Year % of relevant age group 1970 121.2237 1971 121.972 1972 122.7587 1973 124.4108 1974 124.2375 1975 125.4938 1976 125.4348 1977 125.6437 1978 124.348 1979 125.9031 1980 124.1762 1981 124.3725 1982 122.2489 1983 124.5516 1984 127.2664 1985 127.0536 1986 124.7456 1987 120.0505 1988 119.4815 1989 117.3513 1990 118.6431 1991 114.2913 1992 113.241 1993 113.2183 1994 112.446 1995 112.2341 1996 110.5739 1997 109.8869 1998 110.6657 1999 111.3485 2000 112.0919 2001 112.7107 2002 114.2146 2003 115.2622 2004 113.6218 2005 114.9529 2006 113.2151 2007 114.106 2008 112.974 2009 107.4055 2010 108.66 2011 106.3345 2012 105.0498 2013 104.0408 2014 101.967 2015 101.7181 2016 103.0495 2017 101.8073 2018 102.1615