Year % of male population 1960 31.0999348035653 1961 30.9342565595783 1962 30.8730216057593 1963 30.830296284767 1964 30.828773015236 1965 30.9059856259112 1966 31.0065604538405 1967 31.0820910371803 1968 31.0913741084571 1969 31.040350691839 1970 30.7003387591637 1971 30.3280115042326 1972 30.0931783961484 1973 29.7650006699342 1974 29.4352103433827 1975 29.1516232255994 1976 28.9288452390945 1977 28.7019755194551 1978 28.3622728380602 1979 27.9112304451168 1980 27.3890673104068 1981 26.8610181161088 1982 26.3897375676739 1983 25.9599214954114 1984 25.5252779616685 1985 25.031383801475 1986 24.4619045689521 1987 23.847338699065 1988 23.2003908773208 1989 22.5053439622574 1990 21.7315132355129 1991 20.9243416917518 1992 20.2397752623489 1993 19.7382483020536 1994 19.2999960591787 1995 18.8699649531443 1996 18.490641354264 1997 18.1640137873624 1998 17.8781983827667 1999 17.6548177471652 2000 17.4276085369945 2001 17.2542453929707 2002 17.1909502010575 2003 17.1401978097056 2004 17.0689687407168 2005 16.9849652524483 2006 16.8628090614274 2007 16.7052666394134 2008 16.5581642444394 2009 16.4112088877463 2010 16.2416636182007 2011 16.0684852560269 2012 15.9309005616044 2013 15.7921412697498 2014 15.6028838608548 2015 15.3743615626568 2016 15.1828625215207 2017 15.0319259340879 2018 14.8799933368192 2019 14.7438201460768 2020 14.6033357871014 2021 14.4438736383649 2022 14.2744727097293 2023 14.0920474358182