Period	Persons
1967-01-01	2733450
1972-01-01	3039300
1977-01-01	3432262
1982-01-01	3931355
1987-01-01	4546136
1992-01-01	5378226
1997-01-01	6361301
2002-01-01	7414744
2007-01-01	8707490
2012-01-01	10050702