Period	Persons
1967-01-01	3044400
1972-01-01	3213622
1977-01-01	3355036
1982-01-01	3457179
1987-01-01	3616367
1992-01-01	3700114
1997-01-01	3575137
2002-01-01	3443067
2007-01-01	3231294
2012-01-01	2987773