Year	Thousands of Persons
1970-01-01	5293
1971-01-01	5329
1972-01-01	5217
1973-01-01	5259
1974-01-01	5420
1975-01-01	5424
1976-01-01	5406
1977-01-01	5437
1978-01-01	5380
1979-01-01	5364
1980-01-01	5433
1981-01-01	5328
1982-01-01	5228
1983-01-01	5074
1984-01-01	4876
1985-01-01	4761
1986-01-01	4715
1987-01-01	4636
1988-01-01	4719
1989-01-01	4726
1990-01-01	4755
1991-01-01	4729
1992-01-01	4676
1993-01-01	5069
1994-01-01	5027
1995-01-01	4963
1996-01-01	4895
1997-01-01	4857
1998-01-01	4934
1999-01-01	4928
2000-01-01	4893
2001-01-01	4865
2002-01-01	4899
2003-01-01	4873
2004-01-01	4843
2005-01-01	4822
2006-01-01	4823
2007-01-01	4868
2008-01-01	4663
2009-01-01	4446
2010-01-01	4264
2011-01-01	4309
2012-01-01	4206