Year % of male population 1960 19.9026201316371 1961 19.8127032997617 1962 19.7181494902042 1963 19.618513567739 1964 19.5155449685413 1965 19.4139646498987 1966 19.3210714864555 1967 19.2484646658815 1968 19.2028692581297 1969 19.1831569005948 1970 19.1929081442458 1971 19.2268978749765 1972 19.2496038428113 1973 19.26314088196 1974 19.2755233739525 1975 19.2627412276244 1976 19.2189581872854 1977 19.1480432377403 1978 19.0571164250138 1979 18.978383190516 1980 18.8672300284238 1981 18.7038665233853 1982 18.5445774052647 1983 18.3996911305324 1984 18.264205792014 1985 18.121845610597 1986 17.9573558239825 1987 17.7694554034539 1988 17.559762421251 1989 17.3206469776558 1990 17.0617826587414 1991 16.7936309315179 1992 16.5135363621874 1993 16.2160028695072 1994 15.9002738925035 1995 15.5708106268344 1996 15.2483438903445 1997 14.9295511958028 1998 14.5929005233428 1999 14.2598481905466 2000 13.9451443292914 2001 13.6428085880574 2002 13.365401650467 2003 13.118333943676 2004 12.8921014495893 2005 12.6667115658748 2006 12.4490846477194 2007 12.2600119736117 2008 12.0983185766969 2009 11.9645181032239 2010 11.856867697557 2011 11.7637324832998 2012 11.6735558746063 2013 11.5819099890667 2014 11.4843980734113 2015 11.3778683102565 2016 11.2601244230893 2017 11.1292668454581 2018 10.9853562543724 2019 10.82987182327 2020 10.667617403653 2021 10.4959666788125 2022 10.3094322164317 2023 10.1145755193096