Period	Persons
1967-01-01	4832923
1972-01-01	5294325
1977-01-01	5889693
1982-01-01	6729178
1987-01-01	7684751
1992-01-01	8489900
1997-01-01	9215000
2002-01-01	9781900
2007-01-01	10225100
2012-01-01	10777500