Year % of female population 1960 6.14177856141779 1961 6 1962 5.85440427614575 1963 5.69908236954987 1964 5.53665890532957 1965 5.36793232843605 1966 5.18589871111623 1967 4.97961380052569 1968 4.75907806934949 1969 4.56073214683432 1970 4.42318288834344 1971 4.38968231125756 1972 4.48309121688122 1973 4.66442690835222 1974 4.98981867545816 1975 5.40761943312034 1976 5.76672292114146 1977 6.06722913644346 1978 6.34107392374742 1979 6.51401275696373 1980 6.61308623298033 1981 6.84246163105627 1982 7.18457289995149 1983 7.53977809472651 1984 7.8828248629154 1985 8.19376732188755 1986 8.43634510003823 1987 8.58388945306833 1988 8.64437415273385 1989 8.6347987526812 1990 8.56605945080832 1991 8.48662132333148 1992 8.40284988006158 1993 8.26356284699287 1994 8.09058029112548 1995 7.93084424829157 1996 7.82082647569058 1997 7.77854954762414 1998 7.81247212061736 1999 7.91059454626732 2000 8.0361222350633 2001 8.14893941706089 2002 8.23483908108011 2003 8.28316379489309 2004 8.28018543551035 2005 8.2595762541745 2006 8.26417450058755 2007 8.29747151062926 2008 8.33279192151694 2009 8.34856396866841 2010 8.29568249564125 2011 8.12148757213443 2012 7.86188579017264 2013 7.57390690306697 2014 7.30259498647845 2015 7.10868539855805 2016 7.06425034813554 2017 7.17162404774613 2018 7.36127721222374 2019 7.56707221962252 2020 7.74729728410012 2021 7.82622303072981 2022 7.77643842060389 2023 7.65217561855822