Period	Persons
1967-01-01	663719
1972-01-01	718837
1977-01-01	796727
1982-01-01	849298
1987-01-01	951816
1992-01-01	1064691
1997-01-01	1191672
2002-01-01	1330849
2007-01-01	1484337
2012-01-01	1663558