Year % of female population 1960 2.45455273484424 1961 2.45476421138161 1962 2.45320249586689 1963 2.45393305159647 1964 2.46022669697014 1965 2.47436783392331 1966 2.4953636925613 1967 2.52336386077347 1968 2.5580228899731 1969 2.5989847715736 1970 2.64707521408801 1971 2.66705337127872 1972 2.65174252321599 1973 2.6312325066253 1974 2.60983132797955 1975 2.58890086206896 1976 2.57444314185229 1977 2.5655595504488 1978 2.55689950463105 1979 2.54981907378887 1980 2.54130868814989 1981 2.53312990409764 1982 2.52744339864771 1983 2.52185144268261 1984 2.51767667854916 1985 2.51609482693327 1986 2.51592345036749 1987 2.51502470808381 1988 2.51401142825841 1989 2.5140109434588 1990 2.51238033414851 1991 2.50820228885143 1992 2.50587101005552 1993 2.51006018513087 1994 2.52158737298824 1995 2.54321615540679 1996 2.57368436594801 1997 2.60531760298257 1998 2.63613208313038 1999 2.66505013790702 2000 2.68081420528367 2001 2.6849574799602 2002 2.68371836301883 2003 2.67353012864519 2004 2.65536204915849 2005 2.63475711499644 2006 2.61589970021806 2007 2.61262967919613 2008 2.63703756788177 2009 2.67796715649286 2010 2.73285770155182 2011 2.80196439351572 2012 2.87073307218802 2013 2.93130958098264 2014 2.99434253385908 2015 3.06243346986112 2016 3.12986316727747 2017 3.20001526239394 2018 3.27389819987585 2019 3.35614404082894 2020 3.45480611748205 2021 3.55752634201651 2022 3.64785127535111 2023 3.72511567290255