Period	Persons
1967-01-01	236466
1972-01-01	241367
1977-01-01	247136
1982-01-01	250780
1987-01-01	256500
1992-01-01	260963
1997-01-01	264606
2002-01-01	269524
2007-01-01	276277
2012-01-01	283221