Year % of female population 1960 3.48265275218894 1961 3.43941590279996 1962 3.43098659907784 1963 3.45413899976119 1964 3.47617284006087 1965 3.49482419796973 1966 3.51200255045617 1967 3.52732300911283 1968 3.53735372753731 1969 3.53926568077511 1970 3.4901978997 1971 3.40705511580024 1972 3.34098575786101 1973 3.28644113610152 1974 3.24192912710123 1975 3.20797930095955 1976 3.18536693430891 1977 3.17113983665321 1978 3.16413231530742 1979 3.16439828641448 1980 3.15989005490232 1981 3.16131882532166 1982 3.17555233099917 1983 3.19480412092146 1984 3.22198351591778 1985 3.2552546954001 1986 3.29711390789081 1987 3.34574347986914 1988 3.40778145988298 1989 3.48473265261997 1990 3.56651183938217 1991 3.65503915459294 1992 3.74985706987473 1993 3.8822202190944 1994 4.05700419647233 1995 4.24672563932767 1996 4.45311239244544 1997 4.67236962163119 1998 4.9001160738671 1999 5.13500654216724 2000 5.37758013103027 2001 5.6257344939189 2002 5.8776209524957 2003 6.13540930428673 2004 6.39895593291598 2005 6.67050832483828 2006 6.95230271520822 2007 7.1513475140877 2008 7.26560061411094 2009 7.38371689783393 2010 7.50578358624022 2011 7.62663431333869 2012 7.74056125415115 2013 7.85359232174937 2014 7.9784684181417 2015 8.13437214860875 2016 8.33424151124069 2017 8.57133440760021 2018 8.82091652612685 2019 9.03395815618833 2020 9.17967875767324 2021 9.29285795163108 2022 9.42560318495694 2023 9.6221809141341