Year % of female population 1960 6.87370613337536 1961 6.88926374976833 1962 6.90400038038616 1963 6.98043828037367 1964 7.10671588091035 1965 7.1942936554754 1966 7.54018348441166 1967 8.12258864368956 1968 8.50431147264236 1969 8.69134724787419 1970 8.83165357752286 1971 8.72175738247197 1972 8.40427489700317 1973 8.20803874252811 1974 8.11010282918184 1975 8.08183598655902 1976 8.09536240708507 1977 8.11303046142758 1978 8.13999332873859 1979 8.19779536809569 1980 8.25365030747676 1981 8.31183553883704 1982 8.38033009971171 1983 8.43881719797667 1984 8.48597465367099 1985 8.50576295966951 1986 8.46908737779288 1987 8.38893637522041 1988 8.30017212414131 1989 8.23413704891021 1990 8.19173646775212 1991 8.12532273542615 1992 8.00200825220474 1993 7.78214068347744 1994 7.43687207193376 1995 7.02206112245991 1996 6.63116707064192 1997 6.30389586396617 1998 6.07648934246884 1999 5.94464658996884 2000 5.88768317176724 2001 5.8786119780373 2002 5.86232031539211 2003 5.82694425312971 2004 5.7984797439247 2005 5.78193811147881 2006 5.78521882123715 2007 5.82855110368204 2008 5.89443887116947 2009 5.95893538871517 2010 6.02264871703785 2011 6.080169674079 2012 6.12044641364794 2013 6.15179164978777 2014 6.17218281432259 2015 6.15988217650815 2016 6.11817888331362 2017 6.08914710683064 2018 6.09589286629359 2019 6.12724603085285 2020 6.18873595682208 2021 6.25553330922257 2022 6.26266480626111 2023 6.20204775729682