Year % of relevant age group 1980 108.87964 1981 110.65061 1982 105.16421 1983 102.77497 1984 104.07752 1985 102.33639 1998 99.09996 2012 110.3744 2013 114.15575 2014 116.45967 2015 112.29427 2016 104.50549 2017 104.92398 2018 110.50432