Period	Persons
1967-01-01	591304
1972-01-01	628000
1977-01-01	665528
1982-01-01	691711
1987-01-01	723380
1992-01-01	800660
1997-01-01	890733
2002-01-01	979877
2007-01-01	1063095
2012-01-01	1128994