Year % of male population 1960 19.2153740600485 1961 19.2005409357227 1962 19.1705635669648 1963 19.1427390850312 1964 19.132898960085 1965 19.1346087164841 1966 19.1423198470425 1967 19.1568334808841 1968 19.1626328485201 1969 19.149044759361 1970 19.1203281822527 1971 19.0652694766999 1972 18.9684312985531 1973 18.8493548092019 1974 18.7367457818348 1975 18.6376767387429 1976 18.4642060683519 1977 18.1448232328086 1978 17.7691897638494 1979 17.4163581818974 1980 17.0627833160665 1981 16.7440368726238 1982 16.4813279345053 1983 16.198905459021 1984 15.905976605676 1985 15.6414102645685 1986 15.3999051866356 1987 15.1710538362636 1988 14.9349517514668 1989 14.6779507427647 1990 14.3869536273251 1991 14.0538532490884 1992 13.6694498269816 1993 13.2637374418253 1994 12.8613590382687 1995 12.5418636947434 1996 12.348866647365 1997 12.2324974285915 1998 12.1455064802092 1999 12.0394920655218 2000 11.8968584499094 2001 11.7072093597566 2002 11.4589988740791 2003 11.1425200868804 2004 10.8064149660797 2005 10.3706515005981 2006 9.89607443447523 2007 9.55565664555257 2008 9.32521814233399 2009 9.1622335778152 2010 9.10234286367028 2011 9.11918053349726 2012 9.10240689493981 2013 9.03730089228 2014 8.93952590768587 2015 8.76976418799764 2016 8.51169417012606 2017 8.24893996029628 2018 8.03531480387654 2019 7.86068345167848 2020 7.84154069746844 2021 7.86764492725358 2022 7.7624761648227 2023 7.60089251991768