Year % of female population 1960 3.59311249721244 1961 3.68162369094413 1962 3.77268498874876 1963 3.85069275122193 1964 3.91984083414831 1965 3.99260888756093 1966 4.05995359172194 1967 4.12844371519896 1968 4.1974318688505 1969 4.2616073221859 1970 4.32843879454228 1971 4.40110365965428 1972 4.47747848969109 1973 4.56540340504158 1974 4.66217942834082 1975 4.77336577310041 1976 4.88196861127256 1977 4.99316101255206 1978 5.12000552970124 1979 5.2332901811782 1980 5.33897219597423 1981 5.45618931225183 1982 5.58127683342678 1983 5.70080166717903 1984 5.82266075246304 1985 5.95802881332274 1986 6.1021589409744 1987 6.25575426273279 1988 6.42261267875314 1989 6.61251246539642 1990 6.8231873745188 1991 7.05753540242671 1992 7.3156207804981 1993 7.57548831650739 1994 7.82621519134676 1995 8.06187334792942 1996 8.27976978736389 1997 8.49276322992955 1998 8.69451554175309 1999 8.88391647888055 2000 9.08830274115847 2001 9.29829889185888 2002 9.50246355430845 2003 9.70014567380365 2004 9.89103198594099 2005 10.0832239035721 2006 10.2724505219944 2007 10.4482987632972 2008 10.6275246056803 2009 10.8251421034728 2010 11.0240276893567 2011 11.2368818005244 2012 11.4734398841012 2013 11.7377991670487 2014 12.0198827152532 2015 12.3165018098269 2016 12.61839336269 2017 12.881077707594 2018 13.1154433254543 2019 13.3540423032175 2020 13.6189994236838 2021 13.9054016520198 2022 14.2574299038327 2023 14.7109373988634