Year % of female population 1960 3.20452255084657 1961 3.20441452725198 1962 3.20605327122278 1963 3.20836357778066 1964 3.20891817458703 1965 3.20666218750615 1966 3.20274982924642 1967 3.19755032538207 1968 3.19138203476049 1969 3.18533507809695 1970 3.17990333947463 1971 3.175375427123 1972 3.17120971785226 1973 3.16740966543268 1974 3.16542620299574 1975 3.16534994193024 1976 3.1674981871418 1977 3.17221061976446 1978 3.17292043897578 1979 3.16958339649187 1980 3.16904973643218 1981 3.17042154703496 1982 3.17145920736504 1983 3.17189804563284 1984 3.17017485661673 1985 3.16826937473654 1986 3.16780041312432 1987 3.16785859737033 1988 3.16868003048221 1989 3.16843576625511 1990 3.16483623499057 1991 3.15923539974115 1992 3.15446681631512 1993 3.14771572297512 1994 3.12953058377343 1995 3.11715678294439 1996 3.12068937763416 1997 3.12074344909539 1998 3.09740018434536 1999 3.05113100726361 2000 2.99292267089487 2001 2.93106470021446 2002 2.87604013071416 2003 2.83808607668207 2004 2.81719060865595 2005 2.80671649564986 2006 2.80129496805389 2007 2.79603349217849 2008 2.79100981398947 2009 2.78546792424181 2010 2.77952688083726 2011 2.77339852118937 2012 2.76766794601738 2013 2.76227595734811 2014 2.75824459980229 2015 2.75682390793292 2016 2.75653146674696 2017 2.75602030329721 2018 2.75512749852986 2019 2.75258206174642 2020 2.74530506338525 2021 2.73273699772042 2022 2.71555598786559 2023 2.693882392235