Year % of male population 1960 16.6378125013281 1961 16.6774512799697 1962 16.7207847756125 1963 16.7682461245702 1964 16.8165416499677 1965 16.8712658761142 1966 16.944313248911 1967 17.0355467939302 1968 17.1409715846039 1969 17.2498132702398 1970 17.3527926757646 1971 17.4584935246874 1972 17.5656705930381 1973 17.6710988279693 1974 17.7836218454241 1975 17.9073208272405 1976 18.0384870110146 1977 18.1678709329856 1978 18.2913890134083 1979 18.4158641138335 1980 18.5307316455155 1981 18.6290305808652 1982 18.7046888504221 1983 18.7487292199316 1984 18.7763975841721 1985 18.7989673432342 1986 18.8243840350905 1987 18.8484534032088 1988 18.8608422287542 1989 18.8386500934047 1990 18.7642733687197 1991 18.688833015461 1992 18.6359300198481 1993 18.5806339757248 1994 18.5371428594819 1995 18.5086791681938 1996 18.4699182238125 1997 18.4352625419798 1998 18.4225620370183 1999 18.4487096086619 2000 18.5385906605387 2001 18.6759203724331 2002 18.8312362411596 2003 18.9916807177196 2004 19.1405569153798 2005 19.2790340432487 2006 19.3957625291558 2007 19.4681832373209 2008 19.5053186076165 2009 19.5137565966162 2010 19.4930647739236 2011 19.4589434903747 2012 19.4632388837595 2013 19.4366319333288 2014 19.3336981506985 2015 19.2076319290073 2016 19.0548723762386 2017 18.8853526202076 2018 18.7301167793302 2019 18.5884278543773 2020 18.4435060320447 2021 18.3065767685509 2022 18.18124236997 2023 18.0498219520788