Year	Thousands of Persons
1956-01-01	63.000
1957-01-01	78.000
1958-01-01	73.000
1959-01-01	69.000
1960-01-01	63.000
1961-01-01	71.100
1962-01-01	54.000
1963-01-01	56.000
1964-01-01	53.000
1965-01-01	51.000
1966-01-01	66.500
1967-01-01	56.000
1968-01-01	60.000
1969-01-01	56.000
1970-01-01	65.000
1971-01-01	78.000
1972-01-01	69.000
1973-01-01	64.000
1974-01-01	61.000
1975-01-01	109.200
1976-01-01	105.000
1977-01-01	104.600
1978-01-01	99.000
1979-01-01	84.300
1980-01-01	91.000
1981-01-01	133.400
1982-01-01	148.000
1983-01-01	183.500
1984-01-01	203.800
1985-01-01	220.000
1986-01-01	226.000
1987-01-01	224.600
1988-01-01	215.400
1989-01-01	196.800
1990-01-01	172.400
1991-01-01	198.500
1992-01-01	206.600
1993-01-01	220.100
1994-01-01	211.000
1995-01-01	177.400
1996-01-01	179.000
1997-01-01	159.000
1998-01-01	124.525
1999-01-01	96.025
2000-01-01	76.575
2001-01-01	71.200
2002-01-01	82.675
2003-01-01	90.100
2004-01-01	88.700
2005-01-01	88.600
2006-01-01	94.400
2007-01-01	101.375
2008-01-01	134.700
2009-01-01	258.375
2010-01-01	291.425
2011-01-01	303.975