Year % of female population 1960 1.4645835857787495 1961 1.4681768680898934 1962 1.4704054224698948 1963 1.471526248063022 1964 1.472210717267509 1965 1.4726817710190223 1966 1.4738375334326643 1967 1.4763071629384465 1968 1.4792344224416796 1969 1.481581709483032 1970 1.4829086275331604 1971 1.4794714290740958 1972 1.4754082085745093 1973 1.4749355597464235 1974 1.4748854094517914 1975 1.474639443878243 1976 1.475795185001645 1977 1.47860372906309 1978 1.4804813942929123 1979 1.48120635718747 1980 1.481788918598307 1981 1.4818831800684333 1982 1.4799354189793468 1983 1.4755058897342581 1984 1.4707661239379584 1985 1.466758958222906 1986 1.462347034202562 1987 1.4574276518671314 1988 1.4515827588383778 1989 1.445309363133408 1990 1.4398485225054274 1991 1.4349454247748552 1992 1.4305808770943342 1993 1.4258104802441465 1994 1.4178998655745623 1995 1.4097322157853724 1996 1.4037283685066648 1997 1.398170510205991 1998 1.393654258184271 1999 1.391072316163563 2000 1.3895110797953758 2001 1.3881296039222784 2002 1.3875458074878504 2003 1.3876675366991325 2004 1.387651240397232 2005 1.388014595348514 2006 1.3892953598846303 2007 1.391374326569655 2008 1.3946933348435109 2009 1.4012441115904972 2010 1.4115674591629757 2011 1.4242028206747377 2012 1.438422990884053 2013 1.4503429225113098 2014 1.460493567607169 2015 1.4764343034469596 2016 1.4987048017911473 2017 1.5250288427127061 2018 1.5583111587784864 2019 1.596445856421347 2020 1.6279974238860566 2021 1.650686957767841 2022 1.6716106713521566 2023 1.6928146855184663