Year % of relevant age group 1971 75.4356 1972 94.23216 1973 104.17957 1974 109.22756 1975 104.43066 1976 127.65576 1977 112.00883 1978 108.57988 1979 107.87685 1980 96.15238 1981 99.58925 1982 103.55311 1983 96.85239 1984 99.96407 1985 99.67765 1986 98.96502 1987 98.11522 1988 104.01421 1989 100.10672 1990 99.42796 1991 97.69286 1992 95.64112 1993 101.28299 1994 96.77897 1995 107.62617 1996 105.35445 1997 109.04908 1998 105.54688 1999 102.82756 2000 103.286 2001 100.04124 2002 99.83278 2003 97.14772 2004 98.21117 2005 96.7553 2006 105.03056 2007 97.12055 2008 96.04863 2009 100 2010 102.53917 2011 104.13451 2012 101.53005 2013 100.42804 2014 107.70031 2015 108.46856 2016 107.0035 2017 109.03704