Year % of female population 1960 16.9819579665453 1961 16.9862647646409 1962 16.9964980816697 1963 17.0134134986338 1964 17.0299548571095 1965 17.0538460563005 1966 17.0995212620075 1967 17.1636210855634 1968 17.241576906288 1969 17.3213499843869 1970 17.39396370429 1971 17.4689091414092 1972 17.543399923081 1973 17.6137965675702 1974 17.6887763827086 1975 17.7716007424446 1976 17.8629387575538 1977 17.9574012483089 1978 18.0503565700234 1979 18.1501640941141 1980 18.2491556954994 1981 18.341295423593 1982 18.4201961927025 1983 18.475041273848 1984 18.5173834206242 1985 18.554213501697 1986 18.5919706277544 1987 18.6249471943653 1988 18.6462957052268 1989 18.6394012948041 1990 18.5847345169528 1991 18.5301017538973 1992 18.4971276832917 1993 18.4560999610265 1994 18.4206218346033 1995 18.3965190666146 1996 18.3619163111086 1997 18.3306976138844 1998 18.3181041764323 1999 18.3416984904834 2000 18.4314489625125 2001 18.5727826463255 2002 18.7299594080583 2003 18.8891676880208 2004 19.0370247966356 2005 19.1761628191275 2006 19.2960719577743 2007 19.3769219350081 2008 19.4260507722982 2009 19.443648709922 2010 19.4277869832834 2011 19.3961321432468 2012 19.4021865362254 2013 19.3777025840514 2014 19.2796153766886 2015 19.1609762225499 2016 19.0158972742798 2017 18.8512840409885 2018 18.6949570643943 2019 18.5492497281147 2020 18.3979346071243 2021 18.2523541646235 2022 18.1199338039547 2023 17.9864656262207