Year % of female population 1960 1.69176150442877 1961 1.71631424602562 1962 1.7258765624933 1963 1.73123522027268 1964 1.73222473112613 1965 1.72743965388162 1966 1.71839335774139 1967 1.70581405733679 1968 1.69231770174437 1969 1.68145972182739 1970 1.6730647830612 1971 1.67485678422156 1972 1.68892251019603 1973 1.70532414473983 1974 1.7176875655193 1975 1.7258064516129 1976 1.7312613118642 1977 1.73375662680311 1978 1.73056013254836 1979 1.72225416040862 1980 1.7053955211475 1981 1.68406752665757 1982 1.66279924310374 1983 1.63807846075532 1984 1.61190889604036 1985 1.58445089712818 1986 1.55728494965876 1987 1.53231215692716 1988 1.51125384515402 1989 1.49397087505919 1990 1.47341043049278 1991 1.45139789548594 1992 1.4334921622827 1993 1.42253320146239 1994 1.42271197110845 1995 1.43350064945589 1996 1.4528117640301 1997 1.48055714815689 1998 1.51379388538229 1999 1.5479275030581 2000 1.60902718123296 2001 1.69591181677038 2002 1.77834167469118 2003 1.85042578789655 2004 1.91167109557345 2005 1.96315336760617 2006 2.00444154768721 2007 2.03465149281709 2008 2.05026326337623 2009 2.03830311265871 2010 1.96240319855667 2011 1.83649009559941 2012 1.70471921174917 2013 1.57840596114636 2014 1.46899100491304 2015 1.38311788935778 2016 1.31814764536323 2017 1.270904423339 2018 1.24618404027633 2019 1.25286151639683 2020 1.29483261919801 2021 1.37745893250739 2022 1.50550397499992 2023 1.67039545038558