Period	Persons
1967-01-01	1846963
1972-01-01	2247280
1977-01-01	2736280
1982-01-01	3342302
1987-01-01	3961787
1992-01-01	4459214
1997-01-01	4924347
2002-01-01	5340389
2007-01-01	5782108
2012-01-01	6154623