Year	Thousands of Persons
1970-01-01	2218
1971-01-01	2093
1972-01-01	1996
1973-01-01	1908
1974-01-01	1809
1975-01-01	1716
1976-01-01	1586
1977-01-01	1501
1978-01-01	1463
1979-01-01	1378
1980-01-01	1373
1981-01-01	1335
1982-01-01	1289
1983-01-01	1247
1984-01-01	1209
1985-01-01	1163
1986-01-01	1141
1987-01-01	1093
1988-01-01	1050
1989-01-01	1000
1990-01-01	965
1991-01-01	1514
1992-01-01	1392
1993-01-01	1269
1994-01-01	1187
1995-01-01	1127
1996-01-01	1073
1997-01-01	1035
1998-01-01	1022
1999-01-01	1026
2000-01-01	959
2001-01-01	951
2002-01-01	911
2003-01-01	900
2004-01-01	867
2005-01-01	863
2006-01-01	843
2007-01-01	858
2008-01-01	871
2009-01-01	647
2010-01-01	633
2011-01-01	648
2012-01-01	620