Year % of male population 1960 0.600040357316738 1961 0.575206614694904 1962 0.557339422773937 1963 0.553393422937253 1964 0.551125926799109 1965 0.54751655619156 1966 0.54623892748848 1967 0.546426036409088 1968 0.545221234620787 1969 0.541699344734232 1970 0.534507266246388 1971 0.526215561667402 1972 0.519657360598854 1973 0.518848687848978 1974 0.528553875592214 1975 0.551277012449234 1976 0.589789962973141 1977 0.646020705659648 1978 0.720646992333894 1979 0.809883541709202 1980 0.905395236377391 1981 1.00025150039703 1982 1.08559208659502 1983 1.15441684797108 1984 1.20933567475569 1985 1.25583240455636 1986 1.29401770071596 1987 1.3220980034424 1988 1.3481328889566 1989 1.37686652316069 1990 1.40278879767064 1991 1.3811517566587 1992 1.33385883499451 1993 1.29461474821012 1994 1.23119369475863 1995 1.14489782346501 1996 1.03987871205228 1997 0.936309064704167 1998 0.869610151849583 1999 0.856446153508074 2000 0.892426863288611 2001 0.974577763025859 2002 1.08303916774574 2003 1.19781019632922 2004 1.31763529697277 2005 1.44100854701308 2006 1.57435506325541 2007 1.71932369600452 2008 1.87178157000995 2009 2.02660100587039 2010 2.17999529254956 2011 2.33343260393338 2012 2.48507963448104 2013 2.63447707630002 2014 2.7771723983439 2015 2.90357498260602 2016 3.01589999974959 2017 3.11417090356738 2018 3.19926496947284 2019 3.26930665812708 2020 3.28153168669189 2021 3.20242954862307 2022 3.08004354476079 2023 2.98900017825879