Year % of male population 1960 15.729015566722 1961 15.9484663480424 1962 16.1397070479693 1963 16.291051224028 1964 16.3994755358647 1965 16.4794478326482 1966 16.512468237781 1967 16.4888922308033 1968 16.4335561010287 1969 16.3505849173048 1970 16.240160253529 1971 16.1077974392362 1972 15.9530106973671 1973 15.7639962668774 1974 15.5525441961281 1975 15.3439776622993 1976 15.1361086517411 1977 14.9357774225434 1978 14.7674588603384 1979 14.6091463969145 1980 14.4510795392153 1981 14.3042986030005 1982 14.1543689908247 1983 13.9905537627283 1984 13.8310545360579 1985 13.6891103614976 1986 13.5471285632262 1987 13.403995632363 1988 13.2806203416753 1989 13.1685023913486 1990 13.0465239812261 1991 12.929516362945 1992 12.8293044830443 1993 12.7404371548507 1994 12.6335003447221 1995 12.5248215584402 1996 12.4389543270442 1997 12.3571258112736 1998 12.26758207259 1999 12.1509379164327 2000 11.9949609575985 2001 11.8054142164627 2002 11.6191430508113 2003 11.4233273802318 2004 11.2106289010605 2005 11.0244947531531 2006 10.8577431018304 2007 10.7021165116288 2008 10.5707854618365 2009 10.4383343034318 2010 10.275377458088 2011 10.0906571788856 2012 9.91206938907526 2013 9.77442714287387 2014 9.6939171020905 2015 9.65845890673446 2016 9.65651299861723 2017 9.663736644836 2018 9.63992206747875 2019 9.57207979920366 2020 9.47647590711286 2021 9.37018197139545 2022 9.26363641446177 2023 9.16380850061662