Year % of female population 1960 9.51551372868016 1961 9.56401592102798 1962 9.65352792260315 1963 9.78389011315857 1964 9.94490581218864 1965 10.0877796880152 1966 10.2038494915229 1967 10.3205815754976 1968 10.4371506048027 1969 10.5489581776798 1970 10.6853938701072 1971 10.8506406686122 1972 11.0215228591987 1973 11.2010593958768 1974 11.3817946761427 1975 11.5507457092176 1976 11.6928745477437 1977 11.7882045947455 1978 11.8175655005761 1979 11.7733499526897 1980 11.6569089656364 1981 11.4726520356624 1982 11.2260811857095 1983 10.9097497283331 1984 10.5596623276427 1985 10.2158415186259 1986 9.88303816213546 1987 9.57617201973602 1988 9.3269679990139 1989 9.13990710795083 1990 9.00430896903926 1991 8.93410284608936 1992 8.92884562512783 1993 8.97622911174561 1994 9.06162104514548 1995 9.16243014140241 1996 9.26149433839147 1997 9.35722512959258 1998 9.45116696787577 1999 9.53496396030692 2000 9.61263025609295 2001 9.68124152376772 2002 9.71840920850948 2003 9.71555102081991 2004 9.6691229686786 2005 9.57916078216271 2006 9.45342991592501 2007 9.30595498536698 2008 9.14734520079094 2009 8.98434997548664 2010 8.81921458558485 2011 8.65082801285069 2012 8.48698930375995 2013 8.32015489879591 2014 8.15351829501811 2015 7.99976231188574 2016 7.8486858433134 2017 7.67532489690313 2018 7.49261905916759 2019 7.31950676002578 2020 7.15248059103774 2021 7.01560568123218 2022 6.93939024821056 2023 6.91598593522632