Year % of female population 1960 5.78798177429952 1961 6.15628779692269 1962 6.73107639537615 1963 7.24251362789566 1964 7.70302565101894 1965 8.13420729395629 1966 8.32652250868405 1967 8.26752876484107 1968 8.15105561844118 1969 8.01520597588474 1970 7.89134740619796 1971 7.79547915116788 1972 7.72791266647051 1973 7.68373413751193 1974 7.66302843673353 1975 7.64370547850784 1976 7.62973190259746 1977 7.61284899274302 1978 7.6124608313854 1979 7.63274020414907 1980 7.63513148098726 1981 7.61677552644586 1982 7.57445520229569 1983 7.500747819653 1984 7.41282602670398 1985 7.35515407080062 1986 7.34911787010143 1987 7.38703536861969 1988 7.41320100731013 1989 7.36697318833001 1990 7.21908978325031 1991 6.97186283504814 1992 6.70057912799731 1993 6.47579514634343 1994 6.32595434634115 1995 6.29721917668309 1996 6.36218575273373 1997 6.42144336075503 1998 6.42164273775031 1999 6.38537699153173 2000 6.32172995581556 2001 6.24296087992982 2002 6.17793673847657 2003 6.15654541398315 2004 6.16059468166298 2005 6.14515525951711 2006 6.10981450114848 2007 6.05559114792185 2008 5.96740946576453 2009 5.84879115623397 2010 5.74232700211963 2011 5.65544110504261 2012 5.58108845440723 2013 5.55318059495414 2014 5.57451202718595 2015 5.61142108694941 2016 5.65213177114147 2017 5.69088868752466 2018 5.71424155711309 2019 5.72064464589466 2020 5.71322989552327 2021 5.71105503628959 2022 5.71551949402249 2023 5.72131323460105