Year % of male population 1960 19.5511814005936 1961 19.8081946952429 1962 19.9429547358812 1963 19.9446145529265 1964 19.8121377739398 1965 19.5601112454558 1966 19.2225969090596 1967 18.8446494647293 1968 18.4690967017713 1969 18.1355254191969 1970 17.8676035071883 1971 17.6553655617777 1972 17.4685483023566 1973 17.2934631355251 1974 17.1361195988467 1975 17.0051617035943 1976 16.9083577310734 1977 16.8539172840041 1978 16.8514956633364 1979 16.8958699877722 1980 16.9650636995894 1981 17.039521374791 1982 17.1084655873468 1983 17.1760221799739 1984 17.2521086321568 1985 17.3418898167639 1986 17.5425780567023 1987 17.8777461417005 1988 18.243232043399 1989 18.5154998759142 1990 18.6592131731595 1991 18.640729271963 1992 18.5730793369182 1993 18.4669438488394 1994 18.1373856452037 1995 17.6458663720723 1996 17.0741344869865 1997 16.3843973252008 1998 15.71005094126 1999 15.1207361977718 2000 14.6863095029348 2001 14.4921394974363 2002 14.3631726559979 2003 14.1958960734006 2004 14.0376124367283 2005 13.8632710339244 2006 13.65879669766 2007 13.534245001954 2008 13.5274737639413 2009 13.636053461371 2010 13.8279193081513 2011 14.0593772196892 2012 14.2676190397282 2013 14.4264207883243 2014 14.527647392027 2015 14.5615339345945 2016 14.5086587310839 2017 14.3551641103177 2018 14.1358616003435 2019 13.8765536186387 2020 13.5818166425231 2021 13.2741952283087 2022 13.0061061362437 2023 12.7513520004435