Year % of male population 1960 17.3636495937952 1961 17.7394438722966 1962 18.0391777040606 1963 18.215155084413 1964 18.2884288796071 1965 18.2649150798503 1966 18.1962301471872 1967 18.1395481312171 1968 18.0673827100024 1969 17.9312623471024 1970 17.7349110341978 1971 17.4886487135209 1972 17.2208651800489 1973 16.9858068856659 1974 16.8314441112184 1975 16.7364745859758 1976 16.6263751022551 1977 16.4661631510848 1978 16.2582444098879 1979 16.0135310647744 1980 15.7452014540516 1981 15.4719106996626 1982 15.1492416722454 1983 14.7633960637839 1984 14.3560215423399 1985 13.9436901529227 1986 13.5713593036058 1987 13.3853073804284 1988 13.3629999149684 1989 13.3477441588058 1990 13.3017150738827 1991 13.2363226170333 1992 13.1739415800428 1993 13.1205752704929 1994 13.0992177760125 1995 13.1346204302956 1996 13.2785926295036 1997 13.496412298544 1998 13.7274192090275 1999 13.9720064503209 2000 14.1917656522602 2001 14.3222360506119 2002 14.3013455414424 2003 14.1588912505339 2004 13.9508842579989 2005 13.6931290741149 2006 13.4106358275067 2007 13.1587388057042 2008 12.9648658361891 2009 12.8170948253746 2010 12.7165261879899 2011 12.6597153014324 2012 12.634571216391 2013 12.6392547068579 2014 12.6890906716075 2015 12.7912054164807 2016 12.9393411903471 2017 13.11640705246 2018 13.2681596847762 2019 13.3448609062707 2020 13.329350384005 2021 13.2222625626958 2022 13.0879823594267 2023 12.9524852466995