Year % of female population 1960 6.11641314040029 1961 6.21164364919797 1962 6.38620197288803 1963 6.49641770198384 1964 6.51042111192667 1965 6.4156489129884 1966 6.23861794730423 1967 6.05267070893981 1968 5.92745165350727 1969 5.87649563654615 1970 5.84205121622489 1971 5.7632101708383 1972 5.64553556679541 1973 5.53876355478001 1974 5.48242397103217 1975 5.48984157141544 1976 5.5643576423272 1977 5.68739801920085 1978 5.81588944890947 1979 5.92004951616068 1980 5.99522550813697 1981 5.97204002848469 1982 5.85829441684762 1983 5.78778609073822 1984 5.800531837176 1985 5.88213998682239 1986 6.15502664094602 1987 6.59828623311769 1988 6.97888099429766 1989 7.25657575126657 1990 7.46013197690404 1991 7.49093590610213 1992 7.3367271935317 1993 7.1681301740589 1994 7.03755441932378 1995 6.97868245944518 1996 7.00996205896078 1997 7.09206952560033 1998 7.23183646607705 1999 7.42094411867085 2000 7.61429115115743 2001 7.77240659347966 2002 7.89463252200111 2003 8.01506680316035 2004 8.13316998787942 2005 8.24490112848121 2006 8.37220359019827 2007 8.45455762963719 2008 8.43034849491976 2009 8.39470641463905 2010 8.36707320877133 2011 8.25286100836581 2012 8.05868725868726 2013 7.81409162872326 2014 7.52100686610485 2015 7.23020668111538 2016 6.95556168920784 2017 6.74327130777333 2018 6.69512985100995 2019 6.77745858413989 2020 6.90147356255418 2021 7.01918282429404 2022 7.09033105652587 2023 7.11014743166252