Year % of female population 1960 5.11551155115512 1961 5.01226309921962 1962 4.91074865545571 1963 4.80534288972145 1964 4.69543011041128 1965 4.58139880005936 1966 4.46135966244019 1967 4.33387834509593 1968 4.19719981987145 1969 4.05252181659884 1970 3.89720983820067 1971 3.72472930457825 1972 3.53234124640762 1973 3.33326822408001 1974 3.15427130805779 1975 3.03004018851013 1976 3.00705737956428 1977 3.10662747194014 1978 3.28222579204015 1979 3.58635592497465 1980 3.98543872919818 1981 4.40114354498947 1982 4.80557525096093 1983 5.15679700668679 1984 5.43462260331947 1985 5.66557209106625 1986 5.91945966611444 1987 6.18199622805745 1988 6.43470402169001 1989 6.64125164476649 1990 6.77678073693107 1991 6.90738115320424 1992 7.0745766352798 1993 7.23351839620115 1994 7.36365741978014 1995 7.44945899772209 1996 7.47564610115209 1997 7.43392462776947 1998 7.32536354714961 1999 7.17925793473402 2000 7.04347748183586 2001 6.95684957944722 2002 6.93417525680465 2003 6.98702963237086 2004 7.10896604280258 2005 7.2631713414968 2006 7.40305522914219 2007 7.50420183587906 2008 7.55594330954215 2009 7.55594927265946 2010 7.54110346637671 2011 7.55572737902161 2012 7.60197306014039 2013 7.65120140466057 2014 7.68522603041869 2015 7.65158296995774 2016 7.50328794677394 2017 7.27643262652239 2018 7.02875088722302 2019 6.80373576665107 2020 6.6652343330371 2021 6.69757252117442 2022 6.87874244161546 2023 7.12163262103932