Year % of male population 1960 16.395568236202 1961 16.4394019763966 1962 16.4816935220679 1963 16.5204377193502 1964 16.5540722736396 1965 16.581308368085 1966 16.6027498971479 1967 16.6217691475705 1968 16.6426333773165 1969 16.6732620929941 1970 16.7226864644185 1971 16.7948742952732 1972 16.8850146486328 1973 16.9862534646378 1974 17.090960973269 1975 17.1936575738386 1976 17.2942442114532 1977 17.3973137852255 1978 17.5050814679707 1979 17.6221023396611 1980 17.7364738433852 1981 17.8338515870519 1982 17.9225070807648 1983 18.0040394877371 1984 18.0658890454322 1985 18.1124105060489 1986 18.1588443098663 1987 18.2056348414751 1988 18.254785170429 1989 18.313554609364 1990 18.3671378208982 1991 18.4123180935359 1992 18.4574227033662 1993 18.4824253089477 1994 18.483149216804 1995 18.4427041184154 1996 18.3694901013137 1997 18.4122739032754 1998 18.4168687147208 1999 18.2954333313582 2000 18.2325696497395 2001 18.2653214387507 2002 18.1839705532253 2003 17.9692260790025 2004 17.8186999838019 2005 17.7283602669135 2006 17.6646799937379 2007 17.6086831940277 2008 17.578341026327 2009 17.5655538459878 2010 17.5437972831326 2011 17.4945906226614 2012 17.4196977219946 2013 17.3163979267582 2014 17.1833970529906 2015 17.045263949247 2016 16.9145434945148 2017 16.7712291844622 2018 16.6000622347414 2019 16.4019208846123 2020 16.1795630262466 2021 15.9451520404768 2022 15.7188190288327 2023 15.4993539984078