Year % of relevant age group 1974 4.69612979888916 1977 5.8217601776123 1978 6.66129016876221 1980 9.44297027587891 1981 13.984769821167 1984 12.9104795455933 1985 12.1153602600098 1993 17.0720405578613 2016 65.5676116943359 2017 69.0419235229492 2018 69.7666091918945 2019 67.502799987793