Year	Thousands of Persons
1956-01-01	0.000
1957-01-01	0.000
1958-01-01	1.000
1959-01-01	1.000
1960-01-01	1.000
1961-01-01	0.000
1962-01-01	1.000
1963-01-01	1.000
1964-01-01	1.000
1965-01-01	1.000
1966-01-01	1.000
1967-01-01	1.000
1968-01-01	8.000
1969-01-01	3.000
1970-01-01	1.000
1971-01-01	2.000
1972-01-01	5.000
1973-01-01	2.000
1974-01-01	1.000
1975-01-01	3.000
1976-01-01	4.000
1977-01-01	4.000
1978-01-01	21.000
1979-01-01	25.000
1980-01-01	29.000
1981-01-01	47.000
1982-01-01	47.000
1983-01-01	76.000
1984-01-01	78.000
1985-01-01	58.000
1986-01-01	70.350
1987-01-01	70.975
1988-01-01	95.625
1989-01-01	120.125
1990-01-01	132.775
1991-01-01	178.800
1992-01-01	180.375
1993-01-01	167.300
1994-01-01	146.975
1995-01-01	116.425
1996-01-01	117.025
1997-01-01	128.600
1998-01-01	145.175
1999-01-01	133.700
2000-01-01	117.725
2001-01-01	106.275
2002-01-01	106.400
2003-01-01	97.775
2004-01-01	84.875
2005-01-01	82.525
2006-01-01	85.450
2007-01-01	82.775
2008-01-01	95.050
2009-01-01	141.425
2010-01-01	152.225
2011-01-01	154.575