Year % of female population 1960 10.051088809720637 1961 10.213369913118727 1962 10.364274228873729 1963 10.506809038800561 1964 10.658529464836064 1965 10.825746096527345 1966 11.000040277015108 1967 11.183754893633733 1968 11.359397219169638 1969 11.519706440952817 1970 11.691350218851408 1971 11.865172546739185 1972 12.061683402550186 1973 12.272959251426657 1974 12.492635769793045 1975 12.720930960167392 1976 12.956438746916971 1977 13.20610518121234 1978 13.450940154672153 1979 13.666164714145946 1980 13.812563936689793 1981 13.871715435847479 1982 13.88556139981667 1983 13.881956738779541 1984 13.935461429936055 1985 14.10241117109297 1986 14.32074368904387 1987 14.536117967559926 1988 14.767517432840352 1989 14.988214901029425 1990 15.180842789169285 1991 15.378670121696322 1992 15.570357202684253 1993 15.738987426434125 1994 15.907462752478628 1995 16.078875391074646 1996 16.22769464073955 1997 16.35529897156757 1998 16.46612100958605 1999 16.57250448790384 2000 16.703901467246887 2001 16.871319729069334 2002 17.0464046255052 2003 17.21162495521658 2004 17.38467142920546 2005 17.579132166889355 2006 17.77221453647697 2007 17.944494824630496 2008 18.112235418104113 2009 18.294571523776238 2010 18.455494226332842 2011 18.654145591769794 2012 18.9739636357565 2013 19.34590707252223 2014 19.707176355239618 2015 20.027583674897258 2016 20.359406425042977 2017 20.697141920772722 2018 21.013818812990646 2019 21.355604846798066 2020 21.704251419084176 2021 22.063207625542756 2022 22.473864818053567 2023 22.898455973346376