Year	% of relevant age group
1972	64.5156097412109
1973	63.5884704589844
1975	83.2120971679688
1976	91.4890594482422
1977	83.228630065918
1978	85.8801803588867
1979	83.9984664916992
1980	84.7000579833984
1981	90.374267578125
1982	90.4602966308594
1983	87.7973175048828
1984	75.9757537841797
1987	66.9059219360352
1988	65.3994827270508
1989	61.9700889587402
1992	52.7206611633301
1995	61.7550582885742
1996	61.3794097900391
1997	64.7046890258789
2002	68.4463424682617
2003	66.7669830322266
2019	71.1920013427734