Period	Persons
1967-01-01	46060661
1972-01-01	47782683
1977-01-01	49292500
1982-01-01	50384000
1987-01-01	51293000
1992-01-01	52150266
1997-01-01	50594105
2002-01-01	48202500
2007-01-01	46509350
2012-01-01	45593300