Period	Persons
1967-01-01	1689528
1972-01-01	1752233
1977-01-01	1842377
1982-01-01	1910334
1987-01-01	1989776
1992-01-01	1996498
1997-01-01	1985956
2002-01-01	1994530
2007-01-01	2018122
2012-01-01	2057159