Year % of male population 1960 17.6901128234287 1961 17.6824298914485 1962 17.3490842905083 1963 16.8546743471368 1964 16.6696315595277 1965 16.6944240190148 1966 16.874992767199 1967 17.2720646787464 1968 17.5236945230059 1969 17.5845920424818 1970 17.5997074894821 1971 17.4363139982507 1972 17.0298186421047 1973 16.3752770350533 1974 15.5041245988836 1975 14.5294545627763 1976 13.5051273719665 1977 12.3934713185646 1978 11.4591039661221 1979 10.8892071471084 1980 10.5118953707365 1981 10.316583233793 1982 10.2708508785743 1983 10.2616112059509 1984 10.2430039801005 1985 10.2186659208653 1986 10.1935630723625 1987 10.1595973251789 1988 10.1292609289383 1989 10.0959878231263 1990 10.0645906063224 1991 10.0513326100172 1992 10.0612447878185 1993 10.0883905255074 1994 10.1241457361611 1995 10.0907086455314 1996 9.95241213963191 1997 9.75284311472541 1998 9.51143590169764 1999 9.2594009539239 2000 9.00019357485293 2001 8.73447358987542 2002 8.46417762780932 2003 8.21462465611738 2004 8.00296675613836 2005 7.80747469256718 2006 7.612269780201 2007 7.43050087089597 2008 7.28796671098109 2009 7.16411207609311 2010 7.01107368759252 2011 6.85009506523846 2012 6.72889164309974 2013 6.64119273098645 2014 6.5896245584743 2015 6.61752024925334 2016 6.69815968372822 2017 6.76635882792668 2018 6.81031205725512 2019 6.82830161723741 2020 6.82153783908679 2021 6.79937213028775 2022 6.76385110295578 2023 6.71410981446959