Year % of female population 1960 2.60063792190917 1961 2.56702162535087 1962 2.55487691710675 1963 2.55636474507461 1964 2.55864651977064 1965 2.56014746016119 1966 2.55965517403641 1967 2.55201529173944 1968 2.54344794574192 1969 2.5463167281991 1970 2.55673669184903 1971 2.58301956771542 1972 2.6299384226664 1973 2.66750102326753 1974 2.65430621136317 1975 2.58465554751996 1976 2.4532737433679 1977 2.28527908278167 1978 2.08125505548294 1979 1.90542654894095 1980 1.85096387297271 1981 1.86938116025072 1982 1.95381807845514 1983 2.08825175768569 1984 2.22715585923362 1985 2.33915277427695 1986 2.43252361673414 1987 2.50711753350005 1988 2.56282106579581 1989 2.60651699115613 1990 2.64056002255859 1991 2.65980748177655 1992 2.66351227911073 1993 2.65719978552699 1994 2.64836569480796 1995 2.63962368919766 1996 2.63246472303393 1997 2.62972145786311 1998 2.62747085464492 1999 2.61795276001068 2000 2.60112065259243 2001 2.57991781184063 2002 2.55707805272115 2003 2.53954074283243 2004 2.53710692995569 2005 2.55514346395489 2006 2.59532108347887 2007 2.65918197407908 2008 2.76189577824503 2009 2.90329791568268 2010 3.12131641571959 2011 3.40447731217275 2012 3.6757284695582 2013 3.90698175558285 2014 4.09828042826639 2015 4.18490053100155 2016 4.16581356518961 2017 4.16232544337636 2018 4.1962745116104 2019 4.25910519738135 2020 4.39421561198756 2021 4.57020072483437 2022 4.73027531112693 2023 4.90899344213453