Year % of female population 1960 0.619071602451104 1961 0.59988810377339 1962 0.583645634945015 1963 0.577905976418198 1964 0.581302277184136 1965 0.595450049455984 1966 0.619860971245881 1967 0.645454281932111 1968 0.672320268928108 1969 0.6944313399883 1970 0.710249750993698 1971 0.727689837118605 1972 0.743817357548118 1973 0.759638301480893 1974 0.777953005647428 1975 0.794043802722684 1976 0.806720676173937 1977 0.82119093742104 1978 0.83905415713196 1979 0.854449749051291 1980 0.866277015960693 1981 0.879186791678505 1982 0.894484914779559 1983 0.909520975445986 1984 0.925898113660939 1985 0.947937385851924 1986 0.966176534879993 1987 0.98166034264689 1988 0.9980846988721 1989 1.01401541695865 1990 1.02923668983084 1991 1.04455587588299 1992 1.0626548863269 1993 1.08525382327952 1994 1.10751405690918 1995 1.13186521279973 1996 1.16267138661228 1997 1.1933052904472 1998 1.22787122787123 1999 1.26424145512692 2000 1.29789634184135 2001 1.33376848094484 2002 1.3757202804047 2003 1.42491690516555 2004 1.47934353375922 2005 1.54006818072694 2006 1.60529927791371 2007 1.6709404753425 2008 1.73612136315053 2009 1.80066952487226 2010 1.86861910040254 2011 1.93327115040351 2012 1.98409270234002 2013 2.02040453917935 2014 2.04267684681348 2015 2.05334270363401 2016 2.05563636773677 2017 2.05201274514204 2018 2.04637558192759 2019 2.04663255612406 2020 2.05505967194257 2021 2.03336952867057 2022 1.98935198935199 2023 1.99797132439619