Year % of male population 1960 2.18518989746921 1961 2.16916497069005 1962 2.160952307655 1963 2.15688329214152 1964 2.15239551023362 1965 2.1463007713824 1966 2.13958236693512 1967 2.13177927287659 1968 2.12419321780727 1969 2.11858920382276 1970 2.11448890054115 1971 2.11130138751954 1972 2.10187404759734 1973 2.09331413783952 1974 2.09237476580121 1975 2.09212895754899 1976 2.09306537656317 1977 2.0956879624538 1978 2.09638278557011 1979 2.09249865869477 1980 2.09315197615029 1981 2.1000778574114 1982 2.10719757271121 1983 2.11376224070759 1984 2.12050241333918 1985 2.12947849216265 1986 2.14193952473151 1987 2.15747559854242 1988 2.17578036164944 1989 2.19660385529394 1990 2.21774937166402 1991 2.23783583448022 1992 2.25653676487907 1993 2.27449591309901 1994 2.29386065883008 1995 2.31596644274876 1996 2.36109983599793 1997 2.43242276436885 1998 2.51168315848203 1999 2.59670898347994 2000 2.68555528508033 2001 2.774984176823 2002 2.86210887098562 2003 2.94679272878037 2004 3.03158625228803 2005 3.09880814928069 2006 3.15188397126443 2007 3.21521155431814 2008 3.28963884468411 2009 3.37141329656647 2010 3.45558995091642 2011 3.53704184710838 2012 3.61557210042426 2013 3.69780686385893 2014 3.78610086102871 2015 3.88667981478361 2016 3.99736251254982 2017 4.10930701873866 2018 4.22376910352442 2019 4.33972504306431 2020 4.41718751454865 2021 4.4869402156042 2022 4.59716097993245 2023 4.72037717856001