Year % of male population 1960 17.36232974493398 1961 17.446427700413594 1962 17.531873397138106 1963 17.610735995561058 1964 17.684880434618336 1965 17.747042529956765 1966 17.79692708274502 1967 17.836062643398233 1968 17.868866537703397 1969 17.9024262677847 1970 17.93357969686737 1971 17.96895807907304 1972 18.024603787928342 1973 18.10206390142506 1974 18.20005502601896 1975 18.31337303658715 1976 18.417501317674088 1977 18.52957132795556 1978 18.661717622784842 1979 18.78207556735011 1980 18.882636333900514 1981 18.95430768675169 1982 18.982354489511476 1983 18.990043505179287 1984 18.964839176070836 1985 18.887121758731364 1986 18.77976932664832 1987 18.64812772845804 1988 18.479492901651696 1989 18.32527067525563 1990 18.222074863400387 1991 18.142265728462146 1992 18.080843042375278 1993 18.033511097675444 1994 17.989540027367642 1995 17.943630900124184 1996 17.90215973468451 1997 17.863430313097247 1998 17.818135831773446 1999 17.788752983355803 2000 17.790106678090574 2001 17.812359751368668 2002 17.84149943746031 2003 17.869128518842107 2004 17.884212688529573 2005 17.886204923942678 2006 17.88303043293061 2007 17.8689467205618 2008 17.84799525640706 2009 17.82240084851323 2010 17.783501331621473 2011 17.729223841882476 2012 17.66189807359418 2013 17.564113805511635 2014 17.429298245488006 2015 17.272213219659054 2016 17.099364069930207 2017 16.91785092202532 2018 16.743747136480966 2019 16.582437682268374 2020 16.428293293587537 2021 16.283038849560537 2022 16.139507281597403 2023 15.988876751499442