Year % of male population 1960 17.9698167992406 1961 18.0597589695231 1962 18.1363146409443 1963 18.1935330247151 1964 18.2293061880525 1965 18.244418736091 1966 18.2357323988723 1967 18.2086137506054 1968 18.1754195224756 1969 18.1470643295597 1970 18.127563627733 1971 18.1228925248064 1972 18.1414907056488 1973 18.1810857155869 1974 18.2832927476295 1975 18.429691473411 1976 18.5604130411791 1977 18.6676238691492 1978 18.7466960252902 1979 18.8087842894678 1980 18.8696031621625 1981 18.9468243517641 1982 19.0290922949882 1983 19.108004153219 1984 19.1415772399226 1985 19.1315607079108 1986 19.1365310115125 1987 19.1533056513941 1988 19.1742890167563 1989 19.1852138062736 1990 19.182549882162 1991 19.1730163549095 1992 19.1570953198798 1993 19.1386131609778 1994 19.1039295570814 1995 19.0363820094749 1996 18.940256573451 1997 18.8380765516595 1998 18.7582961939916 1999 18.7002194658842 2000 18.6503173906973 2001 18.6107794942616 2002 18.5663809592407 2003 18.545884238037 2004 18.5644626757275 2005 18.5936749942286 2006 18.6362155856 2007 18.684081263528 2008 18.6930200162647 2009 18.6597143812482 2010 18.6070906211596 2011 18.516077944667 2012 18.3880908618203 2013 18.2322995976243 2014 18.0364771198435 2015 17.7955034307499 2016 17.506543820131 2017 17.1786979867587 2018 16.8335918822498 2019 16.4923026354029 2020 16.17177057154 2021 15.8862981953654 2022 15.6371556856206 2023 15.4140057698906