Year % of female population 1960 2.5378394510451 1961 2.54359473283366 1962 2.54482264769347 1963 2.53943418022332 1964 2.52777470791656 1965 2.51075203722725 1966 2.48265577968232 1967 2.44041236943509 1968 2.38708216090837 1969 2.32550191518012 1970 2.26838974340744 1971 2.23313576900079 1972 2.21741188270914 1973 2.2093639234376 1974 2.21126433286004 1975 2.22077308011579 1976 2.22432776572749 1977 2.22291704928983 1978 2.22487819594841 1979 2.2318493266754 1980 2.2444539010331 1981 2.26221698590104 1982 2.28123429115379 1983 2.30049517643734 1984 2.32324494212286 1985 2.35002593716411 1986 2.38063445065712 1987 2.4139619226885 1988 2.44776800149015 1989 2.48062718887265 1990 2.51207231702851 1991 2.54219978949508 1992 2.57047397742459 1993 2.59598702251836 1994 2.6191397160649 1995 2.64269103125696 1996 2.66778102046348 1997 2.69457865035956 1998 2.72379813828472 1999 2.75493163107497 2000 2.78479048436419 2001 2.80952074755307 2002 2.83368067630363 2003 2.85697963373113 2004 2.87410605495927 2005 2.89716851272902 2006 2.9431205361224 2007 3.00909515128896 2008 3.09664746712554 2009 3.21785179346764 2010 3.34308357520933 2011 3.42669550166896 2012 3.43785840566354 2013 3.5516576651052 2014 3.71452251252891 2015 3.79549669650039 2016 3.89696390728946 2017 4.037405001554 2018 4.04782682643817 2019 3.97515461681378 2020 3.98625544066796 2021 4.0232420635936 2022 4.08991218554797 2023 4.22983505968551