Period	Persons
1967-01-01	86172
1972-01-01	130390
1977-01-01	182404
1982-01-01	277245
1987-01-01	423300
1992-01-01	489606
1997-01-01	529491
2002-01-01	629745
2007-01-01	1152459
2012-01-01	2050514