Year % of female population 1960 2.08440606567373 1961 2.13060959718613 1962 2.17281636220978 1963 2.21866281183044 1964 2.28765178207717 1965 2.36604258402814 1966 2.44473197182266 1967 2.52959999695907 1968 2.60754001238642 1969 2.67846141240475 1970 2.76471427421819 1971 2.87145402630064 1972 2.9808578379297 1973 3.08878360011112 1974 3.19962161994569 1975 3.31478613269868 1976 3.42473683283811 1977 3.53828676568626 1978 3.66865274414367 1979 3.79824461870908 1980 3.93499270749998 1981 4.08329098529143 1982 4.2417377988677 1983 4.40432304945444 1984 4.56730834550306 1985 4.72682149933979 1986 4.87720618829626 1987 5.03516104563458 1988 5.18696123512367 1989 5.34286911882316 1990 5.48939148486847 1991 5.60998543903204 1992 5.73378244702916 1993 5.83893439339199 1994 5.94055760370595 1995 6.0404849692832 1996 6.11587831958629 1997 6.19111889004865 1998 6.26204440615039 1999 6.30870623671195 2000 6.42018839271321 2001 6.57826149671845 2002 6.65953626351272 2003 6.70026027028536 2004 6.74297491193699 2005 6.77517595760669 2006 6.78186908683098 2007 6.75383303878643 2008 6.71275405064477 2009 6.67157727277347 2010 6.62615592054274 2011 6.57469735291946 2012 6.50458692120376 2013 6.42111554750244 2014 6.34480345365792 2015 6.27639105709613 2016 6.22218394902816 2017 6.18882172513505 2018 6.18106488610901 2019 6.21806345332125 2020 6.24499689072991 2021 6.28674139964652 2022 6.41690612093262 2023 6.6201938631385