Year % of female population 1960 1.85888030024934 1961 1.86725426222939 1962 1.86905493186109 1963 1.8674120631901 1964 1.8675702788197 1965 1.87195981784198 1966 1.88063927349126 1967 1.89422665792667 1968 1.91174802219081 1969 1.93073741861346 1970 1.9493814909829 1971 1.96819834228023 1972 1.98662626311325 1973 2.00285119747828 1974 2.01527954777754 1975 2.02362047696591 1976 2.02836513985441 1977 2.02797209714072 1978 2.0233785370373 1979 2.01824649221124 1980 2.01405451902194 1981 2.01014736109738 1982 2.00656551430534 1983 2.00359291268382 1984 2.00107744002068 1985 1.99888572700062 1986 1.99743393742878 1987 1.99743908247734 1988 1.99887224810423 1989 2.00081867685005 1990 2.00325094388781 1991 2.00673049509614 1992 2.00852000266143 1993 2.00829634354603 1994 2.0087690248813 1995 2.00975610247917 1996 2.01157935183447 1997 2.01477935941814 1998 2.01493780169604 1999 2.00619093707353 2000 1.98498186769484 2001 1.9544030603384 2002 1.91706152309344 2003 1.86967448905498 2004 1.81298546056609 2005 1.75582234212953 2006 1.70366543739466 2007 1.66094544733693 2008 1.64046414669214 2009 1.65372400867402 2010 1.70392699463453 2011 1.78797458759624 2012 1.89678944988884 2013 1.99936542924067 2014 2.06512708527344 2015 2.09652378529693 2016 2.10986051552229 2017 2.11549681047495 2018 2.13201239172514 2019 2.17572415631241 2020 2.23140293176705 2021 2.27945906560939 2022 2.31951450958404 2023 2.35760975243698