Year % of female population 1960 2.6784870022609 1961 2.66482983094565 1962 2.62682566171854 1963 2.5778203680675 1964 2.53679017339034 1965 2.50981981069431 1966 2.49492325650019 1967 2.49156129642 1968 2.49278839624182 1969 2.48934139986519 1970 2.47781139762013 1971 2.45959456073016 1972 2.43399241969805 1973 2.4042635266787 1974 2.37661001277816 1975 2.35368036748776 1976 2.33549834088856 1977 2.3210417910573 1978 2.30906471577915 1979 2.29548757152155 1980 2.30900413708803 1981 2.32629223466786 1982 2.28349515060928 1983 2.23795678639994 1984 2.23566710742554 1985 2.23176934818635 1986 2.19713294778949 1987 2.14969276800809 1988 2.10032180826074 1989 2.05233049187179 1990 2.01255175522891 1991 1.96469789234365 1992 1.91303635752682 1993 1.8800960380764 1994 1.84646143585461 1995 1.79297219832443 1996 1.74035986457528 1997 1.69730646032531 1998 1.65527443674904 1999 1.61294001667024 2000 1.57145955360827 2001 1.53113449161257 2002 1.49148184008771 2003 1.45256256152087 2004 1.41644595619919 2005 1.3870329117803 2006 1.36243745683872 2007 1.33848514005612 2008 1.31466220810585 2009 1.2810618653791 2010 1.2700678716549 2011 1.29084414528807 2012 1.31409809490557 2013 1.33906272514011 2014 1.37305475609845 2015 1.39530125077478 2016 1.39826251948153 2017 1.40389099404416 2018 1.41249494519712 2019 1.42453153892085 2020 1.43737395451156 2021 1.44871385812176 2022 1.46105057456615 2023 1.47629576661867