Period	Persons
1967-01-01	5343020
1972-01-01	5825171
1977-01-01	6398937
1982-01-01	7158256
1987-01-01	8140076
1992-01-01	9297116
1997-01-01	10664982
2002-01-01	12296399
2007-01-01	14235075
2012-01-01	16460141