Year % of male population 1960 32.5314013139135 1961 33.0200462357127 1962 33.624671213945 1963 34.3037713015014 1964 34.9187255174116 1965 35.4917931528623 1966 36.4480819896245 1967 37.7490145205113 1968 38.9726951493736 1969 40.0784902821555 1970 41.0207592843282 1971 41.5531447648573 1972 41.7114498712473 1973 41.7710346832985 1974 41.7523480350318 1975 41.6386567885809 1976 40.9738094055102 1977 39.9028625065424 1978 38.9538117593856 1979 38.1550988060014 1980 37.5476713278632 1981 36.970493327255 1982 36.3662115551209 1983 35.8228713819893 1984 35.5204600799191 1985 35.2972674221799 1986 35.3571495778078 1987 35.7301278633472 1988 35.9203834177105 1989 35.8936421810199 1990 35.4052066574826 1991 34.0990130959744 1992 33.2117970524066 1993 31.3675351052793 1994 29.4548114643401 1995 28.6569941725725 1996 28.2273081658088 1997 27.6114878278234 1998 26.8447034948203 1999 26.0050191662455 2000 25.14983750592 2001 24.3253854207296 2002 23.5662073644657 2003 22.8838478294707 2004 22.2624226241477 2005 21.8103681761276 2006 21.5765618597733 2007 21.4134501476599 2008 21.2380059545811 2009 21.0319104913451 2010 20.8827907895518 2011 20.6286355819056 2012 20.2285752907237 2013 19.8523847972571 2014 19.7192336853388 2015 19.4475671222534 2016 19.2810237909378 2017 19.1865361166911 2018 18.7874798957242 2019 18.4666214913585 2020 18.6073506398209 2021 18.7678053124365 2022 18.3850405295176 2023 17.8209337271975