Year % of male population 1960 0.215481053438646 1961 0.219771177283802 1962 0.224330188671767 1963 0.228918221286154 1964 0.233896681445255 1965 0.239160304819506 1966 0.244611096231487 1967 0.250426417709766 1968 0.256580043354336 1969 0.262536340490077 1970 0.269138279326141 1971 0.276775252172441 1972 0.284760859699446 1973 0.293198562397781 1974 0.302646874452703 1975 0.312905864859401 1976 0.323378062183797 1977 0.332762500849758 1978 0.340396751956959 1979 0.346951987869451 1980 0.352386868277862 1981 0.358062839747882 1982 0.365067567651405 1983 0.373657759186601 1984 0.384170011819711 1985 0.395690617392563 1986 0.408087773969063 1987 0.420332650519522 1988 0.431154950727119 1989 0.440111813561128 1990 0.448286549469265 1991 0.456665225991619 1992 0.464981859160488 1993 0.473591168360476 1994 0.482552947562537 1995 0.493570025247332 1996 0.507113909500977 1997 0.523438659007263 1998 0.540988985915743 1999 0.556651178122009 2000 0.570203253149896 2001 0.576942849570069 2002 0.585265636643609 2003 0.597109513429647 2004 0.608030444269889 2005 0.621775982978712 2006 0.634434853610946 2007 0.64653243538838 2008 0.656065477440086 2009 0.663913124056549 2010 0.675916494945237 2011 0.691887138881509 2012 0.710187126271516 2013 0.731944480570949 2014 0.75506579669449 2015 0.778396937832435 2016 0.797380290888758 2017 0.814748247635469 2018 0.84015715879381 2019 0.873775709542727 2020 0.90423816560003 2021 0.929875743104926 2022 0.956126266509007 2023 0.986293726269617