Year % of female population 1960 7.22048202431352 1961 6.91250202467112 1962 6.66474900079515 1963 6.4696294965078 1964 6.2813355394834 1965 6.10331497816359 1966 5.95733398518693 1967 5.8367285137504 1968 5.70282358513096 1969 5.57070936726564 1970 5.46327182379003 1971 5.38817161154135 1972 5.36721042860929 1973 5.41165632077523 1974 5.5248716188818 1975 5.64120855307024 1976 5.74878212149286 1977 5.92906883260859 1978 6.21905195770494 1979 6.57155431962565 1980 6.9676615097067 1981 7.36750059001766 1982 7.66097336077856 1983 7.79744531144437 1984 7.78830446485459 1985 7.66044048180902 1986 7.44840119464326 1987 7.20927037858598 1988 6.9922534654981 1989 6.79277754981693 1990 6.64548296470879 1991 6.57807594699182 1992 6.54548785873025 1993 6.50026085673912 1994 6.45803516005992 1995 6.41778184596872 1996 6.37339419581353 1997 6.35737011566893 1998 6.40319899651267 1999 6.54883243899088 2000 6.75761366851632 2001 6.96240759879937 2002 7.12876529819197 2003 7.19673592652961 2004 7.11761765392601 2005 6.96538351712723 2006 6.83667858784214 2007 6.73466987714657 2008 6.66529140620203 2009 6.65166738614 2010 6.63523341366826 2011 6.54338821717061 2012 6.40592907936233 2013 6.26882184297853 2014 6.14584049510366 2015 6.07776265751521 2016 6.06887966303474 2017 6.08285421784605 2018 6.11415160524644 2019 6.15041799427981 2020 6.19071452046123 2021 6.26591200872139 2022 6.38029044866047 2023 6.53782364563988