Period	Persons
1967-01-01	1399097
1972-01-01	1614985
1977-01-01	1847552
1982-01-01	2086331
1987-01-01	2333008
1992-01-01	2592117
1997-01-01	2873288
2002-01-01	3178450
2007-01-01	3491034
2012-01-01	3802281