Year	Thousands of Persons
1973-01-01	5210
1974-01-01	5290
1975-01-01	5340
1976-01-01	5390
1977-01-01	5480
1978-01-01	5540
1979-01-01	5640
1980-01-01	5870
1981-01-01	6090
1982-01-01	6150
1983-01-01	6120
1984-01-01	6200
1985-01-01	6250
1986-01-01	6380
1987-01-01	6378
1988-01-01	6525
1989-01-01	6605
1990-01-01	6765
1991-01-01	6914
1992-01-01	7033
1993-01-01	6987
1994-01-01	7101
1995-01-01	7339
1996-01-01	7449
1997-01-01	7605
1998-01-01	7737
1999-01-01	7873
2000-01-01	8049
2001-01-01	8208
2002-01-01	8356
2003-01-01	8397
2004-01-01	8459
2005-01-01	8485
2006-01-01	8558
2007-01-01	8700
2008-01-01	8790
2009-01-01	8854
2010-01-01	8697
2011-01-01	8694
2012-01-01	8832