Year % of female population 1960 0.815473129832685 1961 0.823862790728202 1962 0.850734288369135 1963 0.881659940571468 1964 0.905677523976562 1965 0.918054244913329 1966 0.919282279675833 1967 0.90901927037169 1968 0.889666396376103 1969 0.866642167339364 1970 0.848308571883261 1971 0.832902646682806 1972 0.813997773621275 1973 0.793435916527891 1974 0.773486496031525 1975 0.754374441640045 1976 0.735697259260851 1977 0.717432180615599 1978 0.700518835886192 1979 0.686388097491323 1980 0.674724343172488 1981 0.665468379259584 1982 0.658733079220422 1983 0.652602356849866 1984 0.646249498430138 1985 0.640265586927723 1986 0.634972551551008 1987 0.629666041825155 1988 0.624640739201599 1989 0.620941201859972 1990 0.618698420760493 1991 0.619239095866074 1992 0.621139432612703 1993 0.625089902356131 1994 0.634259431375223 1995 0.647866820216887 1996 0.665326990376203 1997 0.686899903212835 1998 0.710541693088558 1999 0.734629781342485 2000 0.758629774172604 2001 0.782333850499749 2002 0.804886250754724 2003 0.826816627724429 2004 0.848903407221776 2005 0.869404704167642 2006 0.88767682070411 2007 0.903492687431831 2008 0.914664445897374 2009 0.919209317682237 2010 0.917106588379436 2011 0.908838577797284 2012 0.895965915842403 2013 0.880850000235797 2014 0.86602489973445 2015 0.853303525907816 2016 0.842272833531369 2017 0.832382210943525 2018 0.821968507217839 2019 0.808085102561899 2020 0.797555341158481 2021 0.791990961640691 2022 0.789644731822238 2023 0.79716824773805