Year % of female population 1960 10.6508644858462 1961 10.6169655405339 1962 10.6127577766014 1963 10.6731702387076 1964 10.756004573246 1965 10.7175716325849 1966 10.562586313634 1967 10.4501484727887 1968 10.453021891394 1969 10.5790256667623 1970 10.8497021854334 1971 11.2707407314376 1972 11.8824356261858 1973 12.8365541942018 1974 13.8556682257323 1975 14.6593880923782 1976 15.2565126722452 1977 15.5698811929241 1978 15.5774398907843 1979 15.3009765329267 1980 14.8391299118522 1981 14.3252108975629 1982 13.8429024654317 1983 13.4843531859802 1984 13.304408277288 1985 13.2494969641188 1986 13.2733613787565 1987 13.3598258170764 1988 13.4384194701706 1989 13.469733986922 1990 13.4413852617075 1991 13.3276643738765 1992 13.1549355866263 1993 12.9491060960623 1994 12.7420324451318 1995 12.5936461217705 1996 12.5177854987058 1997 12.4713995311075 1998 12.4194220436126 1999 12.321450173353 2000 12.1438234474489 2001 11.8815930565893 2002 11.545515226244 2003 11.1649140910433 2004 10.7721729711877 2005 10.3993476107185 2006 10.0608663787863 2007 9.75469214959556 2008 9.48234936623916 2009 9.24586827229908 2010 9.04946996798536 2011 9.34745196366741 2012 9.79898651696936 2013 9.82406106115113 2014 9.86338678395754 2015 9.92123188028834 2016 9.96745210965071 2017 9.98872190795226 2018 9.9756268145435 2019 9.92743688728289 2020 9.88841752706735 2021 9.89096204381032 2022 9.79632000793991 2023 9.60037736769