Year % of female population 1960 1.08614267942572 1961 1.10457064753598 1962 1.13018549386881 1963 1.1504046317289 1964 1.14881403950593 1965 1.12372416033573 1966 1.08127425386237 1967 1.02214181877897 1968 0.960415600352542 1969 0.916263496380943 1970 0.894457330023863 1971 0.894533907845168 1972 0.916097321389861 1973 0.955094728316571 1974 1.0110884277946 1975 1.07944750984842 1976 1.15949835395176 1977 1.25372637338334 1978 1.35125362212503 1979 1.43235889298433 1980 1.48965034311233 1981 1.5190572564432 1982 1.52070630655852 1983 1.5100210576927 1984 1.50828321038318 1985 1.52073047620525 1986 1.55973397400702 1987 1.61306152573386 1988 1.63490209635429 1989 1.62047810304253 1990 1.5716596797288 1991 1.48974888237776 1992 1.39396665498069 1993 1.30313750458067 1994 1.23113404058707 1995 1.18460618418237 1996 1.18087536009808 1997 1.22869839878511 1998 1.31841537688046 1999 1.43467624740943 2000 1.55818419725157 2001 1.68147089299759 2002 1.79400515135685 2003 1.87934972686617 2004 1.92017394554477 2005 1.90184324222914 2006 1.8270153729971 2007 1.71162905309509 2008 1.58214038829664 2009 1.47843301947494 2010 1.45707537573376 2011 1.54150592914339 2012 1.6999217119625 2013 1.88788276266187 2014 2.05866436739224 2015 2.16420069349704 2016 2.16364654045006 2017 2.04669709276219 2018 1.83861342216001 2019 1.59354006258696 2020 1.39182918180653 2021 1.29342319688006 2022 1.31799997783939 2023 1.44209026261026