Year % of male population 1960 20.55889812677 1961 20.8774787933262 1962 21.04684114019 1963 21.0324396222889 1964 20.8680899194119 1965 20.6082971123639 1966 20.3147779634142 1967 20.0242054304357 1968 19.7327477650928 1969 19.4303875586275 1970 19.0049922533999 1971 18.4992245595896 1972 18.0463462984483 1973 17.6842610364683 1974 17.4413557530808 1975 17.3551957140341 1976 17.3851750795816 1977 17.4491253123884 1978 17.5281568022981 1979 17.5822665177421 1980 17.5183219610816 1981 17.2976409680536 1982 16.9994979187924 1983 16.6686535847977 1984 16.318579648816 1985 15.9679412871082 1986 15.6250708204597 1987 15.2870364859235 1988 14.9484044620789 1989 14.61005838814 1990 14.2621640523529 1991 13.9111839559929 1992 13.5087014354597 1993 13.0419353738015 1994 12.5638764147069 1995 12.0918662578401 1996 11.6391673903318 1997 11.2264703966651 1998 10.8917279648987 1999 10.6703321292715 2000 10.4540092095749 2001 10.0906858114491 2002 9.61522848345938 2003 9.1238345240896 2004 8.64402200609097 2005 8.24221010630197 2006 7.94768064147452 2007 7.72057057778205 2008 7.56455255677586 2009 7.48942964430384 2010 7.33251202628183 2011 7.07354294567864 2012 6.83130861966087 2013 6.57773317645973 2014 6.31181721060068 2015 6.16583334286793 2016 6.14552521642986 2017 6.12224033442575 2018 6.0929626903697 2019 6.05540629021697 2020 6.00728394436283 2021 5.95626264897684 2022 5.90060540649927 2023 5.82931443938535