Year	% of relevant age group
1972	56.2639617919922
1973	55.1556282043457
1975	77.0893783569336
1976	81.5628280639648
1977	75.5024185180664
1978	76.4334106445312
1979	78.7081985473633
1980	78.3126602172852
1981	82.0563278198242
1982	83.119873046875
1983	82.3558578491211
1984	71.3823013305664
1985	87.5211715698242
1987	64.7553863525391
1988	63.5631790161133
1989	61.8508415222168
1992	55.4258804321289
1995	61.3801689147949
1996	62.3264389038086
1997	64.5356292724609
2002	69.371208190918
2003	67.6539077758789
2019	72.9150009155273