Year	% of relevant age group
1971	98.96609
1972	98.51435
1973	95.70582
1974	96.6057
1975	96.82028
1976	102.81301
1977	102.55599
1978	101.33916
1979	98.41222
1980	94.845
1981	91.89056
1982	92.24604
1983	92.40274
1984	94.84801
1985	100.30264