Year % of female population 1960 1.22146646600358 1961 1.17478486296661 1962 1.07216007950187 1963 0.992707796922947 1964 0.962512746246201 1965 0.998684511279157 1966 1.10284554135076 1967 1.24800423244433 1968 1.39604864743125 1969 1.51824395430501 1970 1.60499724075886 1971 1.66381904833672 1972 1.71612595127745 1973 1.69976546556608 1974 1.62790273056757 1975 1.5813926556212 1976 1.58681744239687 1977 1.64978327203501 1978 1.73515135297556 1979 1.82171066005665 1980 1.88604211006945 1981 1.91606506375675 1982 1.91370176302 1983 1.91097519925603 1984 1.93317696964936 1985 1.97920707473001 1986 2.04319097195319 1987 2.11851865740102 1988 2.20187385655942 1989 2.28380872548739 1990 2.35661264223153 1991 2.4181573564861 1992 2.46351939919897 1993 2.46428492542845 1994 2.44068634331322 1995 2.43194852919594 1996 2.437543552204 1997 2.45658161034559 1998 2.48534021636924 1999 2.5212315951286 2000 2.56161368464522 2001 2.60327814015722 2002 2.62042029345423 2003 2.62257708175363 2004 2.6365435871184 2005 2.65764293052816 2006 2.68427666484698 2007 2.71884691618207 2008 2.76112850358806 2009 2.80907657627134 2010 2.86338135973987 2011 2.93247737075193 2012 3.01113814296102 2013 3.09272949181425 2014 3.18442537798926 2015 3.28290075665747 2016 3.38813896213409 2017 3.50235908694091 2018 3.61493223903025 2019 3.7270904493562 2020 3.85537681851669 2021 3.99463152953907 2022 4.12765541936857 2023 4.25714240289989