Year % of females ages 15 and above 1974 29.3330001831055 1975 29.8641605377197 1976 30.5842399597168 1977 31.019100189209 1978 31.7428207397461 1979 32.503360748291 1980 33.3671989440918 1981 34.2380905151367 1982 35.174388885498 1983 36.2855491638184 1984 37.3574714660645 1985 38.4582214355469 1986 39.6890907287598 1987 40.5951805114746 1988 41.8159790039062 1989 43.0008316040039 1990 45.7060012817383 1991 47.3569297790527 1992 48.3616905212402 1993 48.9275283813477 1994 49.9764289855957 1995 51.973331451416 1996 53.8964614868164 1997 54.7424392700195 1998 56.218578338623 1999 57.6256904602051 2000 58.9154891967773 2001 60.3166007995605 2002 61.0755882263184 2003 63.8926010131836 2004 64.8845977783203 2005 65.1279678344727 2006 66.0652084350586 2007 66.5509262084961 2008 67.51123046875 2009 67.6041793823242 2010 68.6947708129883 2011 69.3978576660156 2012 72.1373672485352 2013 69.8238525390625 2014 73.085823059082 2015 72.0873794555664 2016 73.4915924072266 2017 74.7790069580078 2018 72.0245819091797 2019 72.4945220947266 2020 73.0420074462891 2021 73.4363021850586 2022 73.8940811157227