Year % of female population 1960 6.74013450326199 1961 6.71199831783717 1962 7.20079373543607 1963 7.95912083745396 1964 8.7039085406159 1965 9.07459049375715 1966 9.02625877913274 1967 8.43158531043395 1968 7.42200408441313 1969 6.41888223938887 1970 5.56291651567928 1971 5.01537101548644 1972 4.92264195430676 1973 5.20087794365904 1974 5.69716879886211 1975 6.29448637624068 1976 6.72080590628208 1977 6.90548842739347 1978 7.02099146968101 1979 7.0453792000624 1980 7.02847630135251 1981 7.06287074113697 1982 7.11411256285324 1983 7.17346125098999 1984 7.22880712369674 1985 7.29906123639903 1986 7.35030324078708 1987 7.32145814960549 1988 7.23911821563684 1989 7.07893269337191 1990 6.83247355095964 1991 6.58045265167568 1992 6.3787037549698 1993 6.20005319342832 1994 6.06207084944888 1995 6.02528905177651 1996 6.07400338485613 1997 6.1705974815164 1998 6.2770452197057 1999 6.38126453882412 2000 6.48080558608252 2001 6.54840667923326 2002 6.58264406325166 2003 6.62085894343855 2004 6.68287953178343 2005 6.7525489608576 2006 6.81862396429469 2007 6.90599532056261 2008 7.09367126256364 2009 7.32052695523315 2010 7.48400645538159 2011 7.63166336213629 2012 7.75274424639364 2013 7.71622568216819 2014 7.54771684818034 2015 7.33591051602289 2016 7.06336896221429 2017 6.74616107374375 2018 6.42301906863069 2019 6.09124100463932 2020 5.78777628407777 2021 5.5164729523364 2022 4.22676013260077 2023 3.01325420433265