Year % of male population 1960 18.7671702637583 1961 19.1286597507579 1962 19.3721819517227 1963 19.4696397186276 1964 19.4092053352535 1965 19.1985593678304 1966 18.8616937297654 1967 18.4364882889099 1968 17.9692911198885 1969 17.5057647871384 1970 17.0837973699901 1971 16.7286610431002 1972 16.4381324425775 1973 16.2088860565394 1974 16.0406117010155 1975 15.9173517626365 1976 15.8260921414615 1977 15.7673909712055 1978 15.7257813707579 1979 15.6886348879873 1980 15.632561103821 1981 15.5686899697291 1982 15.546378895877 1983 15.5859589310154 1984 15.6894019428483 1985 15.8424236638345 1986 16.0343234032633 1987 16.2244963328352 1988 16.3268417230444 1989 16.4074038374837 1990 16.4078261075051 1991 16.2146543985637 1992 15.9247714048213 1993 15.6078500751899 1994 15.1771044003281 1995 14.6617729576761 1996 14.1816000631744 1997 13.6802434142851 1998 13.133384112438 1999 12.5987850176245 2000 12.118553326195 2001 11.6924322948675 2002 11.3137860060085 2003 11.0061953794864 2004 10.7830569010895 2005 10.6418951879242 2006 10.6009769823579 2007 10.6619206829762 2008 10.800885748815 2009 11.0025477731915 2010 11.259881751529 2011 11.5546595718046 2012 11.8667046987192 2013 12.1576349626739 2014 12.3844095536384 2015 12.5116183869824 2016 12.5192637491056 2017 12.4088280396195 2018 12.1991305728784 2019 11.9170954729174 2020 11.5901441028578 2021 11.2456212414213 2022 10.896918084429 2023 10.5513251151853