Year % of female population 1960 3.72124414098285 1961 3.73790248601046 1962 3.68270813234209 1963 3.59734054655308 1964 3.54588168462314 1965 3.55027405614645 1966 3.60885661863129 1967 3.72088039423466 1968 3.84896196390163 1969 3.94152332312709 1970 3.97883969573855 1971 3.9636293716576 1972 3.90182632213365 1973 3.81332150645082 1974 3.71894731356096 1975 3.62604462667464 1976 3.5372417618102 1977 3.44990800971069 1978 3.35569967409581 1979 3.25052928657395 1980 3.13728211796678 1981 3.01471817087998 1982 2.88112308056529 1983 2.7515851027716 1984 2.64960335939267 1985 2.58045267560072 1986 2.54683563165452 1987 2.55282111484231 1988 2.57671289056639 1989 2.58193731974493 1990 2.56074647369621 1991 2.51704758244844 1992 2.45141436454712 1993 2.38788778345204 1994 2.36006464538703 1995 2.37781716093579 1996 2.43466113176818 1997 2.52459454073746 1998 2.63278741649792 1999 2.74258088253517 2000 2.84364142608216 2001 2.92907050683332 2002 2.99084329166685 2003 3.02341658824246 2004 3.00913695308884 2005 3.00594019223976 2006 3.06608067182545 2007 3.15101519582839 2008 3.26598099177271 2009 3.45311881384657 2010 3.66348359949579 2011 3.85408284587858 2012 4.07266852802662 2013 4.32998892673824 2014 4.57971334893946 2015 4.84480385323885 2016 5.09094942717826 2017 5.23992140542269 2018 5.32941852445278 2019 5.42404432664651 2020 5.48830314893294 2021 5.54345590748647 2022 5.66369017230544 2023 5.78926013465371