Year % of male population 1960 26.0115418746021 1961 25.474941691841 1962 25.0099088386841 1963 24.7125624950743 1964 24.5805092042077 1965 24.533072635312 1966 24.5582201194893 1967 24.5730613787016 1968 24.4615347652087 1969 24.281346245972 1970 24.0924027497179 1971 23.9315516590061 1972 23.820846036346 1973 23.7101752166498 1974 23.5866709823947 1975 23.4481546151602 1976 23.2454622126579 1977 22.9516010561213 1978 22.5698401249436 1979 22.1208707617613 1980 21.6071056310545 1981 20.9987049389199 1982 20.3915550622823 1983 19.8960073626328 1984 19.4912286817038 1985 19.1388868247009 1986 18.7804823426611 1987 18.4071909054564 1988 18.0968455005451 1989 17.8731196323025 1990 17.6965591984767 1991 17.5995986929598 1992 17.6285628518177 1993 17.7234281895161 1994 17.8590061986234 1995 18.0545005228339 1996 18.2873422939306 1997 18.5303206037739 1998 18.768326597105 1999 18.9893729326483 2000 19.1741443201967 2001 19.3074350163901 2002 19.3892743886683 2003 19.4250555794711 2004 19.4099696064282 2005 19.3457180085008 2006 19.2592480213108 2007 19.1393749386303 2008 18.9882571290762 2009 18.8112259735319 2010 18.6036543564121 2011 18.3825499884814 2012 18.1456203503374 2013 17.9043708290403 2014 17.6734363025356 2015 17.4590407727366 2016 17.2851842411853 2017 17.1542359376335 2018 17.0319923762967 2019 16.9066200553804 2020 16.7855108314467 2021 16.6810889660138 2022 16.5722623297565 2023 16.4531176523991