Year	% of relevant age group
1970	85.76587
1971	85.10367
1972	94.60942
1973	95.12986
1977	120.7221
1978	114.4545
1980	141.28047
1981	126.09497
1998	102.48958
1999	98.45645
2004	110.80748
2005	101.80374
2014	97.81846
2015	96.93269
2016	95.79838