Year % of female population 1960 15.346408598668003 1961 14.62941376609247 1962 14.318656360212712 1963 14.653964498435176 1964 15.283296117737784 1965 15.88269209620815 1966 16.45699824977409 1967 16.623053553841157 1968 16.312978110718767 1969 15.994322833079226 1970 15.772606620115196 1971 15.555843597541626 1972 15.348568559567799 1973 15.029286799372038 1974 14.558990062605039 1975 14.002202857482056 1976 13.407276972188921 1977 12.841529142124745 1978 12.303153307007479 1979 11.883279610502758 1980 11.64032464667657 1981 11.532411550231291 1982 11.555405615087938 1983 11.593824480157119 1984 11.559054622833967 1985 11.516346765105341 1986 11.482716190960442 1987 11.43914621062727 1988 11.406123468907085 1989 11.3881679786214 1990 11.342394168284738 1991 11.142203749384812 1992 10.740900517960272 1993 10.293489236545502 1994 9.835499145752042 1995 9.330230993352997 1996 8.897794350928345 1997 8.58962009468293 1998 8.323847446912666 1999 8.083967687866709 2000 7.88538887483744 2001 7.718418147810908 2002 7.568071559396297 2003 7.444261146204836 2004 7.351644465278455 2005 7.2737503121619245 2006 7.217879953366951 2007 7.204904357764048 2008 7.227821388439954 2009 7.265696303536505 2010 7.293323625350879 2011 7.308850807685504 2012 7.3346598697657575 2013 7.3456473428855755 2014 7.3288887166946495 2015 7.291463403075491 2016 7.236823268438226 2017 7.1611216309478545 2018 7.02722521907356 2019 6.832313481746166 2020 6.592471109686434 2021 6.305098950971604 2022 5.98527043689659 2023 5.704974869468673