Period	Persons
1967-01-01	78409
1972-01-01	87585
1977-01-01	97476
1982-01-01	108911
1987-01-01	121924
1992-01-01	136696
1997-01-01	150306
2002-01-01	157241
2007-01-01	158331
2012-01-01	162810