Year % of female population 1960 1.66487149400515 1961 1.70598764265628 1962 1.74012495507052 1963 1.77058522366728 1964 1.80409607018898 1965 1.84284149494237 1966 1.88641334910314 1967 1.93445136028907 1968 1.98456384827685 1969 2.03279255210817 1970 2.07935913609653 1971 2.12356482103004 1972 2.16497039287564 1973 2.20504488026293 1974 2.24227372371599 1975 2.27971740592173 1976 2.31680017808281 1977 2.35136643701557 1978 2.38657617605746 1979 2.42503386272973 1980 2.46618497617918 1981 2.51206764161689 1982 2.5641566792991 1983 2.61598632663082 1984 2.65885263359988 1985 2.69149125191932 1986 2.71520619909144 1987 2.72874266826883 1988 2.73771618964944 1989 2.7526026597496 1990 2.77627057715993 1991 2.80809071161254 1992 2.84676511527003 1993 2.88783248517096 1994 2.92704559961111 1995 2.96150419430987 1996 2.99426823092315 1997 3.02633178752721 1998 3.05279342983111 1999 3.06623426057199 2000 3.06479319775362 2001 3.04899591729861 2002 3.02099118358728 2003 2.9849247842432 2004 2.95120220094172 2005 2.92826337560011 2006 2.91401426727403 2007 2.90662836592267 2008 2.90610987198004 2009 2.91264764814501 2010 2.92461869337972 2011 2.9445199662864 2012 2.97537193769937 2013 3.01518635748808 2014 3.06096489757711 2015 3.11173614700149 2016 3.16383986391761 2017 3.21591006005083 2018 3.26550550272031 2019 3.30475408493658 2020 3.33652307647857 2021 3.36236375416563 2022 3.38265715467751 2023 3.4100905920993