Year % of male population 1960 17.5466725803862 1961 17.8704261273069 1962 18.2057034539849 1963 18.5521588088124 1964 18.8941984728346 1965 19.4953473540587 1966 20.3625853038936 1967 21.0618413634589 1968 21.3988880124015 1969 21.3556961751315 1970 21.0233999459762 1971 20.5803658073344 1972 20.0361044299479 1973 19.1022585503842 1974 18.2546039648407 1975 17.8427882239506 1976 17.560651714253 1977 17.3817659913275 1978 17.1962953998314 1979 16.9551088056638 1980 16.6803261596246 1981 16.3595180789346 1982 16.0145289689472 1983 15.6608649120584 1984 15.2717367152715 1985 14.9161670963563 1986 14.6710317894885 1987 14.4876262892949 1988 14.3176445503342 1989 14.110179557883 1990 13.8249879073117 1991 13.4702320983736 1992 13.0695209453779 1993 12.6428485430104 1994 12.2150797650122 1995 11.8105246628615 1996 11.4420480829271 1997 11.1092338918552 1998 10.8090771409036 1999 10.5383793384857 2000 10.3406711464317 2001 10.2712439295093 2002 10.3264183467681 2003 10.4798097302623 2004 10.6981347259962 2005 10.9254646799821 2006 11.0810831306678 2007 11.1536580431221 2008 11.1740916659109 2009 11.1490998781297 2010 11.1193585596167 2011 11.4707864299505 2012 11.7051288808353 2013 11.3809007744101 2014 11.1140855005075 2015 10.849784310674 2016 10.5092137570941 2017 10.2285135888821 2018 10.0181483285223 2019 9.76223576244243 2020 9.49587361387388 2021 9.24966164477959 2022 9.01733128095752 2023 8.79629456869908