Year	Thousands of Persons
1971-01-01	5824
1972-01-01	5909
1973-01-01	6018
1974-01-01	6061
1975-01-01	5953
1976-01-01	5884
1977-01-01	5874
1978-01-01	5793
1979-01-01	5714
1980-01-01	5635
1981-01-01	5502
1982-01-01	5409
1983-01-01	5331
1984-01-01	5189
1985-01-01	5049
1986-01-01	4935
1987-01-01	4828
1988-01-01	4766
1989-01-01	4788
1990-01-01	4814
1991-01-01	4747
1992-01-01	4594
1993-01-01	4405
1994-01-01	4290
1995-01-01	4276
1996-01-01	4243
1997-01-01	4204
1998-01-01	4202
1999-01-01	4202
2000-01-01	4241
2001-01-01	4280
2002-01-01	4234
2003-01-01	4141
2004-01-01	4074
2005-01-01	4024
2006-01-01	3987
2007-01-01	3966
2008-01-01	3741
2009-01-01	3525
2010-01-01	3384
2011-01-01	3412
2012-01-01	3321