Year % of male population 1960 27.9264571151809 1961 28.0346374380778 1962 28.1447955425456 1963 28.2675944017059 1964 28.3957070705165 1965 28.4967770245167 1966 28.565645147072 1967 28.6022905224738 1968 28.608624399807 1969 28.587527779419 1970 28.5366381643035 1971 28.4785661754535 1972 28.4303641226085 1973 28.3881181147869 1974 28.3751214978467 1975 28.3983371321 1976 28.4399402372256 1977 28.4583786606935 1978 28.4255209163835 1979 28.3554687945855 1980 28.248194901687 1981 28.1251394990602 1982 28.0128707516411 1983 27.9015290651148 1984 27.7874009899227 1985 27.6914403770069 1986 27.5863099897006 1987 27.429120364521 1988 27.2584386127222 1989 27.0751752365793 1990 26.8287928533955 1991 26.556752478874 1992 26.3239644801961 1993 26.1350896452682 1994 26.0026877927694 1995 25.9467697425986 1996 25.9191873512855 1997 25.8846757743729 1998 25.8357176539107 1999 25.7610652728048 2000 25.6618502935688 2001 25.5467679037538 2002 25.4487688592089 2003 25.321327795171 2004 25.1268066249405 2005 24.9320854115619 2006 24.7280366727902 2007 24.4856610712557 2008 24.2268948101988 2009 23.944123980151 2010 23.6387411405082 2011 23.3373075223783 2012 23.0525199861928 2013 22.798965801536 2014 22.5765931578346 2015 22.388875605291 2016 22.2153725667053 2017 21.9853582638299 2018 21.6890685895143 2019 21.3471139085325 2020 20.9486644554413 2021 20.5628350612221 2022 20.2014083691717 2023 19.8258143611084