Year % of relevant age group 1972 53.9097518920898 1973 60.0365905761719 1974 64.7474975585938 1975 73.1816787719727 1976 65.9524688720703 2018 99.7984313964844 2019 101.299987792969 2020 102.536422729492 2021 104.018020629883