Year % of male population 1960 31.4819315425306 1961 31.4532263605683 1962 31.2619388518461 1963 31.1322653662017 1964 31.2463003905665 1965 31.4587035220438 1966 31.5343383084197 1967 31.5057418846648 1968 31.4605410128638 1969 31.4821365767378 1970 31.5736172140922 1971 31.6407054785925 1972 31.6479226202399 1973 31.6703630717744 1974 31.6952165885218 1975 31.6605459952142 1976 31.5695644599682 1977 31.4583934713368 1978 31.3021964193031 1979 31.1513616099936 1980 31.0692005641978 1981 30.9880805785942 1982 30.8690845557898 1983 30.7162827871621 1984 30.4712314650484 1985 30.1189773443467 1986 29.741192448204 1987 29.3619517374848 1988 28.9713874439191 1989 28.5302094104248 1990 27.9906602904411 1991 27.4357186112522 1992 26.8946015438819 1993 26.3347938543515 1994 25.7133121629685 1995 25.0056066571914 1996 24.3266932560251 1997 23.7338810157845 1998 23.2320508169454 1999 22.8262734825367 2000 22.4541087825444 2001 22.0694298236163 2002 21.755357687984 2003 21.5787245888261 2004 21.4060435515696 2005 21.154852439277 2006 20.8765860101774 2007 20.7805735654614 2008 20.9747681642208 2009 21.3473030024993 2010 21.7527668585295 2011 22.0625451615344 2012 22.2111225203664 2013 22.2239483852796 2014 22.1736301390829 2015 22.0677765696818 2016 21.8971127706985 2017 21.6758293798739 2018 21.429215812636 2019 21.1432416863528 2020 20.8526735219715 2021 20.5720422239661 2022 20.228805945958 2023 19.821955556708