Period	Persons
1967-01-01	198712000
1972-01-01	209896000
1977-01-01	220239000
1982-01-01	231664000
1987-01-01	242289000
1992-01-01	256514000
1997-01-01	272657000
2002-01-01	287625193
2007-01-01	301231207
2012-01-01	313914040