Year	% of relevant age group
1970	99.7486724853516
1971	101.502563476562
1972	102.622703552246
1973	102.617240905762
1974	101.337852478027
1975	100.445411682129
1976	100.026718139648
1977	101.159530639648
1978	100.495742797852
1979	100.523277282715