Year % of male population 1960 19.5693254017991 1961 19.387430389817 1962 19.1570489673748 1963 18.9001240544429 1964 18.5832889447935 1965 18.2317651167432 1966 17.8779643318959 1967 17.4763151395406 1968 17.0297730472315 1969 16.6136050090205 1970 16.2307606513495 1971 15.8675088651673 1972 15.5246087499372 1973 15.1905752395213 1974 14.8724539931718 1975 14.6493707488525 1976 14.5715780143931 1977 14.6440041504027 1978 14.8457874084788 1979 15.1056500563655 1980 15.3314673787321 1981 15.4710544647849 1982 15.5376108776844 1983 15.5371218216643 1984 15.4743567643313 1985 15.3521398347664 1986 15.1625379379321 1987 14.9522670532756 1988 14.7441438019455 1989 14.5161166656444 1990 14.292780302187 1991 14.1030493793471 1992 13.9075977933801 1993 13.6796201424466 1994 13.4359929349852 1995 13.1824835492565 1996 12.9303511564035 1997 12.6792244092754 1998 12.4323801463031 1999 12.2108339237222 2000 12.0128370644842 2001 11.835745688079 2002 11.7058712007362 2003 11.6304427419429 2004 11.5797413134103 2005 11.5269942825875 2006 11.4831074929272 2007 11.4431664902664 2008 11.4221346284388 2009 11.4148911379283 2010 11.3801644725769 2011 11.2877323323393 2012 11.1410444499262 2013 10.989462218726 2014 10.8561570259979 2015 10.7501200645381 2016 10.6625448752129 2017 10.5632433693506 2018 10.4344703537176 2019 10.2863019815071 2020 10.115647296854 2021 9.93662703115379 2022 9.77206418672502 2023 9.61905471895035