Year % of female population 1960 6.24048135668966 1961 6.20099199557171 1962 6.2277290991996 1963 6.2103348968394 1964 6.2111849762911 1965 6.26706988811872 1966 6.30029451601946 1967 6.28662168627913 1968 6.27199386011544 1969 6.22229983744008 1970 6.03705678846581 1971 5.66565240184756 1972 5.17499335822252 1973 4.77990737950613 1974 4.51587771060871 1975 4.35767333822894 1976 4.50718977913412 1977 4.93404456084269 1978 5.37442749818539 1979 5.74860237872765 1980 6.1155580548381 1981 6.37274732608163 1982 6.48675482646191 1983 6.54968266296569 1984 6.58036119161688 1985 6.58594434031801 1986 6.56452036377437 1987 6.52170097224181 1988 6.38383206708177 1989 6.15513925032732 1990 5.98644071447419 1991 5.91713772981595 1992 5.99138167478317 1993 6.20086329859792 1994 6.45445996997542 1995 6.60327294507094 1996 6.69868684254951 1997 6.64173557252712 1998 6.30799520062578 1999 5.92992381167083 2000 5.61493956194984 2001 5.37400086466391 2002 5.34395830323355 2003 5.6000600315848 2004 6.00706277473206 2005 6.39626682669922 2006 6.64911258204627 2007 6.75958120160266 2008 6.77903312839525 2009 6.75308802897344 2010 6.7838704960718 2011 6.83405843892353 2012 6.84250585729047 2013 6.87156512498123 2014 6.89922702138908 2015 6.86912509038322 2016 6.84290365282101 2017 6.8281294757949 2018 6.7567374171195 2019 6.64524798261727 2020 6.49260616906576 2021 6.30215860295291 2022 6.13898815634373 2023 6.06287193296004