Year % of relevant age group 1971 94.93714 1972 96.15146 1973 97.24771 1974 98.04587 1975 99.35783 1976 99.71451 1977 100.8138 1978 99.95363 1979 102.2295 1980 101.7796 1981 102.0259 1982 101.7445 1983 103.4214 1984 103.7849 1985 103.7277 1986 103.2796 1987 101.9563 1988 101.3421 1989 99.911 1990 101.108 1991 98.40233 1992 98.43889 1993 98.72279 1994 98.92903 1995 99.02759 1996 98.81765 1997 99.81578 1998 100.3451 1999 100.2885 2000 102.1653 2001 103.707 2002 105.7269 2003 110.5415 2004 109.3062 2005 109.5609 2006 108.9002 2007 109.7699 2008 110.355 2009 107.3321 2010 108.1084 2011 107.4212 2012 106.7634 2013 106.1956 2014 104.9791 2015 104.4688 2016 105.3257 2017 104.0085 2018 104.1389