Year % of female population 1960 1.2018764716828538 1961 1.2280189554172065 1962 1.252005258884359 1963 1.2962242346247388 1964 1.3403412475919796 1965 1.3531851215154551 1966 1.3579786764283375 1967 1.3544081519152578 1968 1.3391357141491094 1969 1.3254454943072722 1970 1.3288089313321714 1971 1.3562949748893791 1972 1.3996121395000196 1973 1.439677074405178 1974 1.4944313268187186 1975 1.557681976385148 1976 1.6222759567684937 1977 1.6929575518769866 1978 1.767815549717426 1979 1.8192430990439565 1980 1.846914247751769 1981 1.873334215551874 1982 1.888879193874912 1983 1.8939216700069539 1984 1.9059571873126226 1985 1.9269114052610685 1986 1.9528728974624694 1987 1.997497603225015 1988 2.027135286090944 1989 2.0277443690408767 1990 1.9818732292191727 1991 1.8681125797145712 1992 1.7168917765191967 1993 1.5950497597416373 1994 1.5284750163320182 1995 1.5071626462019507 1996 1.5541346564749843 1997 1.6586326232699482 1998 1.7805580561020247 1999 1.906273416417491 2000 2.0364907160114463 2001 2.154643226660299 2002 2.2524945313024283 2003 2.332646126411226 2004 2.382365034195751 2005 2.4061706647994345 2006 2.394850016980563 2007 2.3439917697254673 2008 2.2567725208566154 2009 2.1657647949658694 2010 2.1231660457488193 2011 2.153793166306401 2012 2.2629327946176114 2013 2.4098315953039102 2014 2.537981050622737 2015 2.601568433188376 2016 2.5915060869366444 2017 2.493623108173145 2018 2.3203749382671583 2019 2.144023773728957 2020 1.9956001792128488 2021 1.9085400425592536 2022 1.924711131554683 2023 2.057822327599628