Year % of female population 1960 39.8640991780055 1961 39.8813336031443 1962 39.8984127276114 1963 39.9528424547052 1964 40.0499429769466 1965 40.145809256501 1966 40.2275305900017 1967 40.306414958797 1968 40.3800217522386 1969 40.4439747233156 1970 40.4966421618699 1971 40.5377258487449 1972 40.5636868965811 1973 40.5626126590883 1974 40.5426170183079 1975 40.5175621782855 1976 40.4903292575473 1977 40.4642948262697 1978 40.4382554249031 1979 40.4129670570551 1980 40.389295881914 1981 40.3674969944143 1982 40.3419642623939 1983 40.3057210313918 1984 40.2625537710985 1985 40.2188474973917 1986 40.1729681456916 1987 40.1253348156365 1988 40.072483302324 1989 40.0078680130734 1990 39.9337440476912 1991 39.842902782251 1992 39.7272410157478 1993 39.5678295860503 1994 39.3746419526611 1995 39.1779099588205 1996 38.9799559071019 1997 38.7740937176624 1998 38.5585145905381 1999 38.33528511807 2000 38.0873704679965 2001 37.8115031661839 2002 37.5032219145805 2003 37.1571360381755 2004 36.7845983782359 2005 36.3922178971575 2006 35.9997403028876 2007 35.6154804136828 2008 35.233146977696 2009 34.8581375045938 2010 34.4927055892499 2011 34.128581908678 2012 33.7686494632705 2013 33.411311468343 2014 33.0433915226684 2015 32.6748165691338 2016 32.3184321174605 2017 31.9699018761916 2018 31.6223875423447 2019 31.2764261031418 2020 30.9529042992325 2021 30.6477410032512 2022 30.3340094574282 2023 29.9864577162509