Year % of male population 1960 26.3781949179468 1961 26.3438527486837 1962 26.1221600675587 1963 25.8955453164665 1964 25.7869074189369 1965 25.7731966606624 1966 25.790158243136 1967 25.8538955563527 1968 25.9390965313256 1969 26.0145910450542 1970 26.038158674435 1971 25.9984955150129 1972 25.9508886862205 1973 25.8987063690195 1974 25.7985937123762 1975 25.6072721765936 1976 25.3359930124898 1977 25.0079392488511 1978 24.5977823844293 1979 24.0780101734743 1980 23.4481912157429 1981 22.7905338604569 1982 22.1800651903754 1983 21.6051594547384 1984 21.0078753973361 1985 20.4071607280994 1986 19.7961202522889 1987 19.1654254865823 1988 18.5716933055868 1989 17.9940224600725 1990 17.4466699028246 1991 16.7178365997894 1992 16.1257825112672 1993 15.8929230440855 1994 15.6903567154648 1995 15.5326694156549 1996 15.4152159556992 1997 15.3272602156758 1998 15.2519411266053 1999 15.1947394242688 2000 15.1493288428066 2001 15.1004247745234 2002 15.0790392826145 2003 15.0473436464904 2004 14.9983046635038 2005 14.9857043499521 2006 14.9836186968401 2007 14.9700093035762 2008 14.9676271758764 2009 14.9866809668371 2010 14.9915276168471 2011 14.9624943054201 2012 14.9102586445178 2013 14.8322456406365 2014 14.7229398866194 2015 14.5811985290174 2016 14.4047574220926 2017 14.2159585477306 2018 14.0126076687874 2019 13.7955253989922 2020 13.5770847828957 2021 13.3502050011192 2022 13.1070628305715 2023 12.8539188945239