Year % of male population 1960 14.1733328278424 1961 14.1302524923134 1962 14.1271591326718 1963 14.1352811106681 1964 14.3834270917046 1965 14.8888263439347 1966 15.3648768139813 1967 15.7087206123565 1968 15.8787593194096 1969 15.8767772511848 1970 15.6794310901375 1971 15.3916493852158 1972 15.1411504786842 1973 14.9036247615288 1974 14.6595906490758 1975 14.2126670540383 1976 13.5464130109422 1977 12.8460631425108 1978 12.1400301389372 1979 11.433472430685 1980 10.9190681168468 1981 10.6986577511185 1982 10.6570919143507 1983 10.6800711569533 1984 10.7842498125754 1985 10.8924611973392 1986 10.8139421037172 1987 10.6333954309246 1988 10.524420583999 1989 10.4848355753633 1990 10.4479569751427 1991 10.4044925531049 1992 10.292891056076 1993 10.1527417620644 1994 10.0612178139165 1995 10.0278978509458 1996 9.96502969461276 1997 9.88291092337335 1998 9.85005396890224 1999 9.84000115003666 2000 9.85626283367557 2001 9.93539204331384 2002 9.99559240792265 2003 9.92774625464343 2004 9.72356674195977 2005 9.51660227559379 2006 9.30972616911774 2007 9.01911189686544 2008 8.74960309900298 2009 8.53868839348195 2010 8.25297124207155 2011 7.94462944507912 2012 7.75823780085229 2013 7.73104652405782 2014 7.81867821502542 2015 7.83492404265746 2016 7.76232441258555 2017 7.63221776095535 2018 7.3383582482186 2019 6.93455562885285 2020 6.63720315131512 2021 6.41414481813484 2022 6.20896788888393 2023 6.04752338989823