Year % of relevant age group 1970 108.46928 1971 105.54594 1972 115.22214 1973 123.96689 1974 117.51933 1975 116.71477 1976 124.05808 1977 124.1447 1978 112.47871 1979 108.02656 1980 113.58831 1981 112.81016 1982 105.13496 1983 102.20994 1984 98.43016 1985 101.20581 1986 105.09181 1987 103.62711 1988 103.6064 1989 100.3751 1990 99.51168 1991 107.77687 1992 109.75579 1993 105.68533 1994 101.90712 1995 101.27815 1996 102.86433 1998 101.71512 1999 103.77505 2000 103.49435 2001 101.36941 2002 105.49249 2004 109.6206 2005 106.2403 2006 112.48418 2007 107.57257 2008 102.96207 2009 107.0643 2010 106.82671 2011 105.71986 2012 104.10467 2013 102.20826 2014 103.37039 2015 104.4789 2016 103.53838 2017 98.66831 2018 110.77016