Year % of female population 1960 2.32713599633022 1961 2.33898049647336 1962 2.34211959404263 1963 2.33734610414851 1964 2.34517470707447 1965 2.36670931927844 1966 2.4031678549017 1967 2.45894686991197 1968 2.51032260783763 1969 2.53202400228703 1970 2.52379650398967 1971 2.48285058396606 1972 2.40602052427548 1973 2.31858038746861 1974 2.25358974107358 1975 2.21971247404614 1976 2.2150572942041 1977 2.23624330649318 1978 2.26815305905649 1979 2.28831660153192 1980 2.28652255162211 1981 2.26213324715601 1982 2.21810679736189 1983 2.169225891261 1984 2.13747174256072 1985 2.12817189867154 1986 2.14001189115141 1987 2.17376445125441 1988 2.21555939839405 1989 2.24739628271994 1990 2.26468330580412 1991 2.2670216368829 1992 2.25101291526837 1993 2.22974882719959 1994 2.22476985689291 1995 2.23974958383336 1996 2.27526930139732 1997 2.33443461230699 1998 2.40106382245768 1999 2.44685454115909 2000 2.46355951249045 2001 2.45233080080853 2002 2.40931266668295 2003 2.34631883270653 2004 2.28517888425735 2005 2.2366980486759 2006 2.20013850653922 2007 2.17711235860346 2008 2.16843702775114 2009 2.17242212899487 2010 2.19020476018576 2011 2.22585721262382 2012 2.28033187688754 2013 2.36188337143002 2014 2.53152413304816 2015 2.76791503726058 2016 2.96226634146101 2017 3.17295837026212 2018 3.40738982990398 2019 3.58895880062406 2020 3.72933618085591 2021 3.88628500952503 2022 4.06652688295194 2023 4.25043225477038