Year % of female population 1960 1.4859076791158 1961 1.47107486869335 1962 1.45317923292115 1963 1.43310058296354 1964 1.41521101326767 1965 1.40153039439449 1966 1.39126481287391 1967 1.37951642944593 1968 1.36224345394418 1969 1.33865680738788 1970 1.30865488359677 1971 1.27456969192845 1972 1.24112943834092 1973 1.21148202343546 1974 1.18845753025639 1975 1.17685552729852 1976 1.17649851195831 1977 1.18240409559586 1978 1.1888023669698 1979 1.19057893775344 1980 1.1915482466901 1981 1.19135058804599 1982 1.18728611891064 1983 1.18458282105125 1984 1.18686281913503 1985 1.19722029946446 1986 1.21769973999294 1987 1.24924582754685 1988 1.2917880889918 1989 1.34131700750383 1990 1.39330833791157 1991 1.44343875688535 1992 1.48972347964626 1993 1.52978111953677 1994 1.56072846399392 1995 1.58637406661454 1996 1.61278454101088 1997 1.64416715046138 1998 1.68385256016703 1999 1.73461374956143 2000 1.79493763825012 2001 1.86073354318294 2002 1.92909009065635 2003 1.99948666121244 2004 2.07224052146461 2005 2.14980642393061 2006 2.23443933027191 2007 2.33000354356591 2008 2.43245384139897 2009 2.53139577401939 2010 2.62143749817352 2011 2.69920467085234 2012 2.76348163522209 2013 2.82034005731444 2014 2.88606869279702 2015 2.97038661904359 2016 3.07787042458258 2017 3.2107036685152 2018 3.36191430028054 2019 3.5271091514899 2020 3.64857127804664 2021 3.72275162641601 2022 3.82813007302524 2023 3.9623510873656