Year % of female population 1960 39.4610775781275 1961 39.4750168111223 1962 39.4314438809425 1963 39.3322547968772 1964 39.1986355654605 1965 39.0249600442772 1966 38.8085262228636 1967 38.5688588469902 1968 38.3134155697287 1969 38.0331709249282 1970 37.7044834007907 1971 37.3161981305541 1972 36.8879161678687 1973 36.4341348100119 1974 35.9486237042048 1975 35.4349769988507 1976 34.9114960812571 1977 34.3820932557454 1978 33.8514145281977 1979 33.3268865265884 1980 32.8119169694045 1981 32.3175271435601 1982 31.843583243581 1983 31.3903644110296 1984 30.9688701254324 1985 30.5850667269874 1986 30.2407084509044 1987 29.9299220409902 1988 29.6480130084627 1989 29.3966312377473 1990 29.1705014356898 1991 28.9570143749941 1992 28.730686503779 1993 28.4835089281533 1994 28.2255503652911 1995 27.9484659175843 1996 27.6448243147215 1997 27.3090300236823 1998 26.9378389532061 1999 26.5257502319711 2000 26.0663998582108 2001 25.5749780077396 2002 25.0619148251511 2003 24.5187886141726 2004 23.9403745396177 2005 23.340513398714 2006 22.7452240664364 2007 22.1969637520124 2008 21.7079344490367 2009 21.2614886100526 2010 20.8636125357868 2011 20.5066166529999 2012 20.1831687925255 2013 19.8958496341633 2014 19.6422691224808 2015 19.4155300829304 2016 19.1749411994333 2017 18.8858602935738 2018 18.5881212832003 2019 18.3273184193919 2020 18.1302324461712 2021 17.9745182474563 2022 17.8392280287952 2023 17.699079333178