Period	Persons
1967-01-01	217054
1972-01-01	241769
1977-01-01	280248
1982-01-01	333998
1987-01-01	382771
1992-01-01	433286
1997-01-01	489627
2002-01-01	556028
2007-01-01	632736
2012-01-01	717503