 4741.177 1997-01-01 4780.973 1998-01-01 4873.833 1999-01-01 4941.415 2000-01-01 5026.978 2001-01-01 5049.343 2002-01-01 5146.831 2003-01-01 5241.558 2004-01-01 5354.392 2005-01-01 5507.208 2006-01-01 5630.999 2007-01-01 5808.438 2008-01-01 5956.362 2009-01-01 5958.235 2010-01-01 6147.692 2011-01-01 6231.288