Year	Thousands of Persons
1960-01-01	9.000
1965-01-01	6.000
1967-01-01	9.000
1969-01-01	11.000
1970-01-01	6.000
1971-01-01	8.000
1972-01-01	8.000
1973-01-01	11.000
1974-01-01	37.000
1975-01-01	52.000
1976-01-01	71.000
1977-01-01	97.000
1978-01-01	112.000
1979-01-01	95.000
1980-01-01	84.000
1981-01-01	127.000
1982-01-01	136.000
1983-01-01	153.000
1984-01-01	119.000
1985-01-01	111.000
1986-01-01	92.000
1987-01-01	79.000
1988-01-01	96.000
1989-01-01	117.000
1990-01-01	120.000
1991-01-01	135.000
1992-01-01	134.000
1993-01-01	150.000
1994-01-01	115.000
1995-01-01	104.000
1996-01-01	107.000
1997-01-01	99.000
1998-01-01	87.000
1999-01-01	87.250
2000-01-01	69.775
2001-01-01	68.200
2002-01-01	66.300
2003-01-01	80.700
2004-01-01	81.175
2005-01-01	71.450
2006-01-01	62.150
2007-01-01	57.475
2008-01-01	51.825
2009-01-01	73.875
2010-01-01	89.250
2011-01-01	103.400