Year % of female population 1960 2.52423461633785 1961 2.51845636818802 1962 2.51284396744271 1963 2.50848687449791 1964 2.50521657716966 1965 2.50326264274062 1966 2.50331571550171 1967 2.50592487602893 1968 2.51080154946365 1969 2.51830245621128 1970 2.52820580973232 1971 2.53928679103391 1972 2.54918750799697 1973 2.56057539877944 1974 2.57600364177709 1975 2.5928782198825 1976 2.61107140386877 1977 2.62978075398762 1978 2.65098868951074 1979 2.67428983357188 1980 2.700686550935 1981 2.7286309086456 1982 2.75760596136504 1983 2.79053078048377 1984 2.82471261163825 1985 2.85984324174683 1986 2.89762629643074 1987 2.93862524790578 1988 2.98166361884051 1989 3.02732349574823 1990 3.07998885850109 1991 3.13685594555585 1992 3.19860407906405 1993 3.26860925407279 1994 3.33812124097785 1995 3.41142581869304 1996 3.48917007872801 1997 3.57228028602469 1998 3.65833059547873 1999 3.80143193929333 2000 3.99826564121519 2001 4.19644426347322 2002 4.39528768132502 2003 4.59092954363357 2004 4.77872125247908 2005 4.92695280784981 2006 5.02403991485002 2007 5.10774091924888 2008 5.19970219168308 2009 5.29945158531389 2010 5.40563882205347 2011 5.5148733191112 2012 5.6244861073045 2013 5.73635004835732 2014 5.8551327396412 2015 5.9881409298798 2016 6.13723809333945 2017 6.2208918319305 2018 6.25386399303992 2019 6.32763156434193 2020 6.43902412155379 2021 6.57499084244078 2022 6.72111797028695 2023 6.86854592252481