Year % of male population 1960 14.3534903578212 1961 14.5993266163387 1962 14.9161404291208 1963 15.2991085416577 1964 15.6316065812829 1965 15.959050617953 1966 16.2262699046296 1967 16.2910943270585 1968 16.2350950319538 1969 16.1852766349689 1970 16.0865445269146 1971 15.9670994050463 1972 15.9416487351695 1973 15.9071895050595 1974 15.7820152337546 1975 15.5771122861535 1976 15.3334249923773 1977 15.0651685168216 1978 14.7731787784923 1979 14.4609340452264 1980 14.1358901560659 1981 13.7809364508932 1982 13.4354952177381 1983 13.1597901207191 1984 12.952199881556 1985 12.8160324484039 1986 12.7593263177932 1987 12.7357065652976 1988 12.7133782774778 1989 12.6976407378044 1990 12.6729991860865 1991 12.6239151817381 1992 12.5704436094025 1993 12.5051161104097 1994 12.3974026154344 1995 12.2200046684398 1996 12.0319671390666 1997 11.9071753882607 1998 11.8246185910665 1999 11.7708062555355 2000 11.7642374418491 2001 11.6902979938683 2002 11.4917600439107 2003 11.2458739248798 2004 10.9225862819215 2005 10.475888946682 2006 10.020223133449 2007 9.63041094334999 2008 9.26131723605517 2009 8.96947158772639 2010 8.80783853439502 2011 8.73320886274639 2012 8.61174148412026 2013 8.42925868596801 2014 8.24124449157953 2015 8.02365619604101 2016 7.7807690456227 2017 7.59628192142556 2018 7.45525923978583 2019 7.27773533516103 2020 7.12908092166109 2021 7.00769057233981 2022 6.84219702455507 2023 6.646178927131