Year % of female population 1960 6.33478966848806 1961 6.34416664271908 1962 6.3688479192718 1963 6.4037416973283 1964 6.43791700115481 1965 6.46353373500082 1966 6.48512263516796 1967 6.50530752274148 1968 6.51373341853598 1969 6.49474364442967 1970 6.44400749851417 1971 6.36028382782759 1972 6.24461078352978 1973 6.11162294748045 1974 5.98221977891763 1975 5.87452320801272 1976 5.78882173607687 1977 5.71861036642745 1978 5.66309671533503 1979 5.62214939853274 1980 5.59609725225463 1981 5.58764360400119 1982 5.59878982988987 1983 5.62824091992987 1984 5.67209142086229 1985 5.72692566429575 1986 5.78693707656995 1987 5.84694863625908 1988 5.89863441811171 1989 5.92705296930111 1990 5.9361688789784 1991 5.93744988314657 1992 5.93001017602068 1993 5.91877572310755 1994 5.91423704819145 1995 5.91083101875391 1996 5.9029863389777 1997 5.89949815265375 1998 5.88837472799831 1999 5.86223937937176 2000 5.83015097156854 2001 5.79420745601982 2002 5.76062189803663 2003 5.74292178421155 2004 5.73740165877089 2005 5.73210373923362 2006 5.72757460493048 2007 5.71821311764822 2008 5.70515528748349 2009 5.70486437843309 2010 5.72941515153198 2011 5.78256215248092 2012 5.86076882451593 2013 5.96258412287982 2014 6.08520797559845 2015 6.21117061763933 2016 6.33251235362635 2017 6.45085237841991 2018 6.55877040848973 2019 6.64519313124249 2020 6.71153943876367 2021 6.75612685932677 2022 6.77116294942219 2023 6.7600078491662