Year % of female population 1960 1.2183761571643905 1961 1.2026457523457643 1962 1.1874623066961687 1963 1.1715567444791448 1964 1.1629967436640958 1965 1.1670844087584453 1966 1.1778149197183045 1967 1.191816577903561 1968 1.2047354864715192 1969 1.21329070972186 1970 1.2226315028854549 1971 1.2362119639402618 1972 1.250462869267577 1973 1.2670126633263858 1974 1.2868874620725999 1975 1.3069020262033462 1976 1.3251396974412715 1977 1.340144427696039 1978 1.3535387924227313 1979 1.3665511719827705 1980 1.3752514474277306 1981 1.378789674815279 1982 1.3827591983122758 1983 1.389697420657832 1984 1.3978929166569813 1985 1.4029903657626874 1986 1.403929522906462 1987 1.4018759619377261 1988 1.3982321446874868 1989 1.3964767286297877 1990 1.4017150372089107 1991 1.4173598693797451 1992 1.4399765661954622 1993 1.4684458413416812 1994 1.5019942494998568 1995 1.535725267555495 1996 1.564585139449912 1997 1.5924968410377587 1998 1.623628984356544 1999 1.6504162671637306 2000 1.6739740771073632 2001 1.6982080850940189 2002 1.7215634193309894 2003 1.7446528937962784 2004 1.7678309988594971 2005 1.7916584745226667 2006 1.8184682087058988 2007 1.8456309908512034 2008 1.866344770701083 2009 1.8789848045556117 2010 1.887262958344554 2011 1.8954544898711312 2012 1.9000715350978867 2013 1.900719712256382 2014 1.9084649184148086 2015 1.9275921450564417 2016 1.9609328763109162 2017 2.0137195938169024 2018 2.0881268906913406 2019 2.1860141896830276 2020 2.305835273851839 2021 2.424961154510299 2022 2.548334600979882 2023 2.681987760368884