Year % of relevant age group 1971 111.86072 1972 108.45845 1973 104.20056 1974 106.98347 1975 105.25663 1976 110.62515 1977 106.55429 1978 107.55101 1979 113.08385 1980 109.15286 1981 106.20368 1982 104.71835 1983 100.00025 1984 94.49795 1985 100.87277 1986 100.35692 1987 111.91699 1988 110.61952 1989 112.02495 1990 108.65788 1991 101.74291 1992 94.22076 1993 100.26846 1994 103.42743 1995 106.86268 1996 106.5294 1997 104.55361 1998 109.14315 1999 103.67957 2000 97.68123 2001 96.16083 2002 98.85296 2003 99.32011 2004 103.37145 2005 101.72506 2006 102.69499 2007 108.5631 2008 101.63585 2009 93.76099 2010 100.50853 2011 99.96592 2012 93.62416 2013 96.9974 2014 106.17714 2015 100.38361 2016 95.72719 2017 100.49628