Year % of male population 1960 21.5381811554584 1961 21.7171085472169 1962 21.8561393297016 1963 21.9600038428578 1964 22.0455683804964 1965 22.1283573640275 1966 22.1865321856463 1967 22.1868193570097 1968 22.1396230085597 1969 22.0664029527894 1970 21.9649844133079 1971 21.8689013685583 1972 21.7787276009727 1973 21.6593662228112 1974 21.5224011145727 1975 21.386587193731 1976 21.2649091703355 1977 21.1410671797725 1978 21.0260613552521 1979 20.9382169618633 1980 20.8496115157661 1981 20.7649148759337 1982 20.6881785403228 1983 20.588047577977 1984 20.4768382253484 1985 20.3730932019268 1986 20.2644302757667 1987 20.1446911942961 1988 19.9981309935352 1989 19.7997551428173 1990 19.5403050462239 1991 19.2353436332197 1992 18.8913699229737 1993 18.5359527219218 1994 18.2003671111833 1995 17.9187699585653 1996 17.7129951573567 1997 17.5708264679208 1998 17.4930481733884 1999 17.4488523863948 2000 17.4122602907273 2001 17.3909413778774 2002 17.3821817993651 2003 17.3487916573407 2004 17.2868182365241 2005 17.2224235956395 2006 17.1430666081254 2007 17.0617481635136 2008 16.986592245794 2009 16.8828042825746 2010 16.7006706980617 2011 16.4135755245181 2012 16.0379459838596 2013 15.5983124416914 2014 15.1355814661171 2015 14.7147841094718 2016 14.3788286421992 2017 14.09832614306 2018 13.8395309234419 2019 13.6185925772251 2020 13.4280441126924 2021 13.2367520765342 2022 13.0802748227629 2023 12.9782025117673