Year % of female population 1960 39.77305645953693 1961 39.683580281998005 1962 39.80401791049855 1963 40.247507235952696 1964 40.618167347170825 1965 40.76310240412761 1966 40.80830501322334 1967 40.70079169568515 1968 40.56351784613694 1969 40.46954678373361 1970 40.317693717568154 1971 40.166180807648324 1972 39.93640935310769 1973 39.70167317197575 1974 39.598545859307634 1975 39.51524622726432 1976 39.3953663751593 1977 38.99020902467688 1978 38.1442679210859 1979 37.25962108410732 1980 36.51075993061812 1981 35.82244452255333 1982 35.25917488669096 1983 34.63751604193307 1984 33.9218025107014 1985 33.25421666524932 1986 32.66555922283639 1987 32.20214440807648 1988 31.78558970150248 1989 31.4217691180031 1990 31.165507821034016 1991 30.91042302727705 1992 30.60989612546326 1993 30.30018112635879 1994 29.927891116327075 1995 29.479821820189297 1996 28.964303530145038 1997 28.36157124043252 1998 27.75831089727331 1999 27.17932099307712 2000 26.57007527121574 2001 25.91038658280212 2002 25.18823545193751 2003 24.477575806286993 2004 23.799232224037983 2005 23.123098554658398 2006 22.555333207272483 2007 22.146691604611508 2008 21.830019766995342 2009 21.577387343422906 2010 21.362483211596462 2011 21.185342121109823 2012 21.06736588473498 2013 20.9852005617436 2014 20.921961894637185 2015 20.849338566643517 2016 20.77134007860687 2017 20.722496068114452 2018 20.64088278694241 2019 20.49740372265196 2020 20.2951652919872 2021 20.031979030569353 2022 19.745566902617313 2023 19.413384464837346