Year % of male population 1960 26.6928641365175 1961 26.3572316042235 1962 26.0005885612271 1963 25.7297168565285 1964 25.5618955094815 1965 25.4792346910167 1966 25.439685955039 1967 25.3934022918154 1968 25.3320062996371 1969 25.3051017876497 1970 25.2550138435901 1971 25.155783342272 1972 25.0538230126008 1973 24.9361353932203 1974 24.7627667658873 1975 24.5586788799838 1976 24.3147049672197 1977 24.0145960119617 1978 23.6924777250008 1979 23.327970570093 1980 22.9210534308807 1981 22.4903004072881 1982 22.0553626865173 1983 21.6102582576468 1984 21.1391048303612 1985 20.7143260673275 1986 20.3410619877954 1987 19.985546703663 1988 19.7274496144861 1989 19.6228890460331 1990 19.6320457629046 1991 19.7041964582729 1992 19.8279430310112 1993 19.9752700819806 1994 20.1037558150189 1995 20.2184253602402 1996 20.3449281743883 1997 20.4635237258146 1998 20.5503110445798 1999 20.6529719763194 2000 20.7394031869114 2001 20.7531762545188 2002 20.72314504761 2003 20.6429411749108 2004 20.4982816473258 2005 20.3019079541369 2006 20.0742845413394 2007 19.8236061630286 2008 19.5987302201506 2009 19.4427941045643 2010 19.2800990004012 2011 19.0570446059218 2012 18.8294054141653 2013 18.6460878806356 2014 18.4674749368753 2015 18.29606177012 2016 18.1850928224462 2017 18.1002384193431 2018 17.9642868216272 2019 17.760347235977 2020 17.5241700648166 2021 17.2729856016719 2022 17.0078232183142 2023 16.7260810452057