Year % of female population 1960 14.6649077642976 1961 14.6276339816237 1962 14.5523540472535 1963 14.4850436220734 1964 14.3882158734595 1965 14.3082704832631 1966 14.3523634260698 1967 14.4787858875912 1968 14.5702080203598 1969 14.5570347378287 1970 14.3451081296819 1971 13.9179739328784 1972 13.33944787982 1973 12.6813784909502 1974 12.036696969093 1975 11.4732991240269 1976 11.0676658058821 1977 10.8819383992276 1978 10.8656558199406 1979 10.905455706004 1980 10.9346359944923 1981 10.9288661623925 1982 10.8890227045669 1983 10.8819987068583 1984 10.9828787673649 1985 11.1751329891504 1986 11.413961706476 1987 11.6560296950467 1988 11.8405251207872 1989 11.9169019193464 1990 11.9097400662213 1991 11.8178705816319 1992 11.6036594295051 1993 11.282364237508 1994 10.880358836704 1995 10.3925173329819 1996 9.84594012872008 1997 9.3233304178201 1998 8.84831418600123 1999 8.42580022077115 2000 8.05482491030287 2001 7.7191048640651 2002 7.41311418018354 2003 7.15761999978067 2004 6.97154377009436 2005 6.85006897448305 2006 6.77965736651933 2007 6.73791486613308 2008 6.71257492251474 2009 6.68490906643039 2010 6.65413120650537 2011 6.63988000911886 2012 6.64975592795666 2013 6.67287054840671 2014 6.68841817281909 2015 6.6954595507689 2016 6.69329831921503 2017 6.66739945041219 2018 6.58627647779045 2019 6.51663025448599 2020 6.46277987834416 2021 6.36740682660228 2022 6.2562261986842 2023 6.13400006037022