Year % of male population 1960 18.75972582986 1961 18.8184532870297 1962 18.8615018913865 1963 18.8904670285406 1964 18.9162205842722 1965 18.9551555757335 1966 19.0249024378673 1967 19.1260106828852 1968 19.2459071735544 1969 19.3848774962601 1970 19.5338280024023 1971 19.648252779225 1972 19.7133149445404 1973 19.7543916390669 1974 19.7497348019227 1975 19.6959478516459 1976 19.642945007991 1977 19.615242806371 1978 19.5971945609085 1979 19.5688826643133 1980 19.5182953066984 1981 19.4159713652348 1982 19.2474942234871 1983 19.0464168229237 1984 18.8414524351116 1985 18.64375676707 1986 18.4636045209648 1987 18.283871286635 1988 18.0596283741237 1989 17.7653624879717 1990 17.4061632446719 1991 16.9885753118436 1992 16.5456855101621 1993 16.1490114291211 1994 15.8424944964982 1995 15.6038363491092 1996 15.4145735396893 1997 15.2524616887593 1998 15.0767995692916 1999 14.8820661428061 2000 14.6873318532379 2001 14.5358223908822 2002 14.4421546502199 2003 14.3809955817286 2004 14.3345404141815 2005 14.3042142240542 2006 14.1229794701863 2007 13.8430300230593 2008 13.8931763782509 2009 14.0723315524325 2010 14.0614963009784 2011 13.9851031479413 2012 13.9197160450645 2013 13.9283536052944 2014 13.7445979510544 2015 13.0761792065996 2016 12.0335905045257 2017 10.9577109143429 2018 9.97240950256515 2019 9.27162892022985 2020 9.02455108924773 2021 9.06303369496308 2022 9.18993759877125 2023 9.37951665945614