Year % of female population 1960 2.20272906786982 1961 2.28338348070716 1962 2.3616236988731 1963 2.43561606535058 1964 2.50483654234079 1965 2.56843994180316 1966 2.62631128184577 1967 2.67915360014904 1968 2.72817862101054 1969 2.7753603580544 1970 2.82080789457106 1971 2.86326045127961 1972 2.90361852777193 1973 2.94270691694423 1974 2.97936700470447 1975 3.01340114123577 1976 3.0449781227873 1977 3.07375511005382 1978 3.10032936265241 1979 3.12515121094839 1980 3.14796300097331 1981 3.16919454166766 1982 3.18942432024235 1983 3.20787373411295 1984 3.22466327587831 1985 3.24049590793058 1986 3.25501887144536 1987 3.268680215261 1988 3.28208359236013 1989 3.29899025313435 1990 3.31501098792698 1991 3.32529880323884 1992 3.32271923362413 1993 3.31362894242469 1994 3.30979097148983 1995 3.313456686291 1996 3.32787269090675 1997 3.34260603307294 1998 3.35431317080373 1999 3.36446140486063 2000 3.37235525874127 2001 3.38359568459294 2002 3.39906525351592 2003 3.41513419697897 2004 3.42924377444436 2005 3.44717503140466 2006 3.46866010878296 2007 3.48843528695888 2008 3.55138495883298 2009 3.64365677558798 2010 3.71041443684455 2011 3.75074724380927 2012 3.76585073950198 2013 3.71568319726706 2014 3.61970649490408 2015 3.54197719649647 2016 3.48446261138327 2017 3.44392079306617 2018 3.41884767927549 2019 3.40831073484435 2020 3.39343228149468 2021 3.36941565831749 2022 3.35343621359131 2023 3.35709652590665