Year % of female population 1960 3.71511727443931 1961 3.69898352920424 1962 3.6341244673684 1963 3.56840485296387 1964 3.49647514766273 1965 3.41744619482556 1966 3.33376736775992 1967 3.24677741061594 1968 3.1583665266643 1969 3.07197181071909 1970 2.98374025353602 1971 2.90470976270915 1972 2.84699381660308 1973 2.80107041485071 1974 2.75894348429621 1975 2.72043010752688 1976 2.68988329276665 1977 2.6679817531747 1978 2.65614482857343 1979 2.65531740704734 1980 2.6564986107483 1981 2.67893217470737 1982 2.72899294605089 1983 2.78713559331728 1984 2.84996804461311 1985 2.91405808534327 1986 2.97757753214477 1987 3.03724693031087 1988 3.08478835405745 1989 3.11154750661505 1990 3.08686987814156 1991 3.00851139536862 1992 2.90352086236308 1993 2.78134518203603 1994 2.64695069645848 1995 2.5038697236113 1996 2.35992877247401 1997 2.21892460063179 1998 2.08421854463556 1999 1.96128347460644 2000 1.86609822574316 2001 1.79969617964738 2002 1.75313162538693 2003 1.73154425477416 2004 1.74333895787655 2005 1.79672341021384 2006 1.90162427517785 2007 2.06527136864957 2008 2.28200508236466 2009 2.53378834847262 2010 2.77408282304734 2011 2.97877561035456 2012 3.1591941462978 2013 3.31387824778872 2014 3.44933156444535 2015 3.57834004230798 2016 3.7025358174867 2017 3.81711512795321 2018 3.92488763272052 2019 4.03060098739554 2020 4.12485703067652 2021 4.19378138950303 2022 4.23334976310945 2023 4.24500019100674