Year % of female population 1960 1.72743644687949 1961 1.76925353143089 1962 1.8085333960632 1963 1.84789026683697 1964 1.89586232513131 1965 1.95123016573846 1966 2.00334762098773 1967 2.05488439729345 1968 2.11625470961442 1969 2.18744339944089 1970 2.26076088932764 1971 2.33091086529324 1972 2.38995418970652 1973 2.43820390166004 1974 2.50101429678226 1975 2.5919404582685 1976 2.68314879339686 1977 2.76513265430298 1978 2.85483652174706 1979 2.93036881667017 1980 2.99436335186419 1981 3.05220458303715 1982 3.1315598841949 1983 3.21036154175074 1984 3.26170531797466 1985 3.33219697224249 1986 3.39805733323218 1987 3.4615958513133 1988 3.53371123687649 1989 3.59829456385935 1990 3.66739378904116 1991 3.74726551239381 1992 3.82948533085612 1993 3.8881757998487 1994 3.92670876733282 1995 3.95511837380518 1996 3.97519006995266 1997 3.98513327080673 1998 3.97863473665221 1999 3.99072968769564 2000 4.0291834775414 2001 4.06340479827632 2002 4.07857850830402 2003 4.13799080663745 2004 4.20701170539251 2005 4.22292310169416 2006 4.259730848961 2007 4.31480762256194 2008 4.34011444956431 2009 4.38214202920013 2010 4.42821253105159 2011 4.43600745472911 2012 4.42620760533149 2013 4.40923358949144 2014 4.39605115187728 2015 4.38026843869092 2016 4.36691074754713 2017 4.351277521495 2018 4.33968912042921 2019 4.34252787394925 2020 4.37960266982423 2021 4.46688872001313 2022 4.58958960243971 2023 4.74332185988615