Year	Thousands of Persons
1970-01-01	476
1971-01-01	535
1972-01-01	553
1973-01-01	515
1974-01-01	514
1975-01-01	690
1976-01-01	716
1977-01-01	836
1978-01-01	898
1979-01-01	831
1980-01-01	854
1981-01-01	887
1982-01-01	1298
1983-01-01	1437
1984-01-01	1377
1985-01-01	1293
1986-01-01	1205
1987-01-01	1123
1988-01-01	999
1989-01-01	982
1990-01-01	1083
1991-01-01	1386
1992-01-01	1507
1993-01-01	1533
1994-01-01	1372
1995-01-01	1246
1996-01-01	1282
1997-01-01	1247
1998-01-01	1160
1999-01-01	1072
2000-01-01	955
2001-01-01	1026
2002-01-01	1146
2003-01-01	1146
2004-01-01	1091
2005-01-01	1024
2006-01-01	949
2007-01-01	922
2008-01-01	951
2009-01-01	1326
2010-01-01	1294
2011-01-01	1196
2012-01-01	1171