Year % of relevant age group 1971 101.39146 1972 104.03236 1973 104.43408 1974 103.54121 1975 101.10375 1976 100.89786 1977 101.24507 1978 97.26421 1979 99.9237 1980 100.24923 1981 98.12323 1982 98.25092 1984 94.4947 1985 94.27259 1986 99.42353 1987 102.0255 1988 102.54731 1989 102.29141 1990 101.97089 1991 98.39672 1992 97.89652 1993 97.22453 1994 97.50701 1998 102.00501 1999 100.18319 2000 97.94835 2001 97.79154 2002 98.02763 2003 99.84896 2004 98.59319 2005 96.88133 2006 99.27738 2007 100.3055 2008 97.82284 2009 97.3131 2010 100.42284 2011 101.75427 2012 100.95406 2013 102.3461 2014 99.88212 2015 100.78194 2016 101.40439 2017 100.22682