Year % of female population 1960 10.1321942063214 1961 9.94527252407214 1962 9.72943381295272 1963 9.57563164048148 1964 9.61312382097972 1965 9.72780071767774 1966 9.71838710897606 1967 9.68686204075206 1968 9.6725670029482 1969 9.69441009692139 1970 9.75346170758782 1971 9.77710222755812 1972 9.73844480370038 1973 9.75321380759353 1974 9.83423641336195 1975 9.89747947585921 1976 9.91653312258751 1977 9.893250124187 1978 9.81275881168085 1979 9.72190338962835 1980 9.6719993723326 1981 9.66110748273248 1982 9.69447082209277 1983 9.76484217308084 1984 9.79586419459349 1985 9.74569274664666 1986 9.64646098828448 1987 9.51990034221892 1988 9.43419250510938 1989 9.45856892626678 1990 9.53730806230964 1991 9.57601283741982 1992 9.54303533659029 1993 9.42371292034545 1994 9.19756420616876 1995 8.90084276589648 1996 8.60200582001015 1997 8.29467790414762 1998 7.97836118616716 1999 7.70686965342142 2000 7.47438915096143 2001 7.24373939347689 2002 7.01072650747916 2003 6.79251629389122 2004 6.59951129359091 2005 6.42277542914109 2006 6.25847357943836 2007 6.15347700148121 2008 6.14775710810323 2009 6.20841826623634 2010 6.28693208700335 2011 6.35203514253081 2012 6.41273899066875 2013 6.45658401147883 2014 6.47028609881389 2015 6.49057002303708 2016 6.51573653587557 2017 6.56339088538522 2018 6.64395945568262 2019 6.73397736838697 2020 6.83625807731181 2021 6.92005945284776 2022 6.91455581916618 2023 6.81043126241787