Year % of male population 1960 23.0858429271873 1961 22.5886371890925 1962 22.1543142433246 1963 21.8163088551782 1964 21.6131309965677 1965 21.5316796981014 1966 21.5291800998289 1967 21.5609147903848 1968 21.5448795738823 1969 21.4932056040832 1970 21.4387197451308 1971 21.3942525755893 1972 21.3698142938647 1973 21.3496670570718 1974 21.3411989455231 1975 21.3293781913923 1976 21.2674735482763 1977 21.1357053015572 1978 20.92197766335 1979 20.6190160096466 1980 20.2740827570266 1981 19.9132735108671 1982 19.5426515488187 1983 19.2264795944106 1984 19.0033378946717 1985 18.8414701857066 1986 18.6908407400756 1987 18.5572621769949 1988 18.5014309943711 1989 18.5092965596826 1990 18.6007445853452 1991 18.7981039479258 1992 19.0339085832533 1993 19.2680694566218 1994 19.440926246059 1995 19.5117380200605 1996 19.5093485664472 1997 19.4591772630368 1998 19.377425083508 1999 19.2662845336744 2000 19.1142350048181 2001 18.926975257292 2002 18.7315184371149 2003 18.5180374393577 2004 18.2716291194348 2005 17.986661661355 2006 17.6928626613532 2007 17.4430569150707 2008 17.2560237093523 2009 17.1519724416633 2010 17.1499586015777 2011 17.2319756961013 2012 17.3651224832419 2013 17.5193286578197 2014 17.664238936934 2015 17.8042374017286 2016 17.9460161110217 2017 18.0608929271956 2018 18.1256594017715 2019 18.1473674343442 2020 18.1387904726668 2021 18.0978087492987 2022 17.9707671140378 2023 17.7737920100279