Year % of male population 1960 20.649627246971 1961 20.5736814661703 1962 20.4465446335156 1963 20.2730028114928 1964 20.0614179304301 1965 19.839758300296 1966 19.6033808839072 1967 19.3319934852136 1968 19.0262240816536 1969 18.6989655485489 1970 18.3891505963666 1971 18.0765408138877 1972 17.7589903099826 1973 17.4831822577957 1974 17.2265460190472 1975 16.958863547492 1976 16.69004105504 1977 16.4254877536341 1978 16.1594148539188 1979 15.9100837893693 1980 15.6943580197205 1981 15.4921070473236 1982 15.2934153091281 1983 15.1202307730977 1984 14.9651428742088 1985 14.8052816589852 1986 14.6525558365755 1987 14.5172963583237 1988 14.3915275561421 1989 14.2886241034599 1990 14.2159361758009 1991 14.1469811822031 1992 14.0606246815569 1993 13.941374464021 1994 13.7591211234333 1995 13.5186871079775 1996 13.2503462598278 1997 12.9541460538882 1998 12.6247417844762 1999 12.2959053267139 2000 12.0109089046096 2001 11.7618205025989 2002 11.551683842971 2003 11.3909954993845 2004 11.2360460468872 2005 11.0533381832469 2006 10.8521228275356 2007 10.6589890133512 2008 10.5068744279864 2009 10.4114637372288 2010 10.360835277878 2011 10.3437152890474 2012 10.3351655623975 2013 10.2937246150065 2014 10.2053376250928 2015 10.0867818750269 2016 9.95630702634533 2017 9.82526297114604 2018 9.70040764305812 2019 9.57087374932856 2020 9.42426406815979 2021 9.26841248832119 2022 9.11114083008039 2023 8.94307004775115