Period	Persons
1967-01-01	99526
1972-01-01	106458
1977-01-01	112826
1982-01-01	121150
1987-01-01	131032
1992-01-01	141934
1997-01-01	150994
2002-01-01	160217
2007-01-01	170149
2012-01-01	180870