Year % of female population 1960 7.89290497492879 1961 7.88798723267378 1962 7.89497669865084 1963 7.88728950161819 1964 7.82452461023361 1965 7.7046591869289 1966 7.53910767181434 1967 7.33685811987335 1968 7.12821043074511 1969 6.95407028041128 1970 6.84086896650788 1971 6.78712124730839 1972 6.7971447259119 1973 6.86454435071756 1974 7.01588602818495 1975 7.22770641859588 1976 7.44120627173052 1977 7.6605913648247 1978 7.8901388401966 1979 8.08127702140417 1980 8.23407506678425 1981 8.38561654014884 1982 8.53001856426294 1983 8.6722844680235 1984 8.81568258204236 1985 8.95925064920607 1986 9.10211025366504 1987 9.24945153931252 1988 9.40340949085247 1989 9.54839642919992 1990 9.71660573668489 1991 9.86698080838639 1992 9.95091867577878 1993 9.96719847403994 1994 9.8808753137568 1995 9.72262206551148 1996 9.51901895428383 1997 9.24771484387131 1998 8.91162398066732 1999 8.53046816253598 2000 8.15104401125061 2001 7.86083919366907 2002 7.68725122450642 2003 7.57783163755893 2004 7.50351069148142 2005 7.48957536054359 2006 7.54188974977988 2007 7.61776513968184 2008 7.65747961799161 2009 7.63861015739457 2010 7.57727235163551 2011 7.47528687792607 2012 7.33864804648263 2013 7.20966080606505 2014 7.09940043363668 2015 7.01478175417034 2016 6.97855399490263 2017 6.94640460544614 2018 6.88223539151835 2019 6.81900264798838 2020 6.79272630722273 2021 6.78645272547804 2022 6.77271964397431 2023 6.72565661573605