Year % of male population 1960 9.44265375631272 1961 10.1132644048423 1962 11.0786566447275 1963 11.94771818701 1964 12.6860152834179 1965 13.2700132168865 1966 13.8030825678591 1967 14.293423791535 1968 14.6737190925312 1969 15.0053617611808 1970 15.3348752766794 1971 15.6154541677867 1972 15.8663607203354 1973 16.1659598095621 1974 16.4944863609983 1975 16.4237731982238 1976 15.9593910892192 1977 15.4756590193922 1978 14.9284818601092 1979 14.3152256283024 1980 14.0336066074008 1981 14.1117858321912 1982 14.3309307118136 1983 14.7216310506011 1984 15.1625032290162 1985 15.5448251242402 1986 15.7585794461312 1987 15.7848372076299 1988 15.6656292464823 1989 15.4710169723515 1990 15.2880613728669 1991 15.2165915946602 1992 15.2392009287802 1993 15.2579875714017 1994 15.2463469247994 1995 15.1972446921805 1996 15.1354840624443 1997 15.0608474873052 1998 14.9371215984257 1999 14.7568596643949 2000 14.5239774083874 2001 14.2555365801801 2002 13.9620646266699 2003 13.7002647331151 2004 13.5233578915919 2005 13.4290142591445 2006 13.5212783974064 2007 13.7428367396321 2008 13.926267281106 2009 14.0642583839748 2010 14.1737656562988 2011 14.2542430395838 2012 14.3448654179875 2013 14.4227836453212 2014 14.3943850538572 2015 14.2206951498855 2016 13.9775368879536 2017 13.8724010609977 2018 13.8881780355806 2019 13.9008429562279 2020 13.9094970787032 2021 13.867688479006 2022 13.6327563554278 2023 13.2615634812848