Period	Persons
1967-01-01	8684088
1972-01-01	8888628
1977-01-01	9308479
1982-01-01	9789513
1987-01-01	10000595
1992-01-01	10369866
1997-01-01	10776504
2002-01-01	10987543
2007-01-01	11192763
2012-01-01	11092771