Year % of female population 1960 1.76392017771917 1961 1.73737699372567 1962 1.71939903151813 1963 1.70681660373325 1964 1.69508570512649 1965 1.682049283128 1966 1.6691545647745 1967 1.6559750590636 1968 1.64269905792723 1969 1.63098262279729 1970 1.61977709997248 1971 1.61161420908373 1972 1.60708863789433 1973 1.59996588885597 1974 1.58233648685417 1975 1.55267557798106 1976 1.51292476024762 1977 1.46294919445967 1978 1.40914478085778 1979 1.36562715475139 1980 1.3394449070301 1981 1.31857696258813 1982 1.30763623775247 1983 1.31505417453604 1984 1.33705093049832 1985 1.37050914886581 1986 1.4167197948403 1987 1.47785260799476 1988 1.54256387744121 1989 1.59351525580621 1990 1.61386201432837 1991 1.61618509273532 1992 1.61558964038241 1993 1.62221685897763 1994 1.63628164002639 1995 1.65055336529758 1996 1.67337845569392 1997 1.70345483744628 1998 1.73690949114801 1999 1.768520792126 2000 1.79388074749578 2001 1.81593748161873 2002 1.84616669444193 2003 1.87475119597444 2004 1.88941290431117 2005 1.8979128962203 2006 1.902337942823 2007 1.90518905555329 2008 1.91164621258182 2009 1.92981055692714 2010 1.9639213100579 2011 2.01537898311074 2012 2.08141952861507 2013 2.1542438743427 2014 2.25436414673164 2015 2.37693164130721 2016 2.50451258433066 2017 2.63826382580725 2018 2.77408436477023 2019 2.88807327309227 2020 2.97771014659761 2021 3.06604695907222 2022 3.15926113430458 2023 3.26590744434058