Year % of male population 1960 35.7459929995107 1961 35.9491180610641 1962 36.2336407272404 1963 36.5821828013687 1964 36.9186805664919 1965 37.1893126580991 1966 37.427709895267 1967 37.6446259471498 1968 37.8208852991068 1969 37.9522256813916 1970 38.0332747895452 1971 38.0448801434591 1972 37.9682090292281 1973 37.803193736649 1974 37.5266304527355 1975 37.097836754998 1976 36.4863988206903 1977 35.6716990590305 1978 34.6600132285418 1979 33.4961576835458 1980 32.2365035723994 1981 30.9016744869354 1982 29.6272702206412 1983 28.5008065189552 1984 27.4479891217029 1985 26.4430759515501 1986 25.489284084496 1987 24.63444260775 1988 23.9493614275522 1989 23.4484216403099 1990 23.1137838168402 1991 22.8871306060262 1992 22.7188079204045 1993 22.6075218623026 1994 22.5577945127438 1995 22.5584493050584 1996 22.5785755111447 1997 22.5148564585872 1998 22.3264188971169 1999 22.0803424385245 2000 21.7902747925166 2001 21.4645021278036 2002 21.1158099889952 2003 20.7373967709449 2004 20.3146455564166 2005 19.8637006249203 2006 19.4232171879811 2007 19.0323133012271 2008 18.7155262446051 2009 18.4759493796674 2010 18.277830099062 2011 18.0817917020634 2012 17.8765510201912 2013 17.6619289051559 2014 17.4419140739865 2015 17.2364244158993 2016 17.0401144686578 2017 16.843016902694 2018 16.6861696923779 2019 16.5677110706251 2020 16.4722000962111 2021 16.4286013967685 2022 16.3630607759478 2023 16.2163768687123