Year % of male population 1960 31.248148001240004 1961 31.313563335086755 1962 31.205101071295523 1963 31.043864735729112 1964 30.923000056024247 1965 30.857478317922332 1966 30.732168469236772 1967 30.572456129423205 1968 30.442756973113024 1969 30.27582873777474 1970 30.073112205123202 1971 29.830518379800452 1972 29.565863347593393 1973 29.27332715652899 1974 28.96278560511221 1975 28.626183674546116 1976 28.26557395604113 1977 27.903095350850116 1978 27.533362655030114 1979 27.159759134186448 1980 26.804338131589784 1981 26.489744313189565 1982 26.19421904017762 1983 25.875814824016906 1984 25.55267564935161 1985 25.232257252683567 1986 24.90569668900887 1987 24.600898871099734 1988 24.333957857149894 1989 24.088268043241793 1990 23.867881923572234 1991 23.659887979043987 1992 23.46759226304134 1993 23.291400628852585 1994 23.097178282479 1995 22.88153500795042 1996 22.665549542182276 1997 22.46149104530292 1998 22.266177664217107 1999 22.074565231194793 2000 21.874111244590765 2001 21.662249010655113 2002 21.446471790691138 2003 21.223278203166476 2004 20.98909491017649 2005 20.74962174938665 2006 20.520408814456783 2007 20.31200721569017 2008 20.133394729036738 2009 19.97263439641177 2010 19.818256370946383 2011 19.672168550790882 2012 19.518443348638193 2013 19.363010559665025 2014 19.205649630778776 2015 19.04913805911221 2016 18.90374397011358 2017 18.773018400063766 2018 18.63186185415726 2019 18.472295178918714 2020 18.301647407586124 2021 18.1186332290306 2022 17.900582694804044 2023 17.661063039830783