Period	Persons
1967-01-01	1978000
1972-01-01	2152000
1977-01-01	2325000
1982-01-01	2647000
1987-01-01	2775000
1992-01-01	3230700
1997-01-01	3796000
2002-01-01	4176000
2007-01-01	4588600
2012-01-01	5312400