Year % of male population 1960 0.438072273226268 1961 0.442472871817452 1962 0.447090986544267 1963 0.451684065153004 1964 0.456223336775233 1965 0.460417877456912 1966 0.464716577416024 1967 0.469652141441416 1968 0.474324165798627 1969 0.477666830592914 1970 0.480444912471308 1971 0.482420142489333 1972 0.483000102655878 1973 0.484493296689174 1974 0.486717376765215 1975 0.49092396003216 1976 0.498955111044198 1977 0.509440259340009 1978 0.522105518486403 1979 0.538353645700592 1980 0.556304884475142 1981 0.57479662968217 1982 0.594249123152057 1983 0.610495993305556 1984 0.61749688571432 1985 0.614277280323037 1986 0.602486721469729 1987 0.583053910090946 1988 0.560154724909353 1989 0.539849726875823 1990 0.524517536331209 1991 0.512942550077635 1992 0.50461841743142 1993 0.499389040452435 1994 0.496761457310926 1995 0.49566873166035 1996 0.496303425832896 1997 0.499327650811396 1998 0.503449893937749 1999 0.506342807004448 2000 0.507589604164304 2001 0.507218624263203 2002 0.504650251764339 2003 0.500778967047589 2004 0.497119687299497 2005 0.494054656203112 2006 0.491822546783324 2007 0.490448308603829 2008 0.488987314169071 2009 0.486396675033559 2010 0.482198964755827 2011 0.477375194057901 2012 0.472337278831539 2013 0.466662124634517 2014 0.460470203385314 2015 0.45386323374526 2016 0.447150674040613 2017 0.440936944816881 2018 0.436091911111203 2019 0.433904431785563 2020 0.433080022443488 2021 0.432121859903386 2022 0.432997816559449 2023 0.439696670979503