Year % of female population 1960 2.31368978489627 1961 2.31519200074949 1962 2.32084822898838 1963 2.33214438380838 1964 2.35034786937493 1965 2.37571379462321 1966 2.40518119598093 1967 2.43410427273326 1968 2.46016965557056 1969 2.48203052192814 1970 2.49700670535307 1971 2.50485124416253 1972 2.50911127616801 1973 2.51337959198686 1974 2.52085446669472 1975 2.53534240643988 1976 2.56077302242417 1977 2.59918950177839 1978 2.64911465477732 1979 2.70612081471727 1980 2.76459385142849 1981 2.82138173450503 1982 2.87549676092327 1983 2.92517379841783 1984 2.9689004731107 1985 3.0062762140792 1986 3.03849810847559 1987 3.06511979665486 1988 3.0839981837804 1989 3.09562373880415 1990 3.10294297463259 1991 3.11122509880599 1992 3.12353115234346 1993 3.14244907761389 1994 3.17063398929995 1995 3.20461431921957 1996 3.24030268339563 1997 3.27622522732717 1998 3.30927621597932 1999 3.34033957267814 2000 3.37451558821982 2001 3.42041532990763 2002 3.48710565467744 2003 3.58104533992042 2004 3.71222283817827 2005 3.86983655851851 2006 4.02900851395956 2007 4.17949393578322 2008 4.31785934783881 2009 4.43523272627481 2010 4.53999828773776 2011 4.648408827859 2012 4.76302667546272 2013 4.88415095309686 2014 5.00778677478504 2015 5.13093670511455 2016 5.25386772258 2017 5.37314020197399 2018 5.48344673936817 2019 5.58069857568305 2020 5.65721577163319 2021 5.70648916954187 2022 5.73299643875413 2023 5.74637322179381