Year % of female population 1960 1.70102272758441 1961 1.70267879255662 1962 1.70366424389836 1963 1.70243609918767 1964 1.70323355136537 1965 1.70412984683419 1966 1.70358666255555 1967 1.70363906690445 1968 1.71452249135109 1969 1.73461717967629 1970 1.75283449264134 1971 1.76894767284353 1972 1.78626302828214 1973 1.80117993435728 1974 1.81041701917573 1975 1.81741273681084 1976 1.82272868200983 1977 1.82543245579321 1978 1.82022957152226 1979 1.8040547503913 1980 1.78828619482547 1981 1.77886447225348 1982 1.770629328445 1983 1.75556212436929 1984 1.74219120269632 1985 1.72808191231123 1986 1.71050089858553 1987 1.6928453216513 1988 1.68185109465963 1989 1.68494617788883 1990 1.68970681355833 1991 1.69187208238656 1992 1.69115937317736 1993 1.64117441082848 1994 1.54180122827532 1995 1.49325806158345 1996 1.53461493927015 1997 1.56155624469771 1998 1.54982562457922 1999 1.54063917520601 2000 1.52565058791894 2001 1.52773483481691 2002 1.54575480907026 2003 1.56678428124532 2004 1.59250657602718 2005 1.62542104890169 2006 1.66419005290479 2007 1.70650523591375 2008 1.74434821809752 2009 1.77130874061113 2010 1.78381761579031 2011 1.78529737261927 2012 1.78303578625757 2013 1.78211444768935 2014 1.791454467695 2015 1.79418499512148 2016 1.78551421586447 2017 1.77817938044865 2018 1.77349301765581 2019 1.77007163894997 2020 1.75798096286203 2021 1.73682674394075 2022 1.71295358681759 2023 1.69125025789278