Year % of female population 1960 2.08571516721397 1961 1.96928648881645 1962 1.8305639789096 1963 1.69441231698018 1964 1.59036205262363 1965 1.52955757671921 1966 1.50243143301473 1967 1.49933019852762 1968 1.51977920259315 1969 1.56659506315403 1970 1.63162021848073 1971 1.71988270724561 1972 1.83525618208086 1973 1.95110133912895 1974 2.02942700219923 1975 2.05964716823201 1976 2.04132525218402 1977 1.97181093593555 1978 1.87921235132574 1979 1.80868173712486 1980 1.77105606092357 1981 1.76594203765062 1982 1.79434389878706 1983 1.8285199327341 1984 1.8422160676219 1985 1.81516835849863 1986 1.7350617614253 1987 1.62477079447834 1988 1.53613939805386 1989 1.48882772759431 1990 1.46056500838958 1991 1.45230102089419 1992 1.46872068125233 1993 1.49474492809444 1994 1.54271963658953 1995 1.61009276274618 1996 1.68710118500263 1997 1.78147644145988 1998 1.87744292625741 1999 1.95100010625405 2000 1.98804930329086 2001 1.97864319148453 2002 1.9208043273507 2003 1.8202545689385 2004 1.69545886376591 2005 1.59797738566154 2006 1.57172335033176 2007 1.59938722294895 2008 1.65586999229105 2009 1.72390408941416 2010 1.75128596322333 2011 1.69444295608623 2012 1.54047222976023 2013 1.29601943737993 2014 1.01206088244858 2015 0.774380688617318 2016 0.655321778646685 2017 0.676976945895733 2018 0.812973874434302 2019 1.01935418324669 2020 1.2407669967998 2021 1.4198966734933 2022 1.54753818587732 2023 1.65200389866504