Year % of female population 1960 2.69870068442621 1961 2.68033802400192 1962 2.64692300448283 1963 2.60628367027263 1964 2.56945346642314 1965 2.54021186352279 1966 2.5165435947884 1967 2.49775242773684 1968 2.48127603613284 1969 2.46416297323881 1970 2.446288166508 1971 2.42993882097215 1972 2.41583327428188 1973 2.40139853637553 1974 2.38401237472867 1975 2.3645901485613 1976 2.31231568094865 1977 2.22145411294915 1978 2.12323649739681 1979 2.02705214490353 1980 1.93764222395816 1981 1.85537723909617 1982 1.78101130999161 1983 1.71087143783533 1984 1.63684394915018 1985 1.55402374508409 1986 1.46227237040213 1987 1.36313355663482 1988 1.2749644421959 1989 1.23051886388435 1990 1.2175930268636 1991 1.20835132827099 1992 1.2006478763583 1993 1.19239212582601 1994 1.18343382811589 1995 1.1745232638845 1996 1.16593033379624 1997 1.15917183864477 1998 1.15567315652967 1999 1.15435888315062 2000 1.15495158933627 2001 1.16079739778896 2002 1.17105237261115 2003 1.1838444975265 2004 1.20068744591196 2005 1.22106967898846 2006 1.24417621633147 2007 1.26786832669186 2008 1.28925810706463 2009 1.32721437983383 2010 1.38584446869934 2011 1.4495963887166 2012 1.51875005515278 2013 1.5925209824906 2014 1.65698158867579 2015 1.70077960452951 2016 1.73083379143656 2017 1.75705030006776 2018 1.78016392695571 2019 1.79815611649441 2020 1.80597467558238 2021 1.80644038294169 2022 1.79875526329274 2023 1.78143955129603