Year % of female population 1960 0.700278917425089 1961 0.66853551492763 1962 0.647861977230938 1963 0.644262319644008 1964 0.66770052554493 1965 0.700677275480425 1966 0.719950948396922 1967 0.723133325340586 1968 0.706762833086882 1969 0.678973789529692 1970 0.6574133549306 1971 0.649336535640153 1972 0.653494313062466 1973 0.671276513091446 1974 0.698963972183363 1975 0.734815874008868 1976 0.777301625134374 1977 0.818348536451759 1978 0.851462883216617 1979 0.875644730584922 1980 0.891475822978372 1981 0.9050748368096 1982 0.922075574037245 1983 0.942322766619185 1984 0.969756467793031 1985 1.00282081186113 1986 1.0275256881422 1987 1.04078132002287 1988 1.04682528572996 1989 1.0469962766056 1990 1.05403137024078 1991 1.07364422573254 1992 1.0968131059753 1993 1.11805562659193 1994 1.12767890545668 1995 1.11005537171128 1996 1.08047078804566 1997 1.06121081689215 1998 1.04325841998683 1999 1.02127529498074 2000 1.01513523599712 2001 1.02364492298206 2002 1.02278540214262 2003 1.02901173378824 2004 1.07273403750735 2005 1.1238439662315 2006 1.15139380701812 2007 1.18012607929252 2008 1.20420388297588 2009 1.2148339279367 2010 1.24692417591251 2011 1.297206606751 2012 1.33739784995159 2013 1.37332806252909 2014 1.40966150781755 2015 1.43541491389228 2016 1.46522728156472 2017 1.51569178283517 2018 1.57227820244157 2019 1.62697650370813 2020 1.65946816816888 2021 1.67466811976813 2022 1.7115188416489 2023 1.76792840225991