Year % of male population 1960 13.6269379396222 1961 13.9214717243744 1962 14.1853432942014 1963 14.3946948061378 1964 14.559050861603 1965 14.6793038115759 1966 14.7659489343129 1967 14.8204278089126 1968 14.8292780180821 1969 14.8042746699207 1970 14.7668084931451 1971 14.727361441061 1972 14.6903549352719 1973 14.6640541530284 1974 14.6555418407973 1975 14.6668750399579 1976 14.6991609132898 1977 14.7523287890297 1978 14.8214285714286 1979 14.8954679388242 1980 14.968404900563 1981 15.0448688584282 1982 15.1291597456899 1983 15.2058225074346 1984 15.2792542317442 1985 15.3664911730799 1986 15.4633014350354 1987 15.5638887559718 1988 15.6577193051253 1989 15.7260603285444 1990 15.7691825330837 1991 15.8101154831737 1992 15.8454959561216 1993 15.8755343903891 1994 15.9053493146767 1995 15.9223578905443 1996 15.9161946386828 1997 15.8783817373753 1998 15.796268637825 1999 15.7817942920002 2000 15.8941415307788 2001 16.0617838667291 2002 16.2665235719186 2003 16.312288428157 2004 16.1327239044997 2005 15.8930966141723 2006 15.6427705943864 2007 15.3592381323842 2008 14.9709621473691 2009 14.5357131732237 2010 14.1575951933131 2011 13.8289813144042 2012 13.5655657583371 2013 13.4380062661024 2014 13.4019855517524 2015 13.3721383041954 2016 13.3537790207995 2017 13.3305052457097 2018 13.2938293412136 2019 13.2479364232007 2020 13.1894552522456 2021 13.1160907480682 2022 13.0292822529421 2023 12.9268694314714