Year % of male population 1960 31.4576595091495 1961 31.3699017840846 1962 31.2732963250667 1963 31.092513682431 1964 30.8044662375064 1965 30.4516007406255 1966 30.1052083282827 1967 29.7930934832049 1968 29.5209640642642 1969 29.2624721153254 1970 28.9975067099031 1971 28.7230660896671 1972 28.3697836822865 1973 27.8675469320126 1974 27.2765618215673 1975 26.6902052804397 1976 26.130878371439 1977 25.631386614019 1978 25.2051976765479 1979 24.8485386773118 1980 24.5769978812933 1981 24.3555000234987 1982 24.1708488699886 1983 24.0677589888729 1984 24.0169515075726 1985 23.9612190371373 1986 23.9103461111609 1987 23.8808640195802 1988 23.8661184633175 1989 23.8633754903681 1990 23.886777120114 1991 23.9174387681144 1992 23.9179612652514 1993 23.8431484424653 1994 23.6625704910569 1995 23.4151735079232 1996 23.1199730042832 1997 22.7748400190918 1998 22.3583874806171 1999 21.8823017343495 2000 21.3614739286979 2001 20.7612875727723 2002 20.1091366732197 2003 19.4851972075071 2004 18.9094349326605 2005 18.347508253975 2006 17.8027998758515 2007 17.2953492636799 2008 16.8864001695545 2009 16.621096944764 2010 16.4335594047464 2011 16.2829110601362 2012 16.1778336054816 2013 16.0907989209528 2014 16.0182683513713 2015 16.0166061590587 2016 16.1111653919645 2017 16.2344026310394 2018 16.3291507781387 2019 16.4051701160385 2020 16.4927085170364 2021 16.6039820682668 2022 16.7554219978253 2023 16.8637345944846