Year % of male population 1960 18.2707448179761 1961 18.0099920182731 1962 17.6893151465797 1963 17.354361730158 1964 17.0823339933336 1965 16.8964434034143 1966 16.7724079213057 1967 16.6934843873999 1968 16.65776991451 1969 16.6214945209063 1970 16.8404992619344 1971 17.2212545161717 1972 17.4685365874572 1973 17.5899706445151 1974 17.4157847411614 1975 16.7958342090915 1976 15.9083124343395 1977 14.6946627669448 1978 13.5512910860571 1979 13.3658149829834 1980 14.4427543801318 1981 16.1835179551339 1982 18.1028468439746 1983 20.059322613091 1984 21.4997692808184 1985 22.1819569253098 1986 22.2575041882079 1987 22.1065535054742 1988 21.8847477014399 1989 21.4876458548005 1990 20.9143110995658 1991 20.3599043759889 1992 19.5439797363151 1993 18.6366018561668 1994 18.0532082008072 1995 17.582229762059 1996 16.9628492278552 1997 16.2280913064127 1998 14.8846660559264 1999 13.6413760908039 2000 13.1119732863707 2001 12.7468016236358 2002 12.6048162215914 2003 12.4691074521299 2004 12.24537140579 2005 12.0749193167231 2006 11.9447987006756 2007 11.840237056681 2008 11.7589614891382 2009 11.6917230812409 2010 11.6196175558746 2011 11.5310368837693 2012 11.4311147356535 2013 11.3283811967928 2014 11.2329667521951 2015 11.1397462293387 2016 11.0314066522097 2017 10.8889221469944 2018 10.7146590234093 2019 10.5159423751668 2020 10.2934843294835 2021 10.0594576177401 2022 9.83604848806444 2023 9.62204761692069