Period	Persons
1967-01-01	970972
1972-01-01	1075281
1977-01-01	1208836
1982-01-01	1374044
1987-01-01	1520244
1992-01-01	1660360
1997-01-01	1801679
2002-01-01	1885487
2007-01-01	1955784
2012-01-01	2051545