Year % of male population 1960 21.0978230162739 1961 20.9694030098668 1962 20.8108348063311 1963 20.6132705143306 1964 20.3684154159208 1965 20.0967746745597 1966 19.8571761009948 1967 19.5565334415654 1968 19.2289122905223 1969 18.9679026962286 1970 18.7488570248102 1971 18.5567697672403 1972 18.3673469387755 1973 18.1586471904879 1974 17.8461597112794 1975 17.4372506674799 1976 17.0158602249002 1977 16.6725844792826 1978 16.4119613205355 1979 16.1611212128368 1980 15.9342749937073 1981 15.7222257714176 1982 15.4730026085551 1983 15.2006895560983 1984 14.9696344677438 1985 14.8149206802916 1986 14.769285180516 1987 14.781328010827 1988 14.7286074657748 1989 14.5960536218516 1990 14.458287639484 1991 14.4134235758601 1992 14.5561844710845 1993 14.8092078899328 1994 15.0602941338717 1995 15.2806323246458 1996 15.3925731741664 1997 15.4080641439159 1998 15.3807292857637 1999 15.3015946626756 2000 15.1831886419908 2001 15.0539307197677 2002 14.8448266073465 2003 14.575238408926 2004 14.3505082621492 2005 14.1695857545094 2006 14.0285101964615 2007 13.9733322472087 2008 14.0020348557631 2009 14.06510158604 2010 14.1664459977317 2011 14.3008721434698 2012 14.4611495541752 2013 14.6019900497512 2014 14.6710656804362 2015 14.6577991468371 2016 14.5516460729199 2017 14.3843232597367 2018 14.2014127181987 2019 14.0129361560476 2020 13.7954466680044 2021 13.5620189958808 2022 13.3521499448732 2023 13.1619430031549