Year % of female population 1960 2.42453821274061 1961 2.44182233447052 1962 2.45803249905943 1963 2.47243022464261 1964 2.48302312751423 1965 2.48972603444479 1966 2.49349668163371 1967 2.49450818145124 1968 2.49327986105748 1969 2.49105960991378 1970 2.48834793039901 1971 2.48524185782918 1972 2.48127857546599 1973 2.47609507256918 1974 2.47053695914148 1975 2.46520394022477 1976 2.45957972273261 1977 2.4539806453103 1978 2.44889829034412 1979 2.44438674291447 1980 2.44069098397018 1981 2.43729290276614 1982 2.43388483158169 1983 2.43080625752106 1984 2.4277102759725 1985 2.42362566212056 1986 2.41929930178984 1987 2.41564322010944 1988 2.41180596105844 1989 2.40985899728564 1990 2.40548663986652 1991 2.39671548667771 1992 2.38039579819489 1993 2.36170965366093 1994 2.34642715123014 1995 2.34507989907485 1996 2.35851934419526 1997 2.36830744139193 1998 2.37641032729489 1999 2.38868962438386 2000 2.39711069486733 2001 2.40319358095157 2002 2.41133446475057 2003 2.40859635111448 2004 2.37080559974955 2005 2.31241876753887 2006 2.26045776410613 2007 2.21354767956507 2008 2.17620669271965 2009 2.16979110380905 2010 2.18682387582513 2011 2.20559149486541 2012 2.22767803066623 2013 2.25651194147047 2014 2.28989966684331 2015 2.3219647542609 2016 2.3524947415831 2017 2.38149311643728 2018 2.40886170011175 2019 2.43503092616805 2020 2.45905655270447 2021 2.48141287032768 2022 2.50479210206919 2023 2.53140040088408