Year % of female population 1960 4.61147950849239 1961 4.89489549431577 1962 5.3392054133343 1963 5.91710735839715 1964 6.34800412366848 1965 6.63040635478069 1966 6.86741747913567 1967 6.95082375652196 1968 6.93844374677791 1969 6.94031375993624 1970 6.93175710695526 1971 6.91757333278292 1972 6.90330356349746 1973 6.80913248295417 1974 6.64095292405336 1975 6.45457118823967 1976 6.28908640889855 1977 6.14630651118687 1978 6.02011754167339 1979 5.92668714569152 1980 5.80688792618795 1981 5.62025762518259 1982 5.39311297818041 1983 5.17581221122512 1984 4.97789893669814 1985 4.81466455924552 1986 4.89908794998597 1987 5.28892007522817 1988 5.83404656515222 1989 6.39817993576138 1990 6.94893065233758 1991 7.39215198164266 1992 7.64307316268028 1993 7.81576473268725 1994 7.96406435474639 1995 8.10207139086941 1996 8.17744824859164 1997 8.20439037906207 1998 8.19111779397247 1999 8.11802739811774 2000 7.95299327484898 2001 7.69226376636779 2002 7.36723578643369 2003 7.03068171225434 2004 6.72041492837687 2005 6.45009230085623 2006 6.24435369188054 2007 6.09455461561314 2008 5.97799262432763 2009 5.90425153313593 2010 5.90220484133767 2011 5.96955471144847 2012 6.09600209993144 2013 6.27445632814057 2014 6.48768487618414 2015 6.72229767456941 2016 6.97044790931749 2017 7.19561700342116 2018 7.37556418384363 2019 7.53361941489028 2020 7.66904056800229 2021 7.75071258042293 2022 7.74774801501926 2023 7.82656901593664