Year	Thousands of Persons
1971-01-01	746
1972-01-01	701
1973-01-01	713
1974-01-01	667
1975-01-01	665
1976-01-01	661
1977-01-01	661
1978-01-01	665
1979-01-01	648
1980-01-01	621
1981-01-01	628
1982-01-01	616
1983-01-01	611
1984-01-01	601
1985-01-01	539
1986-01-01	518
1987-01-01	553
1988-01-01	571
1989-01-01	561
1990-01-01	538
1991-01-01	573
1992-01-01	535
1993-01-01	482
1994-01-01	511
1995-01-01	517
1996-01-01	497
1997-01-01	409
1998-01-01	368
1999-01-01	338
2000-01-01	330
2001-01-01	300
2002-01-01	273
2003-01-01	270
2004-01-01	267
2005-01-01	285
2006-01-01	283
2007-01-01	295
2008-01-01	316
2009-01-01	320
2010-01-01	351
2011-01-01	354
2012-01-01	349