Year % of relevant age group 1975 30.2325592041016 1980 47.1240501403809 1981 47.495849609375 1982 42.8840713500977 1983 42.1972198486328 1986 47.1236610412598 2010 83.5250015258789 2011 86.5053482055664 2012 86.2909393310547 2013 86.5631484985352 2014 88.2404708862305 2015 89.1763687133789 2016 90.0945434570312 2017 90.750732421875 2018 88.9737396240234 2019 87.6785888671875