Year % of relevant age group 1971 19.6320209503174 1972 21.6753997802734 1974 21.0079402923584 1992 14.099949836731 1993 15.6656198501587 1994 21.6161804199219 2012 47.8300895690918 2013 48.3418807983398 2014 61.7670516967773 2020 63.4767112731934