Year	Thousands of Persons
1971-01-01	10181
1972-01-01	10016
1973-01-01	10102
1974-01-01	10057
1975-01-01	9625
1976-01-01	9347
1977-01-01	9333
1978-01-01	9310
1979-01-01	9307
1980-01-01	8992
1981-01-01	8294
1982-01-01	7847
1983-01-01	7531
1984-01-01	8021
1985-01-01	8019
1986-01-01	7927
1987-01-01	7825
1988-01-01	8122
1989-01-01	8286
1990-01-01	8192
1991-01-01	8053
1992-01-01	7265
1993-01-01	7067
1994-01-01	6723
1995-01-01	6718
1996-01-01	6819
1997-01-01	6422
1998-01-01	6427
1999-01-01	6316
2000-01-01	6202
2001-01-01	6141
2002-01-01	6043
2003-01-01	5876
2004-01-01	5792
2005-01-01	5799
2006-01-01	5826
2007-01-01	5879
2008-01-01	5711
2009-01-01	5263
2010-01-01	5173
2011-01-01	5139
2012-01-01	5169