Year % of male population 1960 24.1757227307335 1961 24.5839505664413 1962 24.8125213979337 1963 24.9680388494762 1964 25.198097482265 1965 25.4586743184253 1966 25.7109129662067 1967 25.9469335705795 1968 26.1838252394721 1969 26.381344214038 1970 26.4536804982857 1971 26.3911775388675 1972 26.1833951328998 1973 25.8488353012541 1974 25.4949318400677 1975 25.1116146101126 1976 24.5864186106935 1977 23.9564944761886 1978 23.3042152970633 1979 22.6632504448868 1980 22.0876097463309 1981 21.5940663938906 1982 21.11266698094 1983 20.5964830917767 1984 20.1060270651779 1985 19.7072296840764 1986 19.3822591328414 1987 19.1222716213384 1988 18.9604779579568 1989 18.8594665671056 1990 18.7844334348142 1991 18.7979011659458 1992 18.8889280902435 1993 18.9533550404743 1994 18.9635718775172 1995 18.9174684003922 1996 18.8064662461596 1997 18.6449974920699 1998 18.462427152896 1999 18.2731389849398 2000 18.0584342340622 2001 17.8023161310275 2002 17.5682237135849 2003 17.3586895589678 2004 17.1340492548745 2005 16.8945171481414 2006 16.6188663256803 2007 16.3264684147049 2008 16.0513541591811 2009 15.8051028053537 2010 15.5952417055397 2011 15.4084421329311 2012 15.2411424206561 2013 15.1119787668608 2014 15.0197587303381 2015 14.9967714397703 2016 15.0391965465105 2017 15.0820988765307 2018 15.0932798810434 2019 15.0793576297154 2020 15.0515366537059 2021 15.0312204623409 2022 15.020981744326 2023 14.9995790492768