Period	Persons
1967-01-01	925918
1972-01-01	968742
1977-01-01	1039757
1982-01-01	1120610
1987-01-01	1195243
1992-01-01	1237486
1997-01-01	1260677
2002-01-01	1277723
2007-01-01	1310040
2012-01-01	1337439