Year % of male population 1960 0.318673095402094 1961 0.324196823152487 1962 0.329476331272939 1963 0.334440972738845 1964 0.339134952885948 1965 0.343751689545658 1966 0.348262052110679 1967 0.35255972737475 1968 0.356716559128633 1969 0.360684732486893 1970 0.364368908563417 1971 0.367766185228226 1972 0.370806682940698 1973 0.373395203990161 1974 0.375596621983152 1975 0.3776407100696 1976 0.38466550478187 1977 0.391524859498306 1978 0.390305797223471 1979 0.384495968970381 1980 0.377206905679892 1981 0.370611667410202 1982 0.365652743420699 1983 0.362532176336965 1984 0.361108885563066 1985 0.361281018767764 1986 0.362972980394311 1987 0.368694583788237 1988 0.382188376657789 1989 0.392722972839 1990 0.395946473691364 1991 0.398757675111394 1992 0.401496863255353 1993 0.404335197709812 1994 0.408666070106588 1995 0.413920968107514 1996 0.418375485020653 1997 0.422032899775897 1998 0.423371368321726 1999 0.421079703579969 2000 0.417752771922442 2001 0.415570627814239 2002 0.416786018303677 2003 0.420714573164126 2004 0.424379809107907 2005 0.427947965652679 2006 0.431569734883915 2007 0.435341776675896 2008 0.439045656545207 2009 0.442216877086476 2010 0.444403412606937 2011 0.442129753679507 2012 0.43633176440073 2013 0.430920172757835 2014 0.42567120164115 2015 0.420663439333536 2016 0.416220513124471 2017 0.412753923639928 2018 0.410781479121236 2019 0.410440132310722 2020 0.409470400394638 2021 0.405780087412091 2022 0.400905486026941 2023 0.397425195951604