Year % of male population 1960 18.4392240653008 1961 18.6353861630222 1962 18.8225127001785 1963 18.9922238905492 1964 19.1221953514591 1965 19.2068414246017 1966 19.2662334914538 1967 19.3080006168783 1968 19.3369111222353 1969 19.3587231020452 1970 19.3735114213814 1971 19.3771054682326 1972 19.3779068741628 1973 19.3807003687839 1974 19.3905653304477 1975 19.4190075933253 1976 19.4666970261898 1977 19.517745368334 1978 19.5930492636721 1979 19.7001975488893 1980 19.815963447186 1981 19.9165679427344 1982 19.9777475452789 1983 19.9883102730038 1984 19.9292227811176 1985 19.801246311239 1986 19.6331518824988 1987 19.418269490391 1988 19.2230345633419 1989 19.0842056735381 1990 18.964656193678 1991 18.8864877493821 1992 18.8744786596405 1993 18.8676270456736 1994 18.8425993117365 1995 18.7984295342151 1996 18.7304561680672 1997 18.6897486622952 1998 18.7099436670258 1999 18.7598122038348 2000 18.7928027668997 2001 18.8374444925058 2002 18.9058403804596 2003 18.9896776494701 2004 19.0857930242209 2005 19.1992286212691 2006 19.3019633970092 2007 19.3430109649023 2008 19.3210960257139 2009 19.2212295202179 2010 19.0204322029377 2011 18.7468514944248 2012 18.4316700847634 2013 18.1002849791984 2014 17.7633603077529 2015 17.412206714429 2016 17.050361347077 2017 16.7050886481054 2018 16.396656115273 2019 16.1289912684862 2020 15.912618202952 2021 15.7466652190098 2022 15.6109239212519 2023 15.4849499953287