Year % of male population 1960 18.4589231837087 1961 18.3855488793619 1962 18.3190830395933 1963 18.2598573283341 1964 18.2063687682614 1965 18.1605609932823 1966 18.1222411607231 1967 18.0889446365018 1968 18.0611017178383 1969 18.0395998702623 1970 18.02351216104 1971 18.0154992296572 1972 18.0173935366287 1973 18.0286175410251 1974 18.010463095886 1975 17.972772695775 1976 17.9616092714023 1977 18.0105344813932 1978 18.1466384743998 1979 18.3272165210917 1980 18.5183128611833 1981 18.7212548481305 1982 18.9198085894139 1983 19.0806625524639 1984 19.2158345489343 1985 19.3410874270068 1986 19.4522435957695 1987 19.5485404174382 1988 19.6613365248756 1989 19.7938460890491 1990 19.9041976968734 1991 19.5127111793741 1992 18.6708379808686 1993 18.4303097170682 1994 18.7412310369823 1995 19.2185881332971 1996 19.8343203012963 1997 20.3136072960703 1998 20.4561549423455 1999 20.4370423451696 2000 20.4117609676628 2001 20.3808451568818 2002 20.3372498683937 2003 20.2787816612431 2004 20.2118177264415 2005 20.1389297046685 2006 20.0634764101592 2007 19.9820513856528 2008 19.9021683344765 2009 19.8322583235769 2010 19.753637371893 2011 19.6687166176536 2012 19.6147776455749 2013 19.5884385519138 2014 19.5707003329494 2015 19.561057769551 2016 19.5379831155136 2017 19.4736509754545 2018 19.3751893169574 2019 19.2619806213041 2020 19.1369163464898 2021 19.0038077277207 2022 18.8780498641986 2023 18.7540235166855