Year % of female population 1960 7.33492455965398 1961 7.65506450778053 1962 7.8947233017868 1963 8.06501902962113 1964 8.18785723583279 1965 8.26636766060991 1966 8.31906330141447 1967 8.36186067315832 1968 8.39652929692607 1969 8.42232054864522 1970 8.43433570433143 1971 8.41559096430022 1972 8.34520852554893 1973 8.22553225958309 1974 8.07031518331494 1975 7.88604164039423 1976 7.68150868418014 1977 7.45916203139578 1978 7.22161720664307 1979 6.99943864579454 1980 6.83969679541432 1981 6.77311330632708 1982 6.81187639637243 1983 6.97881214224526 1984 7.27847536474844 1985 7.61476602284115 1986 7.80132719476173 1987 7.92788919034141 1988 8.04652912093171 1989 8.03789091326841 1990 7.92487187190983 1991 7.8245876970129 1992 7.64665900269167 1993 7.36266626495922 1994 7.08704099260348 1995 6.86030061988752 1996 6.73298882948369 1997 6.66940924619067 1998 6.63985654613709 1999 6.61004731079934 2000 6.58343030111664 2001 6.54175945528758 2002 6.51304450137714 2003 6.50502562696395 2004 6.51729065461306 2005 6.51722372414827 2006 6.48332563649891 2007 6.49494880818423 2008 6.55853219472891 2009 6.63709118394323 2010 6.75188631855607 2011 6.91428340502272 2012 7.03739281849035 2013 7.085102261907 2014 7.07763528824375 2015 7.02845605975164 2016 6.92358334677648 2017 6.80798831144561 2018 6.734459506265 2019 6.70631698308348 2020 6.69812999100557 2021 6.70984072777076 2022 6.74121788532458 2023 6.74165394881681