Year % of male population 1960 21.0435305616119 1961 21.1042103071062 1962 21.0277797751732 1963 20.816752943386 1964 20.477505465424 1965 20.0085728466363 1966 19.4920691104573 1967 19.0263757733637 1968 18.6176166465904 1969 18.2342836793263 1970 17.851147750327 1971 17.4616530986729 1972 17.0531869185959 1973 16.6257626383591 1974 16.1900499158339 1975 15.7647262447355 1976 15.361932845049 1977 14.9931276006854 1978 14.6949696088302 1979 14.4884159184126 1980 14.3197282026392 1981 14.1442137307465 1982 13.9663593929162 1983 13.7718369032443 1984 13.5566729482794 1985 13.3476761139362 1986 13.1227970739829 1987 12.8552886016264 1988 12.5620038589968 1989 12.2685409171277 1990 11.986075582162 1991 11.7443959549223 1992 11.59267427366 1993 11.5078813971252 1994 11.4275336625358 1995 11.3388637853127 1996 11.1976656107974 1997 10.9679417153376 1998 10.6891834926316 1999 10.3961632182127 2000 10.1229267956277 2001 9.87392238589588 2002 9.6098509397278 2003 9.32553606237817 2004 9.04181305875396 2005 8.75964049575949 2006 8.50032916392363 2007 8.30084155184277 2008 8.18687548720856 2009 8.14930762457866 2010 8.1486246236588 2011 8.14796188697207 2012 8.14205479204667 2013 8.10764172706301 2014 8.03224216310956 2015 7.9430127341236 2016 7.83840319949869 2017 7.67223188835005 2018 7.44578134284017 2019 7.19579383057863 2020 6.93846614515103 2021 6.71502941231746 2022 6.5560761789601 2023 6.44053649004989