Year % of relevant age group 1974 26.2045 1975 41.14077 1976 30.94006 1978 37.80437 1979 42.65447 1983 60.87183 1984 69.85039 1985 75.72728 1986 75.1657 1987 73.47431 1988 68.54399 1989 71.80684 1990 74.62391 1992 81.84612 1994 82.21822 1995 77.54373 1996 79.79102 1997 84.04524 1998 85.79581 1999 88.07102 2000 88.46235 2001 87.20272 2002 86.37494 2003 84.86923 2009 105.02727 2011 107.75972 2012 110.73911 2013 104.25441 2014 104.67191 2015 105.60652 2016 106.80659 2017 104.59137 2018 101.85808