Period	Persons
1967-01-01	152607
1972-01-01	177844
1977-01-01	197118
1982-01-01	220274
1987-01-01	243397
1992-01-01	266097
1997-01-01	286845
2002-01-01	309039
2007-01-01	342049
2012-01-01	371960