Period	Persons
1967-01-01	2750273
1972-01-01	2821645
1977-01-01	2857218
1982-01-01	2954236
1987-01-01	3049987
1992-01-01	3154657
1997-01-01	3270549
2002-01-01	3327500
2007-01-01	3338384
2012-01-01	3395253