Year % of male population 1960 19.4024616160648 1961 19.5022401221762 1962 19.6634669004178 1963 19.7653049451061 1964 19.791172608216 1965 19.7383271090822 1966 19.629422194442 1967 19.4979086690245 1968 19.3744586290185 1969 19.2752624458308 1970 19.1732322216999 1971 18.9550563918106 1972 18.7359302537473 1973 18.6463056163585 1974 18.589326205775 1975 18.5058124439698 1976 18.3620928943066 1977 18.3973445509961 1978 18.6232490434966 1979 18.8445797450405 1980 19.0882990538791 1981 19.3014547292813 1982 19.4457614485284 1983 19.6474298462981 1984 19.7123038900481 1985 19.5500012622571 1986 19.3724732782997 1987 19.1451402326597 1988 18.8077671964214 1989 18.4704744491664 1990 18.1925112863904 1991 17.9108127294526 1992 17.6161374476088 1993 17.3127744767229 1994 17.0081001598174 1995 16.6989521491403 1996 16.3834861489559 1997 16.0822541929898 1998 15.838927172225 1999 15.690062153747 2000 15.6388730215247 2001 15.6462269590897 2002 15.6702612698473 2003 15.6820691934356 2004 15.6589551451594 2005 15.6112530035792 2006 15.5362141737725 2007 15.4236323614618 2008 15.3006707301091 2009 15.1901738782488 2010 15.0812452975666 2011 14.9927604512921 2012 14.9526287530628 2013 14.9308562870824 2014 14.8855384385809 2015 14.812301751904 2016 14.6787172707912 2017 14.4303926707797 2018 14.1404187692358 2019 13.877016755335 2020 13.6015398115357 2021 13.3380061574778 2022 13.1496492581707 2023 12.9772099507376