Year % of male population 1960 18.0284158688772 1961 18.1592351393843 1962 18.2895370179665 1963 18.4133888215679 1964 18.5322231838554 1965 18.6471524512466 1966 18.7540455038271 1967 18.8485116627214 1968 18.9188546332627 1969 18.9580272977582 1970 18.9642750704126 1971 18.9312535654838 1972 18.8698815971742 1973 18.7978643455449 1974 18.7243384651773 1975 18.6540815674057 1976 18.5952604040868 1977 18.5558176905544 1978 18.528369544671 1979 18.4915750273342 1980 18.4494207548915 1981 18.4158600016664 1982 18.3744736769511 1983 18.3156518690906 1984 18.2521391279483 1985 18.1750759285655 1986 18.0635117786139 1987 17.9321584135067 1988 17.8042461018398 1989 17.7432656360462 1990 17.6987217503944 1991 17.6310807075398 1992 17.4945380788565 1993 17.4167861978364 1994 17.457095341336 1995 17.5534051319458 1996 17.6744775142909 1997 17.6542137481475 1998 17.4670210312982 1999 17.2019116663841 2000 16.9211166711732 2001 16.735766911409 2002 16.6511416973706 2003 16.5711754878296 2004 16.502733545014 2005 16.4559863767357 2006 16.4375641712752 2007 16.4494974797959 2008 16.6213806532266 2009 16.9544951154702 2010 17.3216605236315 2011 17.7015207901637 2012 18.0491679576487 2013 18.0086694892826 2014 17.6080288805892 2015 17.1785831820216 2016 16.7222513857445 2017 16.2532831779564 2018 15.9567021385597 2019 15.8215622879644 2020 15.6850334495995 2021 15.5587956150376 2022 15.4386385137522 2023 15.3110265541054