Year % of female population 1960 7.16387429976492 1961 7.22748195743473 1962 7.29586538716369 1963 7.36380252531846 1964 7.42541735803054 1965 7.47520592431789 1966 7.50761344727117 1967 7.5255619489175 1968 7.51526737611297 1969 7.47110428926725 1970 7.43774973081748 1971 7.45150245801677 1972 7.5097837816754 1973 7.6134269816656 1974 7.7521909964259 1975 7.81301211273265 1976 7.79468567725211 1977 7.80104428753078 1978 7.84602835989459 1979 7.93696561233497 1980 8.13212782874041 1981 8.39488344570253 1982 8.62369950410998 1983 8.81789156037263 1984 8.97561948731102 1985 9.06946319466674 1986 9.06249957391922 1987 9.04127711645181 1988 9.04520948523381 1989 9.00343966945615 1990 8.92444532138388 1991 8.8156414914785 1992 8.642769067035 1993 8.42234322970016 1994 8.21087991952206 1995 8.01140404266906 1996 7.83701297542344 1997 7.71124679929092 1998 7.6083386922563 1999 7.51583060022919 2000 7.49493527662309 2001 7.57651817650681 2002 7.74797633294878 2003 7.99747923992675 2004 8.29054904220417 2005 8.56295381172714 2006 8.76826915300452 2007 8.91104544131099 2008 8.98806326197999 2009 9.00302675004834 2010 8.96694159126477 2011 8.87376900814751 2012 8.75911351885967 2013 8.64850234172034 2014 8.53519853501066 2015 8.44279946905482 2016 8.39518216292937 2017 8.35225310655185 2018 8.2825272787186 2019 8.19385756024139 2020 8.09519707508666 2021 7.9945587795004 2022 7.8886861392588 2023 7.7799588978454