Year % of female population 1960 2.38020640925522 1961 2.3802901035563 1962 2.38007486578776 1963 2.38021197750654 1964 2.37926300365685 1965 2.37887438825449 1966 2.37900112833304 1967 2.37878491067553 1968 2.38006555423123 1969 2.38256826419072 1970 2.38551553855085 1971 2.39023580543426 1972 2.39662995442958 1973 2.40331921734075 1974 2.41144699122775 1975 2.42226278350301 1976 2.43325340649713 1977 2.44403104753352 1978 2.45667820834941 1979 2.47134782744967 1980 2.48726150889482 1981 2.50453098212099 1982 2.52337557549006 1983 2.54326564785765 1984 2.56402823151627 1985 2.58517025399682 1986 2.60618509978032 1987 2.62668138151224 1988 2.64735827608363 1989 2.66763198930719 1990 2.68835395569946 1991 2.71137326051587 1992 2.73672969287832 1993 2.76396505019493 1994 2.78787709753187 1995 2.81014972915049 1996 2.83316754956164 1997 2.85967907394018 1998 2.8909888388341 1999 2.90728719791057 2000 2.89971994370442 2001 2.87605037264411 2002 2.83503132791476 2003 2.77570082514958 2004 2.71303702536218 2005 2.68719402257514 2006 2.71534895264884 2007 2.77357681634653 2008 2.84422453506228 2009 2.92830144721394 2010 3.02501833344444 2011 3.12552434142717 2012 3.21809791183638 2013 3.29225403710325 2014 3.34158469683852 2015 3.36897566132702 2016 3.38324879601967 2017 3.39785820335213 2018 3.42507140519265 2019 3.4708732475663 2020 3.53898460059736 2021 3.63254405196026 2022 3.74723560138389 2023 3.87187406139346