Year % of female population 1960 2.67798464294453 1961 2.696385221411 1962 2.70484732493718 1963 2.70851183725654 1964 2.72441533367677 1965 2.74903483102465 1966 2.783106713424 1967 2.82917775962937 1968 2.88226518467258 1969 2.93582115897999 1970 2.99173157908384 1971 3.06781716056046 1972 3.15511005622898 1973 3.22369826231751 1974 3.28863571076266 1975 3.36660698173417 1976 3.44336696424764 1977 3.52217306578711 1978 3.59820700367858 1979 3.66581603752294 1980 3.71674195207791 1981 3.74530882865931 1982 3.76929121252872 1983 3.80070630981465 1984 3.82083219529374 1985 3.83371541543438 1986 3.83679808042417 1987 3.84387330403628 1988 3.86225562575337 1989 3.87632893068583 1990 3.81784500952738 1991 3.63107577517021 1992 3.35146926643904 1993 3.04138767281386 1994 2.84916435587696 1995 2.93780903490262 1996 3.25082386738649 1997 3.62020862957268 1998 3.99245613858196 1999 4.27331214204289 2000 4.3679985982778 2001 4.3573603914435 2002 4.3319285277724 2003 4.29808637275024 2004 4.26884506592811 2005 4.27189871838383 2006 4.29680273126896 2007 4.32153339975329 2008 4.31600363340607 2009 4.27344864888808 2010 4.19322645758227 2011 4.0856902981348 2012 3.99253247105816 2013 3.9450125359632 2014 3.92943961991659 2015 3.88091729484297 2016 3.76372946138003 2017 3.63189493602264 2018 3.56073413082382 2019 3.55149472327067 2020 3.59973883125706 2021 3.78448363072739 2022 4.05251813323882 2023 4.26183277390933