Period	Persons
1967-01-01	4832098
1972-01-01	5393176
1977-01-01	5882395
1982-01-01	6362289
1987-01-01	6886428
1992-01-01	7382000
1997-01-01	7838250
2002-01-01	8171950
2007-01-01	8581300
2012-01-01	9295784