Period	Persons
1967-01-01	49911
1972-01-01	56068
1977-01-01	61742
1982-01-01	65780
1987-01-01	68352
1992-01-01	71657
1997-01-01	77319
2002-01-01	83700
2007-01-01	85033
2012-01-01	88303