Year % of female population 1960 1.70133398403761 1961 1.63986754297734 1962 1.55944479558851 1963 1.46884086772797 1964 1.38393891223455 1965 1.31467630962274 1966 1.2613364093096 1967 1.22187654624422 1968 1.19362839068341 1969 1.17347921616362 1970 1.15781392952163 1971 1.14590664952436 1972 1.13881478927511 1973 1.13455052940089 1974 1.12844088131412 1975 1.11755969679817 1976 1.10184301003189 1977 1.08040651873725 1978 1.0552731197481 1979 1.03262266590446 1980 1.01616286357193 1981 1.00683312974412 1982 1.00381645399995 1983 1.00621971882435 1984 1.01424361493124 1985 1.02684720538919 1986 1.04384245080325 1987 1.06607988527299 1988 1.09134925318485 1989 1.11443999939343 1990 1.12924296241288 1991 1.13467908558563 1992 1.13231964634753 1993 1.12467653958449 1994 1.11821180177903 1995 1.11848568449468 1996 1.12705965558157 1997 1.14360532748678 1998 1.16710334091932 1999 1.19572416970091 2000 1.22989813064698 2001 1.26997366154737 2002 1.31280167175953 2003 1.35366877704621 2004 1.38772573749194 2005 1.41047580964705 2006 1.41997861404326 2007 1.41837746843763 2008 1.41044637334764 2009 1.40126997686118 2010 1.3953836480864 2011 1.39671715403344 2012 1.40874788325701 2013 1.36810138676787 2014 1.28356833511441 2015 1.26461178425021 2016 1.2999488261026 2017 1.34047691428631 2018 1.39006622424289 2019 1.45298176442555 2020 1.52467317801731 2021 1.60059670763878 2022 1.68354996967707 2023 1.77253583074101