Year % of female population 1960 6.32266596251003 1961 6.08366898511458 1962 5.90731776250711 1963 5.7460879677957 1964 5.56334828836101 1965 5.36843399758624 1966 5.19127724766859 1967 5.05491568768481 1968 5.00472539122954 1969 5.28250849917189 1970 5.84695261286023 1971 6.39377123102663 1972 6.78316417440987 1973 7.0226732235631 1974 6.98873042415848 1975 6.55128155575644 1976 6.08908989315591 1977 5.99897256508319 1978 6.10776392525 1979 6.15734373811214 1980 6.30263171113969 1981 6.47819803439033 1982 6.444335961753 1983 6.33190981408687 1984 6.29379242425501 1985 6.3420978632981 1986 6.49803250206346 1987 6.71295876276189 1988 6.91877684827165 1989 7.13767326818482 1990 7.37021687122595 1991 7.59016850391964 1992 7.80585273459506 1993 8.03126965256552 1994 8.22420323643699 1995 8.34476992248563 1996 8.40011267838214 1997 8.40805504681541 1998 8.37016913857258 1999 8.29234839690175 2000 8.15692870570603 2001 7.97236229409696 2002 7.75930860170279 2003 7.48796448959171 2004 7.19281974313669 2005 6.93766821648366 2006 6.70056523787094 2007 6.47554060477858 2008 6.30611934115772 2009 6.18222840122877 2010 6.13126130771853 2011 6.1975227014047 2012 6.3322729918082 2013 6.46588991351817 2014 6.58038656756462 2015 6.64625894729077 2016 6.64178452082705 2017 6.60377474516216 2018 6.58437780315222 2019 6.59481517197007 2020 6.62122503453372 2021 6.65818577759758 2022 6.68162418115596 2023 6.67716597783267