Year	Thousands of Persons
1971-01-01	8186
1972-01-01	7968
1973-01-01	7948
1974-01-01	7996
1975-01-01	7622
1976-01-01	7381
1977-01-01	7438
1978-01-01	7406
1979-01-01	7333
1980-01-01	7003
1981-01-01	6384
1982-01-01	6023
1983-01-01	5697
1984-01-01	5963
1985-01-01	6015
1986-01-01	6005
1987-01-01	5777
1988-01-01	6046
1989-01-01	5994
1990-01-01	5915
1991-01-01	5888
1992-01-01	5370
1993-01-01	5272
1994-01-01	4788
1995-01-01	4818
1996-01-01	4942
1997-01-01	4379
1998-01-01	4347
1999-01-01	4222
2000-01-01	4057
2001-01-01	3926
2002-01-01	3808
2003-01-01	3543
2004-01-01	3360
2005-01-01	3291
2006-01-01	3242
2007-01-01	3223
2008-01-01	3048
2009-01-01	2788
2010-01-01	2849
2011-01-01	2845
2012-01-01	2890