Year % of female population 1960 6.2985896636188 1961 6.29532068547074 1962 6.2735781137509 1963 6.23914383369754 1964 6.19318259257745 1965 6.13609231993633 1966 6.0752556131484 1967 6.00858369098712 1968 5.93300962476988 1969 5.85598138881148 1970 5.77870315288519 1971 5.70609905853459 1972 5.64650659794526 1973 5.59198233395617 1974 5.57617916903559 1975 5.58902606310014 1976 5.55819734140279 1977 5.50737346408444 1978 5.48925760476494 1979 5.49195692001398 1980 5.48842902820721 1981 5.48330071342888 1982 5.48493087412477 1983 5.49736026145982 1984 5.52698153839721 1985 5.55857002733894 1986 5.55659728733046 1987 5.55094245619862 1988 5.55813737336184 1989 5.56898733526065 1990 5.61079472577087 1991 5.67925765086648 1992 5.76805072611986 1993 5.8483474281979 1994 5.90514648148715 1995 5.92989170263008 1996 5.91965528805602 1997 6.02164677321465 1998 6.27252919381884 1999 6.54459138691082 2000 6.78656361474435 2001 6.96007482892729 2002 7.01277095464109 2003 6.94384995525118 2004 6.79906406512869 2005 6.60770931462078 2006 6.41719410291221 2007 6.3136475577404 2008 6.29362692242211 2009 6.31344998399036 2010 6.37174449248314 2011 6.43937978703531 2012 6.52388951101157 2013 6.66111962903407 2014 6.78892033209018 2015 6.86187907606142 2016 6.95471197039186 2017 6.95705463630792 2018 6.77311891886791 2019 6.54499447659872 2020 6.41817856907725 2021 6.31421772199151 2022 6.2461233671854 2023 6.31243572792713