Year % of female population 1960 1.63422414945844 1961 1.56944950783813 1962 1.5083978486215 1963 1.45094464700033 1964 1.40022783368141 1965 1.35760287848094 1966 1.31666425784073 1967 1.2822639735667 1968 1.27196921103271 1969 1.25652103968929 1970 1.24104840652665 1971 1.27951851511532 1972 1.39502739567297 1973 1.56805587299684 1974 1.74389857153087 1975 1.85944609853379 1976 1.70857852279497 1977 1.40510962183559 1978 1.19996090778912 1979 1.0976119397391 1980 1.04697543211092 1981 0.975916060075833 1982 0.896583664421542 1983 0.856122702512496 1984 0.852767507054978 1985 0.867297999050514 1986 0.853925867885339 1987 0.814072225487218 1988 0.78221600271332 1989 0.761817069810268 1990 0.751404310076755 1991 0.746951069872244 1992 0.742871112005867 1993 0.73535015120985 1994 0.724030325918826 1995 0.709850892819394 1996 0.695926304081499 1997 0.685123074170617 1998 0.675471312276202 1999 0.664378005516529 2000 0.652472113827523 2001 0.642480669636265 2002 0.637607284641361 2003 0.639387525256852 2004 0.645942979516529 2005 0.635458884901109 2006 0.563239232371112 2007 0.441492229547583 2008 0.325031321270197 2009 0.244339558864311 2010 0.250804151241124 2011 0.326545094539066 2012 0.414133886145302 2013 0.513045313918806 2014 0.623571846433221 2015 0.74653670586826 2016 0.882313443538978 2017 1.02998679652636 2018 1.18768986477339 2019 1.35303868281594 2020 1.49022705300523 2021 1.59922120004241 2022 1.68356469732937 2023 1.7452620091914