Year % of male population 1960 38.2753236398268 1961 38.4325962676496 1962 38.4224143126501 1963 38.2271650434325 1964 37.8819970376702 1965 37.4248307333955 1966 36.8849628408132 1967 36.2878520149035 1968 35.6491890877287 1969 34.9849953672332 1970 34.2999317350066 1971 33.6212718445287 1972 32.9773408354229 1973 32.3565484838764 1974 31.7437694573461 1975 31.1323340833534 1976 30.5266314125279 1977 29.9396918701625 1978 29.3927977583719 1979 28.9077331761222 1980 28.4986275129007 1981 28.1477163095686 1982 27.8391071462154 1983 27.5796412443126 1984 27.351447839503 1985 27.1355420722471 1986 26.9319139736652 1987 26.7438003856686 1988 26.5740570407678 1989 26.4253623355605 1990 26.2980135490514 1991 26.1673335900934 1992 25.9436717335316 1993 25.6353409897465 1994 25.3183261801183 1995 24.9960296496044 1996 24.6640199684793 1997 24.3123196869092 1998 23.9421617835882 1999 23.5466503875491 2000 23.1327315061722 2001 22.7367074141543 2002 22.3808770811563 2003 22.0760968921389 2004 21.828082762761 2005 21.5968437136537 2006 21.3370999649931 2007 21.0554594921993 2008 20.8027414654794 2009 20.6004315998815 2010 20.3825355302202 2011 20.1389949347101 2012 19.9354328462705 2013 19.783552934896 2014 19.6911839833418 2015 19.6240263437104 2016 19.5490839857789 2017 19.4709632864667 2018 19.404298571635 2019 19.3854246981778 2020 19.3886153831101 2021 19.3742113074806 2022 19.290385755316 2023 19.1087992183427