Year % of female population 1960 1.31646369631819 1961 1.33346535767872 1962 1.35444511082292 1963 1.37735492672913 1964 1.39978698428395 1965 1.42143389238053 1966 1.44725000929679 1967 1.47937582759393 1968 1.5155117104139 1969 1.55383446157725 1970 1.59074947084857 1971 1.62419204595897 1972 1.65322528255649 1973 1.67647173528117 1974 1.69521725595763 1975 1.72768684217075 1976 1.78038217013251 1977 1.8319705316116 1978 1.87039031117016 1979 1.89597824859572 1980 1.89711185766846 1981 1.87645908146763 1982 1.85691621562808 1983 1.84527583458063 1984 1.84016553272082 1985 1.84045087270711 1986 1.84430803010409 1987 1.85065426239428 1988 1.86041852071693 1989 1.87478224065415 1990 1.89242562658474 1991 1.90876694306261 1992 1.92046615652611 1993 1.93193013380703 1994 1.9495927919199 1995 1.97717023399928 1996 2.01484752788806 1997 2.0560722810584 1998 2.09542945026954 1999 2.13136803256371 2000 2.15523470412745 2001 2.15949983504902 2002 2.15232225631781 2003 2.14399459764907 2004 2.13714862486419 2005 2.137395993713 2006 2.15255783102371 2007 2.1897367675193 2008 2.25975083637092 2009 2.35856770940296 2010 2.45636197486558 2011 2.53767507765988 2012 2.61279960180438 2013 2.68969266760278 2014 2.77550745445267 2015 2.86625086723226 2016 2.94751643695611 2017 3.01865572874595 2018 3.08412093160834 2019 3.14418952433977 2020 3.19934554642705 2021 3.24857639722836 2022 3.29713584615933 2023 3.34999612813661