Year	Thousands of Persons
1965-01-01	0.000
1966-01-01	0.000
1967-01-01	1.000
1968-01-01	2.000
1969-01-01	1.000
1970-01-01	0.000
1971-01-01	1.000
1972-01-01	1.000
1973-01-01	1.000
1974-01-01	0.000
1975-01-01	1.000
1976-01-01	2.000
1977-01-01	2.000
1978-01-01	9.000
1979-01-01	10.000
1980-01-01	12.000
1981-01-01	19.000
1982-01-01	21.000
1983-01-01	30.000
1984-01-01	31.000
1985-01-01	24.000
1986-01-01	34.575
1987-01-01	31.725
1988-01-01	40.450
1989-01-01	50.125
1990-01-01	53.800
1991-01-01	72.025
1992-01-01	72.200
1993-01-01	67.075
1994-01-01	60.675
1995-01-01	51.700
1996-01-01	52.125
1997-01-01	57.650
1998-01-01	64.325
1999-01-01	57.675
2000-01-01	52.050
2001-01-01	48.250
2002-01-01	50.200
2003-01-01	48.475
2004-01-01	44.175
2005-01-01	41.625
2006-01-01	43.100
2007-01-01	41.725
2008-01-01	45.200
2009-01-01	66.450
2010-01-01	74.925
2011-01-01	74.975