Year % of male population 1960 17.6906600258653 1961 17.7444933259683 1962 17.7910130857789 1963 17.8390750610022 1964 17.8971279377889 1965 17.9739709499163 1966 18.070003265826 1967 18.1764460732851 1968 18.2864598299947 1969 18.3937870461472 1970 18.4928107448036 1971 18.5880599058791 1972 18.6857159673171 1973 18.7673813820189 1974 18.8229816281001 1975 18.8311826410043 1976 18.7829542783711 1977 18.705336999457 1978 18.6268853443965 1979 18.542793161833 1980 18.4096522261531 1981 18.2420797727153 1982 18.0455054878649 1983 17.8058081089904 1984 17.6792981389169 1985 17.6768830625404 1986 17.6682685976041 1987 17.6688880748684 1988 17.6872830222576 1989 17.6401991562558 1990 17.5257534332941 1991 17.4061700521727 1992 17.2880419995846 1993 17.1525485452067 1994 17.0210610776944 1995 16.914819599704 1996 16.8207205112305 1997 16.8188221390169 1998 16.7898523907679 1999 16.6679465172248 2000 16.4135122602149 2001 16.2235588991094 2002 16.2491137455528 2003 16.2415010541077 2004 16.2071880007994 2005 16.2155504056827 2006 16.2240755168018 2007 16.2481474650819 2008 16.3794801562292 2009 16.4752381763126 2010 16.5862473466147 2011 16.7842351071223 2012 16.9367718727774 2013 16.9928042377259 2014 16.9026008772285 2015 16.6660566159995 2016 16.32347700797 2017 15.9529065988797 2018 15.5900371329839 2019 15.248945539018 2020 14.9395489635397 2021 14.6751993697576 2022 14.4263556285391 2023 14.1862088479744