Year % of female population 1960 1.24440813398559 1961 1.258877648519 1962 1.28306684269718 1963 1.31448460925195 1964 1.346892567901 1965 1.37095918937941 1966 1.36903272979161 1967 1.33782159172878 1968 1.29172084958821 1969 1.24043589149084 1970 1.21694609559087 1971 1.24086880296094 1972 1.29308235201989 1973 1.35613903869622 1974 1.4172604908947 1975 1.47717544942366 1976 1.53003494647882 1977 1.5623740020966 1978 1.58303040149469 1979 1.61103775805775 1980 1.64224928396283 1981 1.66440496751378 1982 1.67519493177388 1983 1.67756752708573 1984 1.6696528775916 1985 1.65537043186124 1986 1.64985267430289 1987 1.64638932496075 1988 1.64025411550164 1989 1.63649094728419 1990 1.63318601848132 1991 1.63312190980373 1992 1.63678723740325 1993 1.64288506645817 1994 1.65878614060925 1995 1.68482598786387 1996 1.70733571551411 1997 1.71953525047263 1998 1.72948247835784 1999 1.7428517682468 2000 1.75760583558847 2001 1.7921113515934 2002 1.86883688881026 2003 1.96032975083226 2004 2.03880544786496 2005 2.11603908222637 2006 2.18576751794965 2007 2.23476297968397 2008 2.2633689479775 2009 2.28338175790093 2010 2.2991660321901 2011 2.30088961877245 2012 2.29708102842431 2013 2.29122701236057 2014 2.27024536736853 2015 2.23461798512509 2016 2.17891924935311 2017 2.10079848603065 2018 2.01325157413885 2019 1.93417754590508 2020 1.87783922975391 2021 1.85531737171404 2022 1.86553777713999 2023 1.9036306766441