Year % of male population 1960 24.7773174032259 1961 24.7602870805344 1962 24.6489518085826 1963 24.5855848683024 1964 24.6525685284759 1965 24.7986452432684 1966 24.9758409812306 1967 25.142517166456 1968 25.2702100717303 1969 25.3666724988205 1970 25.443218543693 1971 25.4790358684946 1972 25.4208320976403 1973 25.2450595687177 1974 24.9769714484376 1975 24.6173738648333 1976 24.1725436108229 1977 23.6651137040649 1978 23.1407209749262 1979 22.6468846198986 1980 22.1959902141671 1981 21.775948103465 1982 21.3698008442727 1983 20.99102863821 1984 20.6533779039113 1985 20.3737604294504 1986 20.1344681767577 1987 19.9654509870641 1988 19.9130922356369 1989 19.9438763361155 1990 20.0416727783084 1991 20.1908215475363 1992 20.3546303842379 1993 20.4830140523468 1994 20.5210007734059 1995 20.4844149861126 1996 20.4358404887555 1997 20.3865915517928 1998 20.3140729199457 1999 20.2031018661127 2000 20.0337940922746 2001 19.8230421935055 2002 19.5927891411451 2003 19.3589121671289 2004 19.146192418159 2005 18.9333156987263 2006 18.72941875485 2007 18.5794280762296 2008 18.4866818814878 2009 18.4254702497015 2010 18.3918286141641 2011 18.3788292210156 2012 18.3785567357691 2013 18.3825109747056 2014 18.3885205392681 2015 18.4284959071862 2016 18.5014257589066 2017 18.5718512536111 2018 18.5978896946438 2019 18.556304381458 2020 18.4643291845723 2021 18.3321371833368 2022 18.1261629032107 2023 17.8595743936167