Period	Persons
1967-01-01	266373
1972-01-01	312823
1977-01-01	374953
1982-01-01	434592
1987-01-01	501192
1992-01-01	528304
1997-01-01	521146
2002-01-01	598455
2007-01-01	679365
2012-01-01	741822