Year % of female population 1960 5.11222595607523 1961 5.17221728777613 1962 5.25308802791429 1963 5.34160367350267 1964 5.4180224035538 1965 5.47690497967768 1966 5.51900398440836 1967 5.54209866256108 1968 5.554498674919 1969 5.56967216614428 1970 5.58800890227463 1971 5.61537022537034 1972 5.65858990670014 1973 5.6994987409764 1974 5.70707587574991 1975 5.67734338339384 1976 5.61654699968669 1977 5.5323020497484 1978 5.44433401289857 1979 5.37751090663028 1980 5.34897723203799 1981 5.36078448993258 1982 5.41875879652773 1983 5.51890991732953 1984 5.68576134564279 1985 5.90293401368204 1986 6.12543419586885 1987 6.34976016335487 1988 6.57936502714496 1989 6.77897727848574 1990 6.99707261222141 1991 7.26345156272595 1992 7.56137135610241 1993 7.88999705061909 1994 8.23340163196596 1995 8.54983991931013 1996 8.77740132951665 1997 8.94871069247103 1998 9.1207932870426 1999 9.27841282412187 2000 9.31601713768397 2001 9.24070267098317 2002 9.14502613727622 2003 9.03692074468903 2004 8.91140016722057 2005 8.79556681779711 2006 8.68810419380999 2007 8.55542975766452 2008 8.39112752717814 2009 8.19895488754793 2010 7.95889596449047 2011 7.71270742628865 2012 7.52664127081463 2013 7.39485473011923 2014 7.30052003430604 2015 7.24737431243589 2016 7.23760833485392 2017 7.25059922014511 2018 7.25384059452334 2019 7.23580216964209 2020 7.20036592186328 2021 7.1315261554135 2022 7.02746787364435 2023 6.92692331985898