Year % of female population 1960 8.40281958535983 1961 8.46557386414937 1962 8.53128176549251 1963 8.61275805377007 1964 8.72803216350498 1965 8.82293181338195 1966 8.89269024131791 1967 8.93691363118667 1968 8.95508814802142 1969 9.01347792076655 1970 9.04792166540403 1971 9.04501875451202 1972 9.04339354538213 1973 8.98295784459295 1974 8.83556319900148 1975 8.69098605460368 1976 8.58777420630195 1977 8.50058531300954 1978 8.44672941137908 1979 8.41776998179234 1980 8.38376097160725 1981 8.33900852617681 1982 8.2690588035835 1983 8.16336686512137 1984 8.00794914644143 1985 7.78852474310129 1986 7.50002294787923 1987 7.1674728520124 1988 6.82372993410335 1989 6.48561853843093 1990 6.17511023842437 1991 5.88520469538449 1992 5.61454430717757 1993 5.37496112475602 1994 5.17598899109463 1995 5.02199199341724 1996 4.91216438986903 1997 4.83738864650821 1998 4.77313277511924 1999 4.68597686880029 2000 4.58303264381619 2001 4.48397392365129 2002 4.4057314090067 2003 4.36528476854044 2004 4.36827943593571 2005 4.41368622949325 2006 4.48814053806443 2007 4.56284762920489 2008 4.64470958950618 2009 4.73050514248968 2010 4.80053482499854 2011 4.87217966179144 2012 4.95314732882181 2013 5.03863281881016 2014 5.08739775715204 2015 5.08265499542167 2016 5.04694801447239 2017 4.9782634397232 2018 4.85255143597221 2019 4.72409271448984 2020 4.63896009576387 2021 4.54561775991022 2022 4.43482548709374 2023 4.3208747316655